Raspberry pi Archieven - Pagina 2 van 12 - DomoticX Knowledge Center

Raspberry Pi – Display image on screen

Door Sebastiaan Geplaatst op 2020-06-14 Geplaatst in Diverse onderwerpen (Raspberry Pi) Getagd met Display, FEH, image, PyGame, Raspberry pi

feh is an X11 image viewer aimed mostly at console users. Unlike most other viewers, it does not have a fancy GUI, but simply displays images. It is controlled via commandline arguments and configurable key/mouse actions. Install sudo apt-get install -y feh

Pakketlijsten worden ingelezen... Klaar
Boom van vereisten wordt opgebouwd
De statusinformatie wordt gelezen... Klaar
De volgende extra pakketten zullen geïnstalleerd worden:
  libjpeg-progs libjpeg9 yudit-common
Voorgestelde pakketten:
  yudit-doc yudit
De volgende NIEUWE pakketten zullen geïnstalleerd worden:
  feh libjpeg-progs libjpeg9 yudit-common
0 opgewaardeerd, 4 nieuw geïnstalleerd, 0 te verwijderen en 172 niet opgewaardeerd.
Er moeten 1959 kB aan archieven opgehaald worden.
Na deze bewerking zal er 10,1 MB extra schijfruimte gebruikt worden.
Ophalen:1 http://mirror.transip.net/raspbian/raspbian buster/main armhf yudit-common all 2.9.6-8 [1633 kB]
Ophalen:2 http://mirror.transip.net/raspbian/raspbian buster/main armhf feh armhf 3.1.3-1 [138 kB]
Ophalen:3 http://mirror.transip.net/raspbian/raspbian buster/main armhf libjpeg9 armhf 1:9b-1 [111 kB]
Ophalen:4 http://mirror.transip.net/raspbian/raspbian buster/main armhf libjpeg-progs armhf 1:9b-1 [77,0 kB]
1959 kB opgehaald in 1s (2116 kB/s)
Voorheen niet geselecteerd pakket yudit-common wordt geselecteerd.
(Database wordt ingelezen ... 154021 bestanden en mappen momenteel geïnstalleerd.)
Uitpakken van .../yudit-common_2.9.6-8_all.deb wordt voorbereid...
Bezig met uitpakken van yudit-common (2.9.6-8) ...
Voorheen niet geselecteerd pakket feh wordt geselecteerd.
Uitpakken van .../archives/feh_3.1.3-1_armhf.deb wordt voorbereid...
Bezig met uitpakken van feh (3.1.3-1) ...
Voorheen niet geselecteerd pakket libjpeg9:armhf wordt geselecteerd.
Uitpakken van .../libjpeg9_1%3a9b-1_armhf.deb wordt voorbereid...
Bezig met uitpakken van libjpeg9:armhf (1:9b-1) ...
Voorheen niet geselecteerd pakket libjpeg-progs wordt geselecteerd.
Uitpakken van .../libjpeg-progs_1%3a9b-1_armhf.deb wordt voorbereid...
Bezig met uitpakken van libjpeg-progs (1:9b-1) ...
Instellen van libjpeg9:armhf (1:9b-1) ...
Instellen van libjpeg-progs (1:9b-1) ...
Instellen van yudit-common (2.9.6-8) ...
Instellen van feh (3.1.3-1) ...
Bezig met afhandelen van triggers voor mime-support (3.62) ...
Bezig met afhandelen van triggers voor hicolor-icon-theme (0.17-2) ...
Bezig met afhandelen van triggers voor gnome-menus (3.31.4-3) ...
Bezig met afhandelen van triggers voor man-db (2.8.5-2) ...
Bezig met afhandelen van triggers voor desktop-file-utils (0.23-4) ...

Pakketlijsten worden ingelezen... Klaar

Boom van vereisten wordt opgebouwd

De statusinformatie wordt gelezen... Klaar

De volgende extra pakketten zullen geïnstalleerd worden:

libjpeg-progs libjpeg9 yudit-common

Voorgestelde pakketten:

yudit-doc yudit

De volgende NIEUWE pakketten zullen geïnstalleerd worden:

feh libjpeg-progs libjpeg9 yudit-common

0 opgewaardeerd, 4 nieuw geïnstalleerd, 0 te verwijderen en 172 niet opgewaardeerd.

Er moeten 1959 kB aan archieven opgehaald worden.

Na deze bewerking zal er 10,1 MB extra schijfruimte gebruikt worden.

Ophalen:1 http://mirror.transip.net/raspbian/raspbian buster/main armhf yudit-common all 2.9.6-8 [1633 kB]

Ophalen:2 http://mirror.transip.net/raspbian/raspbian buster/main armhf feh armhf 3.1.3-1 [138 kB]

Ophalen:3 http://mirror.transip.net/raspbian/raspbian buster/main armhf libjpeg9 armhf 1:9b-1 [111 kB]

Ophalen:4 http://mirror.transip.net/raspbian/raspbian buster/main armhf libjpeg-progs armhf 1:9b-1 [77,0 kB]

1959 kB opgehaald in 1s (2116 kB/s)

Voorheen niet geselecteerd pakket yudit-common wordt geselecteerd.

(Database wordt ingelezen ... 154021 bestanden en mappen momenteel geïnstalleerd.)

Uitpakken van .../yudit-common_2.9.6-8_all.deb wordt voorbereid...

Bezig met uitpakken van yudit-common (2.9.6-8) ...

Voorheen niet geselecteerd pakket feh wordt geselecteerd.

Uitpakken van .../archives/feh_3.1.3-1_armhf.deb wordt voorbereid...

Bezig met uitpakken van feh (3.1.3-1) ...

Voorheen niet geselecteerd pakket libjpeg9:armhf wordt geselecteerd.

Uitpakken van .../libjpeg9_1%3a9b-1_armhf.deb wordt voorbereid...

Bezig met uitpakken van libjpeg9:armhf (1:9b-1) ...

Voorheen niet geselecteerd pakket libjpeg-progs wordt geselecteerd.

Uitpakken van .../libjpeg-progs_1%3a9b-1_armhf.deb wordt voorbereid...

Bezig met uitpakken van libjpeg-progs (1:9b-1) ...

Instellen van libjpeg9:armhf (1:9b-1) ...

Instellen van libjpeg-progs (1:9b-1) ...

Instellen van yudit-common (2.9.6-8) ...

Instellen van feh (3.1.3-1) ...

Bezig met afhandelen van triggers voor mime-support (3.62) ...

Bezig met afhandelen van triggers voor hicolor-icon-theme (0.17-2) ...

Bezig met afhandelen van triggers voor gnome-menus (3.31.4-3) ...

Bezig met afhandelen van triggers voor man-db (2.8.5-2) ...

Bezig met afhandelen van triggers voor desktop-file-utils (0.23-4) ...

Examples …

Raspberry Pi – Display image on screen Lees meer »

Raspberry Pi – VNC – Teamviewer

Door Sebastiaan Geplaatst op 2020-06-14 Geplaatst in Raspberry Pi / Linux – Software Getagd met Raspberry pi, Teamviewer, VNC

Source: https://pimylifeup.com/raspberry-pi-teamviewer/ Step 1 As we are already using the command line, we can do that by running the following command. This command will use wget to download the .deb file from TeamViewer’s server. A .deb file is a package file designed for the Debian systems …

Raspberry Pi – VNC – Teamviewer Lees meer »

Node-RED – Example – Add flow from commandline

Door Sebastiaan Geplaatst op 2020-04-30 Geplaatst in Node-RED Getagd met Modbus, Node-RED, Raspberry pi, RS485, RTU

It is possible to add a flow in Node-red from the commandline using CURL and POST commands: https://nodered.org/docs/api/admin/methods/post/flow/ Append flow from plain commandline use this commandline with JSON object to import a flow into Node-red:

curl -X POST http://localhost:1880/flow -H 'content-type: application/json' -d '{"id": "91ad451.f6e52b8", "label": "Sheet 1", "nodes": [ ], "configs": [ ]}'

1	curl -X POST http://localhost:1880/flow -H 'content-type: application/json' -d '{"id": "91ad451.f6e52b8", "label": "Sheet 1", "nodes": [ ], "configs": [ ]}'

you will recieve an …

Node-RED – Example – Add flow from commandline Lees meer »

Node-RED – Voorbeeld – Modbus uitlezen en visualiseren (multisensor)

Door Sebastiaan Geplaatst op 2020-04-30 Geplaatst in Modbus Software, Node-RED Getagd met Modbus, Node-RED, Raspberry pi, RS485, RTU

Voorbeelden voor het uitlezen van onze multisensors op node-red Multisensor HW v1.10

var temp1 = parseFloat(msg.payload[0] + "." + msg.payload[1]);
var temp2 = parseFloat(msg.payload[2] + "." + msg.payload[3]);
var temp3 = parseFloat(msg.payload[4] + "." + msg.payload[5]);
var hum = parseFloat(msg.payload[6] + "." + msg.payload[7]);
var bar = parseFloat(msg.payload[8] + "." + msg.payload[9]);
var co2 = parseFloat(msg.payload[10]);
var lux = parseFloat(msg.payload[11]);
var hw = msg.payload[15] + "." + msg.payload[16];
var mod = msg.payload[17];
var fw = msg.payload[18] + "." + msg.payload[19];

var msg1 = {payload:temp1};
var msg2 = {payload:temp2};
var msg3 = {payload:temp3};
var msg4 = {payload:hum};
var msg5 = {payload:bar};
var msg6 = {payload:co2};
var msg7 = {payload:lux};
var msg8 = {payload:hw};
var msg9 = {payload:mod};
var msg10 = {payload:fw};

return [msg1,msg2,msg3,msg4,msg5,msg6,msg7,msg8,msg9,msg10];

var temp1 = parseFloat(msg.payload[0] + "." + msg.payload[1]);

var temp2 = parseFloat(msg.payload[2] + "." + msg.payload[3]);

var temp3 = parseFloat(msg.payload[4] + "." + msg.payload[5]);

var hum = parseFloat(msg.payload[6] + "." + msg.payload[7]);

var bar = parseFloat(msg.payload[8] + "." + msg.payload[9]);

var co2 = parseFloat(msg.payload[10]);

var lux = parseFloat(msg.payload[11]);

var hw = msg.payload[15] + "." + msg.payload[16];

var mod = msg.payload[17];

var fw = msg.payload[18] + "." + msg.payload[19];

var msg1 = {payload:temp1};

var msg2 = {payload:temp2};

var msg3 = {payload:temp3};

var msg4 = {payload:hum};

var msg5 = {payload:bar};

var msg6 = {payload:co2};

var msg7 = {payload:lux};

var msg8 = {payload:hw};

var msg9 = {payload:mod};

var msg10 = {payload:fw};

return [msg1,msg2,msg3,msg4,msg5,msg6,msg7,msg8,msg9,msg10];

[{"id":"8e4709da.ff3438","type":"function","z":"72ca7ddb.f1fef4","name":"Array Parser","func":"var temp1 = parseFloat(msg.payload[0] + \".\" + msg.payload[1]);\nvar temp2 = parseFloat(msg.payload[2] + \".\" + msg.payload[3]);\nvar temp3 = parseFloat(msg.payload[4] + \".\" + msg.payload[5]);\nvar hum = parseFloat(msg.payload[6] + \".\" + msg.payload[7]);\nvar bar = parseFloat(msg.payload[8] + \".\" + msg.payload[9]);\nvar co2 = parseFloat(msg.payload[10]);\nvar lux = parseFloat(msg.payload[11]);\nvar hw = msg.payload[15] + \".\" + msg.payload[16];\nvar mod = msg.payload[17];\nvar fw = msg.payload[18] + \".\" + msg.payload[19];\n\nvar msg1 = {payload:temp1};\nvar msg2 = {payload:temp2};\nvar msg3 = {payload:temp3};\nvar msg4 = {payload:hum};\nvar msg5 = {payload:bar};\nvar msg6 = {payload:co2};\nvar msg7 = {payload:lux};\nvar msg8 = {payload:hw};\nvar msg9 = {payload:mod};\nvar msg10 = {payload:fw};\n\nreturn [msg1,msg2,msg3,msg4,msg5,msg6,msg7,msg8,msg9,msg10];","outputs":10,"noerr":0,"x":430,"y":340,"wires":[["74fad254.999e6c","9d30a15.79e5d6"],["3f6f89ca.9744d6","fd4a3cd3.a7826"],["cd157f85.13fde","7a5a8d32.dbfb14"],["8f42bf2b.987a8","10e05759.2d4e19"],["b8539fae.022d1","29a8885c.b0a468"],["2212dc2a.a66964","dc972f2.7ce30d"],["89f376c0.1fdeb8","d62073dc.3188c"],["7b7790ab.9c1e3"],["aa1a0305.03ba2"],["82ddd3da.7db21"]],"inputLabels":["msg"],"outputLabels":["temp","","","","","","","","",""]},{"id":"74fad254.999e6c","type":"ui_gauge","z":"72ca7ddb.f1fef4","name":"Temp DS18B20","group":"fab0db25.fb55b8","order":3,"width":0,"height":0,"gtype":"gage","title":"Temp DS18B20","label":"Graden C","format":"{{value}}","min":"5","max":"40","colors":["#00b500","#e6e600","#ca3838"],"seg1":"15","seg2":"30","x":760,"y":60,"wires":[]},{"id":"91d6bdd6.ab9f4","type":"modbus-read","z":"72ca7ddb.f1fef4","name":"MODBUS LEZEN","topic":"","showStatusActivities":false,"showErrors":false,"unitid":"1","dataType":"HoldingRegister","adr":"0","quantity":"24","rate":"2","rateUnit":"s","delayOnStart":false,"startDelayTime":"","server":"5dffa21.0a6fe5c","useIOFile":false,"ioFile":"","useIOForPayload":false,"x":170,"y":260,"wires":[["8e4709da.ff3438","92a24fc7.f32b8"],[]]},{"id":"92a24fc7.f32b8","type":"debug","z":"72ca7ddb.f1fef4","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"false","x":430,"y":200,"wires":[]},{"id":"9d30a15.79e5d6","type":"ui_chart","z":"72ca7ddb.f1fef4","name":"Temp DS18B20 chart","group":"fab0db25.fb55b8","order":4,"width":0,"height":0,"label":"","chartType":"line","legend":"false","xformat":"HH:mm:ss","interpolate":"linear","nodata":"","dot":false,"ymin":"5","ymax":"40","removeOlder":"2","removeOlderPoints":"","removeOlderUnit":"60","cutout":0,"useOneColor":false,"colors":["#1f77b4","#aec7e8","#ff7f0e","#2ca02c","#98df8a","#d62728","#ff9896","#9467bd","#c5b0d5"],"useOldStyle":false,"x":780,"y":100,"wires":[[],[]]},{"id":"10e05759.2d4e19","type":"ui_chart","z":"72ca7ddb.f1fef4","name":"HumChart","group":"ed5e1c9c.66396","order":2,"width":0,"height":0,"label":"","chartType":"line","legend":"false","xformat":"HH:mm:ss","interpolate":"linear","nodata":"","dot":false,"ymin":"20","ymax":"100","removeOlder":"2","removeOlderPoints":"","removeOlderUnit":"60","cutout":0,"useOneColor":false,"colors":["#1f77b4","#aec7e8","#ff7f0e","#2ca02c","#98df8a","#d62728","#ff9896","#9467bd","#c5b0d5"],"useOldStyle":false,"x":750,"y":400,"wires":[[],[]]},{"id":"8f42bf2b.987a8","type":"ui_gauge","z":"72ca7ddb.f1fef4","name":"HumMeter","group":"ed5e1c9c.66396","order":1,"width":0,"height":0,"gtype":"gage","title":"Luchtvochtigheid","label":"%","format":"{{value}}","min":"20","max":"100","colors":["#0080ff","#0000ff","#0000a0"],"seg1":"40","seg2":"80","x":750,"y":360,"wires":[]},{"id":"29a8885c.b0a468","type":"ui_chart","z":"72ca7ddb.f1fef4","name":"BarChart","group":"81c9e14d.0b0e","order":2,"width":0,"height":0,"label":"","chartType":"line","legend":"false","xformat":"HH:mm:ss","interpolate":"linear","nodata":"","dot":false,"ymin":"950","ymax":"1080","removeOlder":"2","removeOlderPoints":"","removeOlderUnit":"60","cutout":0,"useOneColor":false,"colors":["#1f77b4","#aec7e8","#ff7f0e","#2ca02c","#98df8a","#d62728","#ff9896","#9467bd","#c5b0d5"],"useOldStyle":false,"x":740,"y":500,"wires":[[],[]]},{"id":"b8539fae.022d1","type":"ui_gauge","z":"72ca7ddb.f1fef4","name":"BarMeter","group":"81c9e14d.0b0e","order":1,"width":"5","height":"4","gtype":"gage","title":"Luchtdruk","label":"hPa","format":"{{value}}","min":"950","max":"1080","colors":["#0080ff","#0080ff","#0080ff"],"seg1":"","seg2":"","x":740,"y":460,"wires":[]},{"id":"dc972f2.7ce30d","type":"ui_chart","z":"72ca7ddb.f1fef4","name":"CO2Chart","group":"763642a9.9cd5fc","order":2,"width":0,"height":0,"label":"","chartType":"line","legend":"false","xformat":"HH:mm:ss","interpolate":"linear","nodata":"","dot":false,"ymin":"410","ymax":"5000","removeOlder":"2","removeOlderPoints":"","removeOlderUnit":"60","cutout":0,"useOneColor":false,"colors":["#1f77b4","#aec7e8","#ff7f0e","#2ca02c","#98df8a","#d62728","#ff9896","#9467bd","#c5b0d5"],"useOldStyle":false,"x":740,"y":600,"wires":[[],[]]},{"id":"2212dc2a.a66964","type":"ui_gauge","z":"72ca7ddb.f1fef4","name":"CO2Meter","group":"763642a9.9cd5fc","order":1,"width":"0","height":"0","gtype":"gage","title":"CO2","label":"PPM","format":"{{value}}","min":"410","max":"5000","colors":["#00b500","#e6e600","#ca3838"],"seg1":"1000","seg2":"2500","x":750,"y":560,"wires":[]},{"id":"82ddd3da.7db21","type":"ui_text","z":"72ca7ddb.f1fef4","group":"763642a9.9cd5fc","order":5,"width":0,"height":0,"name":"Firmware","label":"Firmware:","format":"{{msg.payload}}","layout":"row-spread","x":740,"y":840,"wires":[]},{"id":"aa1a0305.03ba2","type":"ui_text","z":"72ca7ddb.f1fef4","group":"763642a9.9cd5fc","order":4,"width":0,"height":0,"name":"Model","label":"Model:","format":"{{msg.payload}}","layout":"row-spread","x":730,"y":800,"wires":[]},{"id":"7b7790ab.9c1e3","type":"ui_text","z":"72ca7ddb.f1fef4","group":"763642a9.9cd5fc","order":3,"width":0,"height":0,"name":"Hardware","label":"Hardware:","format":"{{msg.payload}}","layout":"row-spread","x":740,"y":760,"wires":[]},{"id":"3f6f89ca.9744d6","type":"ui_gauge","z":"72ca7ddb.f1fef4","name":"Temp BME280","group":"ed5e1c9c.66396","order":3,"width":0,"height":0,"gtype":"gage","title":"Temp BME280","label":"Graden C","format":"{{value}}","min":"5","max":"40","colors":["#00b500","#e6e600","#ca3838"],"seg1":"15","seg2":"30","x":760,"y":160,"wires":[]},{"id":"fd4a3cd3.a7826","type":"ui_chart","z":"72ca7ddb.f1fef4","name":"Temp BME280 chart","group":"ed5e1c9c.66396","order":4,"width":0,"height":0,"label":"","chartType":"line","legend":"false","xformat":"HH:mm:ss","interpolate":"linear","nodata":"","dot":false,"ymin":"5","ymax":"40","removeOlder":"2","removeOlderPoints":"","removeOlderUnit":"60","cutout":0,"useOneColor":false,"colors":["#1f77b4","#aec7e8","#ff7f0e","#2ca02c","#98df8a","#d62728","#ff9896","#9467bd","#c5b0d5"],"useOldStyle":false,"x":780,"y":200,"wires":[[],[]]},{"id":"cd157f85.13fde","type":"ui_gauge","z":"72ca7ddb.f1fef4","name":"Temp GEM","group":"fab0db25.fb55b8","order":1,"width":0,"height":0,"gtype":"gage","title":"Temp GEM","label":"Graden C","format":"{{value}}","min":"5","max":"40","colors":["#00b500","#e6e600","#ca3838"],"seg1":"15","seg2":"30","x":750,"y":260,"wires":[]},{"id":"7a5a8d32.dbfb14","type":"ui_chart","z":"72ca7ddb.f1fef4","name":"Temp GEM chart","group":"fab0db25.fb55b8","order":2,"width":0,"height":0,"label":"","chartType":"line","legend":"false","xformat":"HH:mm:ss","interpolate":"linear","nodata":"","dot":false,"ymin":"5","ymax":"40","removeOlder":"2","removeOlderPoints":"","removeOlderUnit":"60","cutout":0,"useOneColor":false,"colors":["#1f77b4","#aec7e8","#ff7f0e","#2ca02c","#98df8a","#d62728","#ff9896","#9467bd","#c5b0d5"],"useOldStyle":false,"x":770,"y":300,"wires":[[],[]]},{"id":"d62073dc.3188c","type":"ui_chart","z":"72ca7ddb.f1fef4","name":"LUXChart","group":"81c9e14d.0b0e","order":4,"width":0,"height":0,"label":"","chartType":"line","legend":"false","xformat":"HH:mm:ss","interpolate":"linear","nodata":"","dot":false,"ymin":"5","ymax":"3000","removeOlder":"2","removeOlderPoints":"","removeOlderUnit":"60","cutout":0,"useOneColor":false,"colors":["#1f77b4","#aec7e8","#ff7f0e","#2ca02c","#98df8a","#d62728","#ff9896","#9467bd","#c5b0d5"],"useOldStyle":false,"x":740,"y":700,"wires":[[],[]]},{"id":"89f376c0.1fdeb8","type":"ui_gauge","z":"72ca7ddb.f1fef4","name":"LUXMeter","group":"81c9e14d.0b0e","order":3,"width":"0","height":"0","gtype":"gage","title":"Licht","label":"LUX","format":"{{value}}","min":"5","max":"3000","colors":["#d9d900","#ffff00","#ffff80"],"seg1":"","seg2":"","x":740,"y":660,"wires":[]},{"id":"fab0db25.fb55b8","type":"ui_group","z":"","name":"DATA","tab":"12acef78.d57cc1","disp":true,"width":"6","collapse":false},{"id":"5dffa21.0a6fe5c","type":"modbus-client","z":"","name":"UNIT 1","clienttype":"simpleser","bufferCommands":true,"stateLogEnabled":false,"tcpHost":"127.0.0.1","tcpPort":"502","tcpType":"DEFAULT","serialPort":"/dev/ttyUSB0","serialType":"RTU-BUFFERD","serialBaudrate":"9600","serialDatabits":"8","serialStopbits":"1","serialParity":"none","serialConnectionDelay":"100","unit_id":"1","commandDelay":"1","clientTimeout":"2000","reconnectTimeout":"4000"},{"id":"ed5e1c9c.66396","type":"ui_group","z":"","name":"DATA","tab":"12acef78.d57cc1","order":2,"disp":true,"width":"6","collapse":false},{"id":"81c9e14d.0b0e","type":"ui_group","z":"","name":"DATA","tab":"12acef78.d57cc1","order":3,"disp":true,"width":"6","collapse":false},{"id":"763642a9.9cd5fc","type":"ui_group","z":"","name":"DATA","tab":"12acef78.d57cc1","order":4,"disp":true,"width":"6","collapse":false},{"id":"12acef78.d57cc1","type":"ui_tab","z":"","name":"MODBUS SENSOR TEST","icon":"dashboard"}]

[{"id":"8e4709da.ff3438","type":"function","z":"72ca7ddb.f1fef4","name":"Array Parser","func":"var temp1 = parseFloat(msg.payload[0] + \".\" + msg.payload[1]);\nvar temp2 = parseFloat(msg.payload[2] + \".\" + msg.payload[3]);\nvar temp3 = parseFloat(msg.payload[4] + \".\" + msg.payload[5]);\nvar hum = parseFloat(msg.payload[6] + \".\" + msg.payload[7]);\nvar bar = parseFloat(msg.payload[8] + \".\" + msg.payload[9]);\nvar co2 = parseFloat(msg.payload[10]);\nvar lux = parseFloat(msg.payload[11]);\nvar hw = msg.payload[15] + \".\" + msg.payload[16];\nvar mod = msg.payload[17];\nvar fw = msg.payload[18] + \".\" + msg.payload[19];\n\nvar msg1 = {payload:temp1};\nvar msg2 = {payload:temp2};\nvar msg3 = {payload:temp3};\nvar msg4 = {payload:hum};\nvar msg5 = {payload:bar};\nvar msg6 = {payload:co2};\nvar msg7 = {payload:lux};\nvar msg8 = {payload:hw};\nvar msg9 = {payload:mod};\nvar msg10 = {payload:fw};\n\nreturn [msg1,msg2,msg3,msg4,msg5,msg6,msg7,msg8,msg9,msg10];","outputs":10,"noerr":0,"x":430,"y":340,"wires":[["74fad254.999e6c","9d30a15.79e5d6"],["3f6f89ca.9744d6","fd4a3cd3.a7826"],["cd157f85.13fde","7a5a8d32.dbfb14"],["8f42bf2b.987a8","10e05759.2d4e19"],["b8539fae.022d1","29a8885c.b0a468"],["2212dc2a.a66964","dc972f2.7ce30d"],["89f376c0.1fdeb8","d62073dc.3188c"],["7b7790ab.9c1e3"],["aa1a0305.03ba2"],["82ddd3da.7db21"]],"inputLabels":["msg"],"outputLabels":["temp","","","","","","","","",""]},{"id":"74fad254.999e6c","type":"ui_gauge","z":"72ca7ddb.f1fef4","name":"Temp DS18B20","group":"fab0db25.fb55b8","order":3,"width":0,"height":0,"gtype":"gage","title":"Temp DS18B20","label":"Graden C","format":"{{value}}","min":"5","max":"40","colors":["#00b500","#e6e600","#ca3838"],"seg1":"15","seg2":"30","x":760,"y":60,"wires":[]},{"id":"91d6bdd6.ab9f4","type":"modbus-read","z":"72ca7ddb.f1fef4","name":"MODBUS LEZEN","topic":"","showStatusActivities":false,"showErrors":false,"unitid":"1","dataType":"HoldingRegister","adr":"0","quantity":"24","rate":"2","rateUnit":"s","delayOnStart":false,"startDelayTime":"","server":"5dffa21.0a6fe5c","useIOFile":false,"ioFile":"","useIOForPayload":false,"x":170,"y":260,"wires":[["8e4709da.ff3438","92a24fc7.f32b8"],[]]},{"id":"92a24fc7.f32b8","type":"debug","z":"72ca7ddb.f1fef4","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"false","x":430,"y":200,"wires":[]},{"id":"9d30a15.79e5d6","type":"ui_chart","z":"72ca7ddb.f1fef4","name":"Temp DS18B20 chart","group":"fab0db25.fb55b8","order":4,"width":0,"height":0,"label":"","chartType":"line","legend":"false","xformat":"HH:mm:ss","interpolate":"linear","nodata":"","dot":false,"ymin":"5","ymax":"40","removeOlder":"2","removeOlderPoints":"","removeOlderUnit":"60","cutout":0,"useOneColor":false,"colors":["#1f77b4","#aec7e8","#ff7f0e","#2ca02c","#98df8a","#d62728","#ff9896","#9467bd","#c5b0d5"],"useOldStyle":false,"x":780,"y":100,"wires":[[],[]]},{"id":"10e05759.2d4e19","type":"ui_chart","z":"72ca7ddb.f1fef4","name":"HumChart","group":"ed5e1c9c.66396","order":2,"width":0,"height":0,"label":"","chartType":"line","legend":"false","xformat":"HH:mm:ss","interpolate":"linear","nodata":"","dot":false,"ymin":"20","ymax":"100","removeOlder":"2","removeOlderPoints":"","removeOlderUnit":"60","cutout":0,"useOneColor":false,"colors":["#1f77b4","#aec7e8","#ff7f0e","#2ca02c","#98df8a","#d62728","#ff9896","#9467bd","#c5b0d5"],"useOldStyle":false,"x":750,"y":400,"wires":[[],[]]},{"id":"8f42bf2b.987a8","type":"ui_gauge","z":"72ca7ddb.f1fef4","name":"HumMeter","group":"ed5e1c9c.66396","order":1,"width":0,"height":0,"gtype":"gage","title":"Luchtvochtigheid","label":"%","format":"{{value}}","min":"20","max":"100","colors":["#0080ff","#0000ff","#0000a0"],"seg1":"40","seg2":"80","x":750,"y":360,"wires":[]},{"id":"29a8885c.b0a468","type":"ui_chart","z":"72ca7ddb.f1fef4","name":"BarChart","group":"81c9e14d.0b0e","order":2,"width":0,"height":0,"label":"","chartType":"line","legend":"false","xformat":"HH:mm:ss","interpolate":"linear","nodata":"","dot":false,"ymin":"950","ymax":"1080","removeOlder":"2","removeOlderPoints":"","removeOlderUnit":"60","cutout":0,"useOneColor":false,"colors":["#1f77b4","#aec7e8","#ff7f0e","#2ca02c","#98df8a","#d62728","#ff9896","#9467bd","#c5b0d5"],"useOldStyle":false,"x":740,"y":500,"wires":[[],[]]},{"id":"b8539fae.022d1","type":"ui_gauge","z":"72ca7ddb.f1fef4","name":"BarMeter","group":"81c9e14d.0b0e","order":1,"width":"5","height":"4","gtype":"gage","title":"Luchtdruk","label":"hPa","format":"{{value}}","min":"950","max":"1080","colors":["#0080ff","#0080ff","#0080ff"],"seg1":"","seg2":"","x":740,"y":460,"wires":[]},{"id":"dc972f2.7ce30d","type":"ui_chart","z":"72ca7ddb.f1fef4","name":"CO2Chart","group":"763642a9.9cd5fc","order":2,"width":0,"height":0,"label":"","chartType":"line","legend":"false","xformat":"HH:mm:ss","interpolate":"linear","nodata":"","dot":false,"ymin":"410","ymax":"5000","removeOlder":"2","removeOlderPoints":"","removeOlderUnit":"60","cutout":0,"useOneColor":false,"colors":["#1f77b4","#aec7e8","#ff7f0e","#2ca02c","#98df8a","#d62728","#ff9896","#9467bd","#c5b0d5"],"useOldStyle":false,"x":740,"y":600,"wires":[[],[]]},{"id":"2212dc2a.a66964","type":"ui_gauge","z":"72ca7ddb.f1fef4","name":"CO2Meter","group":"763642a9.9cd5fc","order":1,"width":"0","height":"0","gtype":"gage","title":"CO2","label":"PPM","format":"{{value}}","min":"410","max":"5000","colors":["#00b500","#e6e600","#ca3838"],"seg1":"1000","seg2":"2500","x":750,"y":560,"wires":[]},{"id":"82ddd3da.7db21","type":"ui_text","z":"72ca7ddb.f1fef4","group":"763642a9.9cd5fc","order":5,"width":0,"height":0,"name":"Firmware","label":"Firmware:","format":"{{msg.payload}}","layout":"row-spread","x":740,"y":840,"wires":[]},{"id":"aa1a0305.03ba2","type":"ui_text","z":"72ca7ddb.f1fef4","group":"763642a9.9cd5fc","order":4,"width":0,"height":0,"name":"Model","label":"Model:","format":"{{msg.payload}}","layout":"row-spread","x":730,"y":800,"wires":[]},{"id":"7b7790ab.9c1e3","type":"ui_text","z":"72ca7ddb.f1fef4","group":"763642a9.9cd5fc","order":3,"width":0,"height":0,"name":"Hardware","label":"Hardware:","format":"{{msg.payload}}","layout":"row-spread","x":740,"y":760,"wires":[]},{"id":"3f6f89ca.9744d6","type":"ui_gauge","z":"72ca7ddb.f1fef4","name":"Temp BME280","group":"ed5e1c9c.66396","order":3,"width":0,"height":0,"gtype":"gage","title":"Temp BME280","label":"Graden C","format":"{{value}}","min":"5","max":"40","colors":["#00b500","#e6e600","#ca3838"],"seg1":"15","seg2":"30","x":760,"y":160,"wires":[]},{"id":"fd4a3cd3.a7826","type":"ui_chart","z":"72ca7ddb.f1fef4","name":"Temp BME280 chart","group":"ed5e1c9c.66396","order":4,"width":0,"height":0,"label":"","chartType":"line","legend":"false","xformat":"HH:mm:ss","interpolate":"linear","nodata":"","dot":false,"ymin":"5","ymax":"40","removeOlder":"2","removeOlderPoints":"","removeOlderUnit":"60","cutout":0,"useOneColor":false,"colors":["#1f77b4","#aec7e8","#ff7f0e","#2ca02c","#98df8a","#d62728","#ff9896","#9467bd","#c5b0d5"],"useOldStyle":false,"x":780,"y":200,"wires":[[],[]]},{"id":"cd157f85.13fde","type":"ui_gauge","z":"72ca7ddb.f1fef4","name":"Temp GEM","group":"fab0db25.fb55b8","order":1,"width":0,"height":0,"gtype":"gage","title":"Temp GEM","label":"Graden C","format":"{{value}}","min":"5","max":"40","colors":["#00b500","#e6e600","#ca3838"],"seg1":"15","seg2":"30","x":750,"y":260,"wires":[]},{"id":"7a5a8d32.dbfb14","type":"ui_chart","z":"72ca7ddb.f1fef4","name":"Temp GEM chart","group":"fab0db25.fb55b8","order":2,"width":0,"height":0,"label":"","chartType":"line","legend":"false","xformat":"HH:mm:ss","interpolate":"linear","nodata":"","dot":false,"ymin":"5","ymax":"40","removeOlder":"2","removeOlderPoints":"","removeOlderUnit":"60","cutout":0,"useOneColor":false,"colors":["#1f77b4","#aec7e8","#ff7f0e","#2ca02c","#98df8a","#d62728","#ff9896","#9467bd","#c5b0d5"],"useOldStyle":false,"x":770,"y":300,"wires":[[],[]]},{"id":"d62073dc.3188c","type":"ui_chart","z":"72ca7ddb.f1fef4","name":"LUXChart","group":"81c9e14d.0b0e","order":4,"width":0,"height":0,"label":"","chartType":"line","legend":"false","xformat":"HH:mm:ss","interpolate":"linear","nodata":"","dot":false,"ymin":"5","ymax":"3000","removeOlder":"2","removeOlderPoints":"","removeOlderUnit":"60","cutout":0,"useOneColor":false,"colors":["#1f77b4","#aec7e8","#ff7f0e","#2ca02c","#98df8a","#d62728","#ff9896","#9467bd","#c5b0d5"],"useOldStyle":false,"x":740,"y":700,"wires":[[],[]]},{"id":"89f376c0.1fdeb8","type":"ui_gauge","z":"72ca7ddb.f1fef4","name":"LUXMeter","group":"81c9e14d.0b0e","order":3,"width":"0","height":"0","gtype":"gage","title":"Licht","label":"LUX","format":"{{value}}","min":"5","max":"3000","colors":["#d9d900","#ffff00","#ffff80"],"seg1":"","seg2":"","x":740,"y":660,"wires":[]},{"id":"fab0db25.fb55b8","type":"ui_group","z":"","name":"DATA","tab":"12acef78.d57cc1","disp":true,"width":"6","collapse":false},{"id":"5dffa21.0a6fe5c","type":"modbus-client","z":"","name":"UNIT 1","clienttype":"simpleser","bufferCommands":true,"stateLogEnabled":false,"tcpHost":"127.0.0.1","tcpPort":"502","tcpType":"DEFAULT","serialPort":"/dev/ttyUSB0","serialType":"RTU-BUFFERD","serialBaudrate":"9600","serialDatabits":"8","serialStopbits":"1","serialParity":"none","serialConnectionDelay":"100","unit_id":"1","commandDelay":"1","clientTimeout":"2000","reconnectTimeout":"4000"},{"id":"ed5e1c9c.66396","type":"ui_group","z":"","name":"DATA","tab":"12acef78.d57cc1","order":2,"disp":true,"width":"6","collapse":false},{"id":"81c9e14d.0b0e","type":"ui_group","z":"","name":"DATA","tab":"12acef78.d57cc1","order":3,"disp":true,"width":"6","collapse":false},{"id":"763642a9.9cd5fc","type":"ui_group","z":"","name":"DATA","tab":"12acef78.d57cc1","order":4,"disp":true,"width":"6","collapse":false},{"id":"12acef78.d57cc1","type":"ui_tab","z":"","name":"MODBUS SENSOR TEST","icon":"dashboard"}]

Multisensor HW v1.10 – Groter en slimmer voorbeeld In dit voorbeeld de functie veel overzichtelijker gemaakt, tevens meerdere gegevens in 1 grafiek gezet. Ik heb het idee …

Node-RED – Voorbeeld – Modbus uitlezen en visualiseren (multisensor) Lees meer »

Apparaat – Thermische printer

Door Sebastiaan Geplaatst op 2019-11-23 Geplaatst in Printers, Randapparatuur op de Arduino Getagd met Arduino, HS-QR71, Printer, Raspberry pi, Thermische Printer, TTL, UART, USB

BESTELLEN Thermische printers komen veel voor in Point Of Sale (POS) systemen, veelal zijn ze eenvoudig aan te sturen via Serieel TTL/UART of USB aansluiting. Ze gebruiken geen inkt maar gebruiken hitte en speciaal papier om te printen o.a. voor …

Apparaat – Thermische printer Lees meer »

Modbus – Hardware – RS485 Raspberry Pi HAT

Door Sebastiaan Geplaatst op 2018-12-09 Geplaatst in Modbus Hardware Getagd met hat, Modbus, Pinout, Raspberry pi, RS485

Website Informatie (ENG) The RS422 / RS485 Serial HAT from HWHardSoft is a fully galvanic isolated Serial communication HAT designed for use with the Raspberry Pi. RS485 can be used across large distances, so isolation of the RS485 bus ensures that your …

Modbus – Hardware – RS485 Raspberry Pi HAT Lees meer »

Apparaat – RS232 – Seriële communicatie

Door Sebastiaan Geplaatst op 2018-12-08 Geplaatst in C++ Script (Arduino), Diverse onderwerpen (Arduino), Diverse onderwerpen (Raspberry Pi), Python Script, Sensor en Module Getagd met Apparaat, Arduino, computer, hex strings, Python, Raspberry pi, RS232, Sensor, Serieel, seriele

Het volgende voorbeeld laat zien hoe je HEX strings naar een serieel RS232 apparaat stuurt en dan het “antwoord” uit kan lezen in HEX strings. C++ / Arduino

#include <SoftwareSerial.h>

byte command[2] = {0xAA, 0x41};
byte response[5]; 

SoftwareSerial rs232device(10, 11, SERIAL_8N1); // TX, RX.

void setup() {
  Serial.begin(9600);
  rs232device.begin(9600); 
}

void loop() {
  rs232device.write(command, sizeof(command));
  rs232device.readBytes(response, 5);

  Serial.print(response[0], HEX);Serial.print(" ");
  Serial.print(response[1], HEX);Serial.print(" ");
  Serial.print(response[2], HEX);Serial.print(" ");
  Serial.print(response[3], HEX);Serial.print(" ");
  Serial.println(response[4], HEX);
  delay(500);
}

#include <SoftwareSerial.h>

byte command[2] = {0xAA, 0x41};

byte response[5];

SoftwareSerial rs232device(10, 11, SERIAL_8N1); // TX, RX.

void setup() {

Serial.begin(9600);

rs232device.begin(9600);

}

void loop() {

rs232device.write(command, sizeof(command));

rs232device.readBytes(response, 5);

Serial.print(response[0], HEX);Serial.print(" ");

Serial.print(response[1], HEX);Serial.print(" ");

Serial.print(response[2], HEX);Serial.print(" ");

Serial.print(response[3], HEX);Serial.print(" ");

Serial.println(response[4], HEX);

delay(500);

}

Python / Raspberry Pi

#!/usr/bin/env python

import serial
import time

#-------------------------------------------------------------------------------

def ByteToHex( byteStr ):
    """
    Convert a byte string to it's hex string representation e.g. for output.
    """
    
    # Uses list comprehension which is a fractionally faster implementation than
    # the alternative, more readable, implementation below
    #   
    #    hex = []
    #    for aChar in byteStr:
    #        hex.append( "%02X " % ord( aChar ) )
    #
    #    return ''.join( hex ).strip()        

    return ''.join( [ "%02X " % ord( x ) for x in byteStr ] ).strip()

#-------------------------------------------------------------------------------

def HexToByte( hexStr ):
    """
    Convert a string hex byte values into a byte string. The Hex Byte values may
    or may not be space separated.
    """
    # The list comprehension implementation is fractionally slower in this case    
    #
    #    hexStr = ''.join( hexStr.split(" ") )
    #    return ''.join( ["%c" % chr( int ( hexStr[i:i+2],16 ) ) \
    #                                   for i in range(0, len( hexStr ), 2) ] )
 
    bytes = []

    hexStr = ''.join( hexStr.split(" ") )

    for i in range(0, len(hexStr), 2):
        bytes.append( chr( int (hexStr[i:i+2], 16 ) ) )

    return ''.join( bytes )

#-------------------------------------------------------------------------------

# USB D- = RXD TTL STICK
# USB D+ = TXD TTL STICK

### POORT INSTELLINGEN
ser = serial.Serial()
ser.port = "/dev/ttyUSB0"
ser.baudrate = 9600
ser.parity=serial.PARITY_NONE
ser.stopbits=serial.STOPBITS_ONE
ser.bytesize=serial.EIGHTBITS
ser.timeout=1

try: 
    ser.open()
    print("Connected to: " + ser.portstr)
except Exception, e:
    print "error open serial port: " + str(e)
    exit()

while 1:
  ### METHODE #1
  ser.write([0xAA, 0x41])

  ### METHODE #2
  #ser.write(serial.to_bytes([0xAA,0x41]))

  ### METHODE #3
  #ser.write("\xAA\x41")

  ### METHODE #4
  #ser.write(chr(0xAA))
  #ser.write(chr(0x41))

  ### METHODE #5
  #msg = bytearray([0xAA, 0x41])
  #ser.write(msg)

  #data = ser.read(8) ### AANTAL BYTES LEZEN
  data = ser.readline() ## HELE LIJN LEZEN
  #data = ser.readall() ### ALLES LEZEN

  print "SIZE: ", len(data)
  print "RAW: " + data
  print "HEX1: " + ByteToHex(data)
  print "HEX2: " + data.encode('hex')

  time.sleep(2)

#!/usr/bin/env python

import serial

import time

#-------------------------------------------------------------------------------

def ByteToHex( byteStr ):

"""

Convert a byte string to it's hex string representation e.g. for output.

"""

# Uses list comprehension which is a fractionally faster implementation than

# the alternative, more readable, implementation below

# hex = []

# for aChar in byteStr:

# hex.append( "%02X " % ord( aChar ) )

# return ''.join( hex ).strip()

return ''.join( [ "%02X " % ord( x ) for x in byteStr ] ).strip()

#-------------------------------------------------------------------------------

def HexToByte( hexStr ):

"""

Convert a string hex byte values into a byte string. The Hex Byte values may

or may not be space separated.

"""

# The list comprehension implementation is fractionally slower in this case

# hexStr = ''.join( hexStr.split(" ") )

# return ''.join( ["%c" % chr( int ( hexStr[i:i+2],16 ) ) \

# for i in range(0, len( hexStr ), 2) ] )

bytes = []

hexStr = ''.join( hexStr.split(" ") )

for i in range(0, len(hexStr), 2):

bytes.append( chr( int (hexStr[i:i+2], 16 ) ) )

return ''.join( bytes )

#-------------------------------------------------------------------------------

# USB D- = RXD TTL STICK

# USB D+ = TXD TTL STICK

### POORT INSTELLINGEN

ser = serial.Serial()

ser.port = "/dev/ttyUSB0"

ser.baudrate = 9600

ser.parity=serial.PARITY_NONE

ser.stopbits=serial.STOPBITS_ONE

ser.bytesize=serial.EIGHTBITS

ser.timeout=1

try:

ser.open()

print("Connected to: " + ser.portstr)

except Exception, e:

print "error open serial port: " + str(e)

exit()

while 1:

### METHODE #1

ser.write([0xAA, 0x41])

### METHODE #2

#ser.write(serial.to_bytes([0xAA,0x41]))

### METHODE #3

#ser.write("\xAA\x41")

### METHODE #4

#ser.write(chr(0xAA))

#ser.write(chr(0x41))

### METHODE #5

#msg = bytearray([0xAA, 0x41])

#ser.write(msg)

#data = ser.read(8) ### AANTAL BYTES LEZEN

data = ser.readline() ## HELE LIJN LEZEN

#data = ser.readall() ### ALLES LEZEN

print "SIZE: ", len(data)

print "RAW: " + data

print "HEX1: " + ByteToHex(data)

print "HEX2: " + data.encode('hex')

time.sleep(2)

SIZE:  7
RAW: WAWA
HEX1: 57 41 57 41 00 00 00
HEX2: 57415741000000

SIZE: 7

RAW: WAWA

HEX1: 57 41 57 41 00 00 00

HEX2: 57415741000000

Node-RED – Voorbeeld – Modbus USB stick resetten bij deploy

Door Sebastiaan Geplaatst op 2018-08-17 Geplaatst in Node-RED Getagd met Modbus, Node-RED, Raspberry pi, RS485, RTU

Met de modbus plugin krijg je vaak na een deploy “INIT” en “BROKEN” foutmeldingen, de oplossing is dan de USB stick eruit te halen en weer in te stoppen (ook dat moet soms een aantal keer herhaal worden), hieronder vind …

Node-RED – Voorbeeld – Modbus USB stick resetten bij deploy Lees meer »

Node-RED – Voorbeeld – SDM120 modbus KWH meter uitlezen

Door Sebastiaan Geplaatst op 2018-05-23 Geplaatst in Node-RED Getagd met Modbus, Node-RED, Raspberry pi, RS485, RTU

Nieuw voorbeeld Op deze pagina vind je een voorbeeld hoe je een SDM120 modbus KWH meter met modbus nodes uitleest. Bron: flows.nodered.org This flow shows how to set up Eastron SDM120 single phase energy meter under Node-Red. For this I am …

Node-RED – Voorbeeld – SDM120 modbus KWH meter uitlezen Lees meer »

Node-RED – Voorbeeld – Modbus uitlezen en visualiseren

Door Sebastiaan Geplaatst op 2018-05-23 Geplaatst in Modbus Software, Node-RED Getagd met Modbus, Node-RED, Raspberry pi, RS485, RTU

Op deze pagina vind je een voorbeeld hoe je een modbus (multi) sensor of ander apparaat uitleest en visualiseert met Node-RED. Wat heb je nodig? Node-RED Dashboard Node-RED Modbus plugin Stap 1 Voeg een Modbus Node toe en configureer: De …

Node-RED – Voorbeeld – Modbus uitlezen en visualiseren Lees meer »

Zoeken

Tag: Raspberry pi

Raspberry Pi – Display image on screen

Raspberry Pi – VNC – Teamviewer

Node-RED – Example – Add flow from commandline

Node-RED – Voorbeeld – Modbus uitlezen en visualiseren (multisensor)

Apparaat – Thermische printer

Modbus – Hardware – RS485 Raspberry Pi HAT

Apparaat – RS232 – Seriële communicatie

Node-RED – Voorbeeld – Modbus USB stick resetten bij deploy

Node-RED – Voorbeeld – SDM120 modbus KWH meter uitlezen

Node-RED – Voorbeeld – Modbus uitlezen en visualiseren