{
"version": 1,
"author": "ChatGPT",
"editor": "wokwi",
"parts": [
{
"type": "wokwi-esp32-devkit-v1",
"id": "esp",
"top": -50,
"left": 100,
"rotate": 0,
"attrs": {}
},
{
"type": "wokwi-lcd1602",
"id": "lcd",
"top": -200,
"left": 100,
"rotate": 0,
"attrs": {
"pins": "i2c"
}
},
{
"type": "wokwi-potentiometer",
"id": "voc",
"top": 100,
"left": -80,
"rotate": 0,
"attrs": {
"label": "VOC"
}
},
{
"type": "wokwi-potentiometer",
"id": "ethanol",
"top": 100,
"left": 0,
"rotate": 0,
"attrs": {
"label": "Ethanol"
}
},
{
"type": "wokwi-potentiometer",
"id": "c2h4",
"top": 100,
"left": 80,
"rotate": 0,
"attrs": {
"label": "C2H4"
}
},
{
"type": "wokwi-potentiometer",
"id": "h2s",
"top": 100,
"left": 160,
"rotate": 0,
"attrs": {
"label": "H2S"
}
}
],
"connections": [
[
"lcd:GND",
"esp:GND.1",
"black"
],
[
"lcd:VCC",
"esp:3V3",
"red"
],
[
"lcd:SDA",
"esp:D21",
"green"
],
[
"lcd:SCL",
"esp:D22",
"blue"
],
[
"voc:VCC",
"esp:3V3",
"red"
],
[
"voc:GND",
"esp:GND.2",
"black"
],
[
"voc:SIG",
"esp:D32",
"orange"
],
[
"ethanol:VCC",
"esp:3V3",
"red"
],
[
"ethanol:GND",
"esp:GND.2",
"black"
],
[
"ethanol:SIG",
"esp:D33",
"orange"
],
[
"c2h4:VCC",
"esp:3V3",
"red"
],
[
"c2h4:GND",
"esp:GND.2",
"black"
],
[
"c2h4:SIG",
"esp:D34",
"orange"
],
[
"h2s:VCC",
"esp:3V3",
"red"
],
[
"h2s:GND",
"esp:GND.2",
"black"
],
[
"h2s:SIG",
"esp:D35",
"orange"
]
],
"dependencies": {}
}