CO2 Ampel: Unterschied zwischen den Versionen
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Llit (Diskussion | Beiträge) |
Llit (Diskussion | Beiträge) |
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| Zeile 35: | Zeile 35: | ||
|GND | |GND | ||
|MH-Z19 (GND) | |MH-Z19 (GND) | ||
| − | |||
| − | |||
|- | |- | ||
|RX2 / D16 | |RX2 / D16 | ||
| − | |MH-Z19 | + | |MH-Z19 (TX) |
| − | |||
| − | |||
|- | |- | ||
|TX2 / D17 | |TX2 / D17 | ||
| − | |MH-Z19 | + | |MH-Z19 (RX) |
| − | |||
| − | |||
|- | |- | ||
|GND | |GND | ||
| Zeile 62: | Zeile 56: | ||
|GND | |GND | ||
|WS2812 (GND) | |WS2812 (GND) | ||
| − | |||
| − | |||
|- | |- | ||
|D4 | |D4 | ||
|WS2812 (DI) | |WS2812 (DI) | ||
| − | |||
| − | |||
|- | |- | ||
|GND | |GND | ||
| Zeile 78: | Zeile 68: | ||
|I2C SCL / D22 | |I2C SCL / D22 | ||
|SSD1306 (SCL) | |SSD1306 (SCL) | ||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
|} | |} | ||
| − | |||
Version vom 25. Oktober 2020, 13:22 Uhr
Material
benötigtes Material zum erstellen einer CO2 Ampel
CO2 Sensor: MH-Z19
Microcontroller: ESP32 (30 PIN)
Display: OLED Display SSD 1306
Warnton: Buzzer
Warnlicht: WS2812 LED Ring
Litze: 6 x Signal, 3 x VCC, 4 x GND
Die einzelnen Bauteile werden wie folgt an den ESP32 angelötet:
| ESP32 | Bauteile |
|---|---|
| VIN | MH-Z19 (VCC) |
| GND | MH-Z19 (GND) |
| RX2 / D16 | MH-Z19 (TX) |
| TX2 / D17 | MH-Z19 (RX) |
| GND | KY-012 (GND) |
| D12 | KY-012 (Signal/+) |
| 3V3 | SSD1306 (VCC) |
| 3V3 | WS2812 (VCC) |
| GND | WS2812 (GND) |
| D4 | WS2812 (DI) |
| GND | SSD1306 (GND) |
| I2C SDA / D21 | SSD1306 (SDA) |
| I2C SCL / D22 | SSD1306 (SCL) |