BoardPilotDS18B20 temperature sensor (TO-92) with ESP32
Supply 3.3-5 V
Bus ONEWIRE
Measures temperature
Pins and ESP32 wiring
| Pin | Role | ESP32 pin | Notes |
|---|---|---|---|
| GND | Ground | GND | Left leg, flat side facing you |
| DQ | One-wire data | D25 | Middle leg. Needs a 4.7 kΩ pull-up to 3.3 V |
| VDD | Power | 3V3 | Right leg |
Suggested wiring for the 30-pin ESP32 DevKit, avoiding flash, input-only and strapping pins. BoardPilot checks it for you as you wire.
Sources
- Maxim DS18B20 datasheet, TO-92 pin configuration (bottom view): 1 GND, 2 DQ, 3 VDD
Try it in 3D in BoardPilot
Related parts
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Part data: CC BY 4.0, free to reuse with credit to BoardPilot.