Translations:Wbincludes:1-Wire Network/1/en
The controller already has a 3 kΩ pull-up resistor between the data bus and VCC - no external resistor is needed.
Three wire connection
The sensor has three outputs. Their colors may vary from model to model, it is advisable to find the documentation for your model.
| Signal | Terminal | Color: Model 1 | Color: Model 2 | Color: Model 3 |
|---|---|---|---|---|
| Vdd (VCC, Power) | + 5V Out | Red | Red | Red |
| GND (ground) | GND | Black | Black | Yellow |
| DQ (DATA, data ) | 1W | Blue | Yellow | Green |