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describe optional pins

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Ollo 2021-11-15 19:11:41 +01:00
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Readme.md
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@ -7,6 +7,8 @@ after this upgrade it will measure:
* pressure
* altitude
The system can be powered by USB-C or Micro-USB, attached at ESP8266 board.
## Filesystem
### Configuration
Use the config-example.json from the host folder and create here a config.json file.
@ -39,11 +41,17 @@ VCC | GND
The following pins are used:
* GPIO4 PM1006 particle sensor
* GPIO2 WS2812 stripe out of three LEDs, replacing the orignal LEDs at front
* GPIO15 Red LED
* GPIO12 Green LED
* GPIO13 Blue LED
* GPIO15 Red LED (optional)
* GPIO12 Green LED (optional)
* GPIO13 Blue LED (optional)
* GPIO14 I2C clock
* GPIO5 I2C data pin
# Bill of materials
* IKEA Vindriktning
* ESP8266 (e.g. Witty board)
* BMP280 sensor
* some wire
# Sources
* [https://github.com/amkuipers/witty Witty pinout]