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README.md
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@ -37,57 +37,7 @@ A simple introduction to Node-RED can be found - along with the nodes / the code
We are using HelTec Automation Wirelsess Sticks ESP32 Dev-Boards.
### PinOut
The PinOut of our version 3 modules can be found here: https://docs.heltec.org/en/node/esp32/dev-board/hardware_update_log.html#wifi-lora-32-hardware-update-logs
![PinOut](https://resource.heltec.cn/download/Wireless_Stick_V3/HTIT-WS_V3.png "PinOut")
### License
For some parts of the Heltec board you need a ["license"](https://docs.heltec.org/general/view_limited_technical_data.html#esp32-lora-series).
### USB-C
Our HelTec Automation Wirelsess Sticks ESP32 Dev-Boards already have USB-C. But they do not support Power Deliver (PD). If your computer tries to do PD, just plug a cheap USB hub between the board and your computer.
### Arduino IDE
HelTecs GitHub repo can be found here: https://github.com/HelTecAutomation/Heltec_ESP32
I had to install VCP Drivers, first: https://www.silabs.com/developers/usb-to-uart-bridge-vcp-drivers?tab=downloads
You can add their Board Manager to the boards managers URLs: https://github.com/HelTecAutomation/Heltec_ESP32/blob/master/library.json and find their libraries in the IDE (Sketch -> Include Library -> Manage Libraries... Search for "heltec esp32").
> These boards are already *V3* boards, so be careful selecting the right board and port (VCP).
![Arduino IDE](docs/images/flash-with-arduino.png "select the right board and port")
### Install esptool
Esptool is a Pyhton program to flash ESP32. As it's a Pyhton tool you can install it using `pip`:
```sh
pip install esptool
```
### Find the port
Usually you can find the used port using `esptool.py`:
```sh
esptool.py write_flash_status --non-volatile 0
```
#### Using MicroPython
Download the firmware: https://micropython.org/download/
Flash it using `esptool`: https://micropython.org/download/GENERIC_S3/
```sh
esptool.py --chip esp32s3 write_flash -z 0 ~/Desktop/GENERIC_S3-20220117-v1.18.bin
```
See the [documentation in this repository](./hardware/README.md).
## Hardware sensors

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