add schematics

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2019-06-11 11:38:46 +02:00
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@ -30,6 +30,11 @@ Find a good pinout diagram at https://raw.githubusercontent.com/ppelleti/hs-wiri
TX is at GPIO14, RX is at GPIO15 and RTS (control line for transmitter enable) is at GPIO17.
## Schematics
![Schematics](./docs/IMG_1860.jpeg)
## Python snippet to test
import serial.rs485