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link to pinout diagram

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Wolfgang Hottgenroth
2019-06-10 19:48:41 +01:00
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@ -23,6 +23,12 @@ This needs to be done at every boot.
Kudos to danjperron, cmp. (https://www.raspberrypi.org/forums/viewtopic.php?f=98&t=224533&hilit=rs+485#p1383709)
## Pinout
Find a good pinout diagram at (https://raw.githubusercontent.com/ppelleti/hs-wiringPi/master/pin-diagram.png).
TX is at GPIO14, RX is at GPIO15 and RTS (control line for transmitter enable) is at GPIO17.
## Python snippet to test