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Update README.md
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codmpm authored Apr 17, 2017
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Expand Up @@ -20,11 +20,11 @@ The ESP-01 needs 3.3V so you need to level-shift the output of the receiver modu
### Schematics
![image of circuit schematic](esp-mqtt-doorbell-receiver-circuit.png)

Here's the eagle file: [esp-mqtt-doorbell-receiver.sch](esp-mqtt-doorbell-receiver.sch)

### Board
![image of board](esp-mqtt-doorbell-receiver-board.jpg)

Here's the eagle file: [esp-mqtt-doorbell-receiver.sch](esp-mqtt-doorbell-receiver.sch)

## Functions
The sketch simply listens for a radio packet with the configured code. On receiving it publishes a message to an mqtt-broker to `<topic-prefix>ring`, non persistent.

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