Update README.md

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Ireneusz Zielinski
2019-08-26 12:50:09 +01:00
committed by GitHub
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@ -10,3 +10,11 @@ Features:
* send console commands and read response over WiFi (no PC needed) * send console commands and read response over WiFi (no PC needed)
* battery information can be retrevied also in JSON format for easy parsing * battery information can be retrevied also in JSON format for easy parsing
- Easy to modify code using Arduino IDE and flash new firmware over WiFi (no need to disconnect from the battery). - Easy to modify code using Arduino IDE and flash new firmware over WiFi (no need to disconnect from the battery).
Parts needed:
- [Wemos D1 mini microcontroller](https://www.amazon.co.uk/Makerfire-NodeMcu-Development-ESP8266-Compatible/dp/B071S8MWTY/).
- [SparkFun MAX3232 Transceiver](https://www.sparkfun.com/products/11189).
- Cable with RJ10 connector (some RJ10 cables have only two wires, make sure to buy one that has all four wires present).
- Capacitors C1: 10uF, C2: 0.1uF (this is not strictly required, but recommended as Wemos D1 can have large current spikes).
![Schematics](Schemetics.png)