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GyroGearl00se
2023-11-08 01:13:05 +01:00
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# ESPHome-Froeling-Lambdatronic_3200
ESHome RS232 to TTL - ESP8266 - Read data from Froeling / Lambdatronic 3200
# Parts:
Wemos D1 Mini ESP8266:
https://www.amazon.de/dp/product/B0CB85Q78G
MAX3232 DB9 RS232 TTL converter:
https://www.amazon.de/gp/product/B0BNQ41QKQ
![wiring diagram](wemos-rs3232-ttl.png)
| Wemos | D7 | D8 | 5V | G |
|---|---|---|---|---|
| MAX3232 | RX | TX | VCC | GND |