I made a BPM mediator with a MAX module an OLED and a ESP32 :B The oled uses I2C and 0x3, SDA uses pin 21 and SCK pin 22, lumin reacts with your bpm depending on it :P
I made a BPM mediator with a MAX module an OLED and a ESP32 :B The oled uses I2C and 0x3, SDA uses pin 21 and SCK pin 22, lumin reacts with your bpm depending on it :P
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