Use an Arduino or any ATMega as digital/analog IO expander, DAC, PWM controller, EEPROM, external RAM etc... via I2C If you ran out of IO pins with your ESP8266 or any other MCU, adding an Arduino ...
Bela port of Arduino library for I2C TCA9555 16 channel port expander - giuliomoro/TCA9555-bela ...
The I2C (Inter-Integrated Circuit) bus is a synchronous serial communication protocol that allows multiple electronic components (sensors, displays, memories, etc.) to be connected within the same ...
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