I2c

Serving Si7021 temperature and humidity readings from an ESP32 web server, with URL-based control of an LED.

Developing a reusable ESP-IDF component to read Si7021 temperature and humidity measurements over the ESP32’s I2C bus.

Building a small OLED menu interface with a Teensy, rotary encoder, and pushbutton, including hardware and software debouncing.

Reading temperature and humidity from a Si7021 sensor over I2C with a Raspberry Pi, including register access and measurement commands.

Using C and the bcm2835 library to communicate with a TSL2561 light sensor over the Raspberry Pi’s I2C bus.

Adding analog inputs to a Raspberry Pi with an ATtiny861 microcontroller acting as an ADC over I2C, with AVR firmware and Python integration.