Electronics

A pointer to a rotary-encoder software class shared on the Teensy forum, with configurable upper and lower limits.

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

Displaying Russian text on a small SSD1306 OLED using the u8g2 library’s font support.

A brief recommendation of a textbook on programming the Raspberry Pi in ARM assembly language.

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

A guide to wireless communication between two Arduino Nano boards using nRF24L01+ modules, covering device operation, wiring, and example code.

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

Reading analog signals on a Raspberry Pi with an MCP3008 ADC over SPI, using C and the bcm2835 library.

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