Binary Code Modulation (BCM) aka Bit Angle Modulation (BAM) library for fading leds for AVR microcontrollers

7 segment display library for AVR microcontrollers | ATmega328P

Read and debounce multiple buttons using interrupt on AVR microcontrollers

millis and micros library for AVR microcontrollers - milliseconds and microseconds time tracking

ISP programming rig for microcontrollers

Constant current LED driver using ATtiny13 - Headlamp flashlight

Capacitive transformerless power supply schematic for PIR motion sensor NV-1111.35

How an outdoor motion PIR sensor switch works with schematic

Using USBTinyISP programmer with Atmel Studio 7 | AVR programming

Program any AVR microcontroller using WinAVR and USBTinyISP - Getting started with AVR tutorial for beginners

How a POV propeller display works

Build a wireless energy POV display propeller clock with Android app