OSC Calibrator and High-Voltage Fuse Resetter for 8-Pin ATtinys

The small and naughty MP3 monster. DIY version.

ATTiny13/25/45/85: "An Ultra Simple Iambic Keyer with Speed Pot" !

ATtiny programmer board for use ArduinoUNO as ISP

The small and naughty MP3 monster. PCB version.

A soundchip made out of an ATtiny25/45/85

A Morse code to logic-level serial converter for ATtiny13A/25/45/85

AVR(AtTiny45) -based IR-controlled USB HID Keyboard

ATtiny25/45/85 Development Kit

Some small LED-blinking test programs for the AVR microcontrollers

ATtiny45 Tetris

Ultra-Low Power Single push button ON/OFF controller based on ATTiny13/13A/25/45/85 for other microController and circuits application

Firmware for ATtiny25/45/85 to control WS2813 leds strip

Funkmodul für "Capacitive soil moisture sensor v1.2"

Lightweight WS2812B LED driver for use with letter boards and tinyAVRs

Arduino sketch that turns an ATtiny25/45/85 into a simple I2C PWM generator to control LEDs

Modbus RTU Slave/Master for the Arduino Platform

Hardware-based Pulse-Width-Modulation (PWM) on 1 or 2 PINs for AVR ATtiny85-based boards using ATTinyCore up to 500 kHz.

A binary keyboard with 2 buttons!

An asynchronous software UART (yet TX only) library for avr chips (attiny registers)