Arduino core for the tinyAVR 0/1/2-series - Ones's digit 2,4,5,7 (pincount, 8,14,20,24), tens digit 0, 1, or 2 (featureset), preceded by flash in kb. Library maintainers: porting help available!

Collection of cartridges, adapters, and replacements for the Commodore C64

Collection of AVR Programmers and Accessories

Small FM Radio with RDS and OLED

I²C OLED on an ATtiny10/13/202

USB Type-C Power Delivery Trigger and Monitoring Board

Simple ISP Flash Tools for various Microcontrollers

2.5kV Isolator for the USB Power Rail

Power Supply Analyzer with USB Interface

Rotary Encoder with I²C Interface

Collection of AVR Development Boards

HV UPDI / UPDI programmer software for Arduino (targets Tiny AVR-0/1/2, Mega AVR-0 and AVR-DA/DB MCUs)

Single-Cell Li-Ion, LiPo and LiFePO4 Battery Capacity Tester

Change the Pitch of your Voice

Turn your USB PD Power Adapter into an AC Power Source

Real-Time Clock USB-Stick

This DIY open source hardware connects inline with any UPDI programmer to provide a HV UPDI programming solution for tinyAVR® 0/1/2 series MCUs. Compatible with UPDI programmers that operate with jtag2updi, avrdude, pyupdi, MPLAB X IDE, MPLAB X IPE, PlatformIO and Arduino IDE using any target voltage from 3 to 5V.

USB Serial Controlled 2.4GHz Transceiver

Programmable Timer for Aquariums

Arduino compatible C library to support the PTC in the AtTiny 1-Series