GitHub - ffleurey/ATtiny461Breakout: A simple breadboard friendly breakout board for the ATtiny261, ATtiny461 and ATtiny861 in SOIC package. Also includes a couple of blink example.
ATTINY261 | Microchip Technology
ATTINY261 datasheet(85/226 Pages) ATMEL | High Performance, Low Power AVR짰 8-Bit Microcontroller