This is a small development board for the ATtiny13A, ATtiny25, ATtiny45 and the ATtiny85 with mirco USB connection. Note that the orientation of the ATtiny chip corresponds to the second image, because the socket is not always in the correct position. https://elecena.pl/product/27738892/opencircuit-attiny-development-board-micro-usb 2025-01-22 https://elecena.pl/product/27738892/opencircuit-attiny-development-board-micro-usb 2025-04-20 https://elecena.pl/product/27738892/opencircuit-attiny-development-board-micro-usb 2025-05-29 https://elecena.pl/product/27738892/opencircuit-attiny-development-board-micro-usb 2026-02-23 https://elecena.pl/product/27738892/opencircuit-attiny-development-board-micro-usb 2026-02-25 https://elecena.pl/product/27738892/opencircuit-attiny-development-board-micro-usb 2026-04-11