Atmel series testing, programming circuits attiny24, attiny44, attiny84 adapter so you can use the integrated micro-controller circuit. Circuit eagle pcb, pcb diagram welding drawings are on file amended PIC microcontroller can be used in series. STK500 development board stated... Electronics Projects, ATtiny24-44-84 Adapter PCB Testing for the programming "avr development board, " Date 2019/08/02