MRP01 used for programming the ATMEL AVR ATmega, ATtiny and AT90 family with ATMEL Studio, Avrdude, Arduino or other IDE software.
MRP11 supports programming solution on well-known ATMEL ATmega and ATtiny series by using single ZIF socket
MRD20 - Tinium8T is a small size 8 Pin Atmel AVR IO Board with lowest cost, easy interfacing, high performance and user friendly