STK200 compatible ICSP 5x2 pin connector for in-circuit programming with AVR-PG1 or AVR-PG2
RS232 Tx, Rx interface with MAX232 IC on socket
8 MHz crystal on socket (user can replace with any value)
reset IC ZM33064
reset button
general purpose push button
status LED connected to PC5 via removable jumper
DIL28 microcontroller socket
Power plug-in jack
selectable +3.3V / +5V power supply voltage regulator
extension pin headers for each uC pin
four mounting holes 3.3 mm (0.13")
GND bus
Vcc bus
FR-4, 1.5 mm (0,062"), green soldermask, white silkscreen component print
dimensions 100x80 mm (3.9x3.15")