AVR-P20B-10MHz: Prototype Board for 20-pin AVR Microcontrollers with STKxxx Compatible 10-pin ICSP Connector
STK200 compatible ICSP 5x2 pin connector for in-circuit programming with AVR-PG1 or AVR-PG2
RS-232 Tx, Rx interface with MAX232 IC on socket
10MHz crystal on socket (user can replace with any value)
Reset IC ZM33064, Reset button
General purpose Push Button
Status LED connected to a removable jumper
Dual-in-Line 20-pin microcontroller socket
Selectable +3.3V / +5V Power Supply Voltage Regulator
AVR-P28N-8MHZ: Prototype Board for 28-pin AVR Microcontrollers with STKxxx Compatible 10-pin ICSP Connector
STK200 compatible ICSP 5x2 pin connector for in-circuit programming with AVR-PG1 or AVR-PG2
RS-232 Tx, Rx interface with MAX232 IC on socket
10MHz crystal on socket (user can replace with any value)
Reset IC ZM33064, Reset button
General purpose Push Button
Status LED connected to a removable jumper
Dual-in-Line 28-pin microcontroller socket
Selectable +3.3V / +5V Power Supply Voltage Regulator
AVR-P40N-8535-8MHz: Prototype Board for 40-pin AVR Microcontrollers with STKxxx Compatible 10-pin ICSP Connector
STK200 compatible ICSP 5x2 pin connector for in-circuit programming with AVR-PG1 or AVR-PG2
RS-232 Tx, Rx interface with MAX232 IC on socket
10MHz crystal on socket (user can replace with any value)
Reset IC ZM33064, Reset button
General purpose Push Button
Status LED connected to a removable jumper
Dual-in-Line 40-pin microcontroller socket
Selectable +3.3V / +5V Power Supply Voltage Regulator
AVR-USB-162: Prototype Board with the AT90USB162 microcontroller that provides the USB basic circuit functionality
ICSP 5x2 pin connector for in-circuit programming
Debug Wire could be performed by 3 wires connected to ICSP
USB connector and circuit
USB powered (100mA), no need for external adapter
external Power Supply and Voltage Regulator, if USB can't provide enough power
Button, status LED, Reset button
8MHz crystal oscillator