![ATmega168 M168 AVR Development Board Core Board Minimum System ATmega168 M168 AVR Development Board Core Board Minimum System](https://www.bifelectronic.com/2574-large_default/atmega168-m168-avr-development-board-core-board-minimum-system.jpg)
1.Microcontroller chip:ATmega168(V).
2.MiniUSB interface or pin power supply, on-board AMS1117-3.3 chip.
3.All the IO port are leaded out and marked.
4.On-board ISP interface.
5.Reliable reset circuit.
6.AD converter reference voltage with filter inductor and capacitor.