1. All the parts we need in this project.

2. Install the pats on the board and solder them.

3. Program AVR Atmega 328, then setup and calibrartion.

Product list:

Atmega 328http://bit.ly/2mZeB4n

IC 78M05http://bit.ly/2mVpLXO

Transistor C1815 http://bit.ly/2Hf1jtN

Transistor A1015 http://bit.ly/2oo1tpD

IC TL431 http://bit.ly/2mJ0bFv

Crysta 8mhz http://bit.ly/2nHVOKY

Capacitor 100nF (SMD) http://bit.ly/2or2oFT

Capacitor 10nF (SMD) http://bit.ly/2oo352F

Capacitor 1nF (SMD) http://bit.ly/2os7K3Q

Capacitor 47uF http://bit.ly/2EEfgNs

Resistor 100K http://bit.ly/2WmR1ud

Resistor 27Khttp://bit.ly/2nOJSH3

Resistor 3K3 http://bit.ly/2OVtmP3

Resistor 10K http://bit.ly/2TMSWXV

Resistor 680R http://bit.ly/2mfNEZW

LCD 1602 http://bit.ly/2nIgHpe

POT 20K http://bit.ly/2os9OJ8

Rotary Encorder https://ebay.to/2mUKJWE

20-pin DIP ZIF sockets https://ebay.to/2mfQDBC

Led  http://bit.ly/2IkuH1s

More details, pls check the video on Youtube: