Измеритель натяжения нити. Экструдер 3д нити

Inside the archive are files from the screenshot. Don´t buy if you don´t know what to do about it.
foto:
https://yadi.sk/i/K3_IVgPJVihIxg
https://yadi.sk/i/9mPmqiMzBJefQQ
https://yadi.sk/i/5d07wQxWi94zqw
https://yadi.sk/i/DEZ_IbGctL-z0Q

for make need
18pcs 1206 smd resistors 103 (10kΩ)
2pcs 1206 smd diodes s4 (5v)
Resistors 16pcs 1026 smd (220 ohm)
1pc Arduino Mega Pro mini
1pc button 8 * 8
1pc 16v 100mF capacitor
1pc hc-12 (adjust to 115200 speed, 3 channels)
2pcs 7-segment display anode