ARDUINO TIMER WITH COIN ACCEPTOR

As a project, I decided to make a timer with an arduino and a key so that the vacuum cleaner in the car wash could work. It was made as simply as possible and it works perfectly.

ARDUINO NANO

COMESTERO RM5 TOKEN

7805 stabilizator

resistor 1k

transistor NPN

RELAY 5V

capacitor 10 mF

capacitor 470 mF

display tm1637

ARDUINO TIMER WITH COMESTERO TOKEN

https://www.youtube.com/watch?v=fCS8aXcsyTU

source code will be given if anybody ask!Thank you