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PCBA from $0（Free Setup, Free Stencil) (New Users Get $30 Coupons)
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Materials:-
Arduino Nano/UNO
LiquidCrystal I2c Display
Relay Module
Buzzer
Push Buttons
BreadBoard
Bulb Holder Socket
Wires
Circuit:-
Code:-
Arduino_Timer_Relay
.zip
Download ZIP • 2KB