Hardware-wise, there is an Arduino Nano Every in charge of the LDR module that reads the flashlight input and the 12 V relay that unlocks the door. Be sure to check it out it the video after the ...
The electronics are straightforward, with the complete parts list consisting of an Arduino Nano 33 IoT device ... the Google landing page) every two seconds and sets the LEDs to green if it ...
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Arduino Nano Vs Micro: What's The Difference?the Arduino Nano and Micro share some similar pinout configurations. They both have two GND pins, two reset pins, one AREF pin, and three power pins (3.3V, 5V, and VIN). Their onboard LEDs are ...
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