Let the old phone disk function in some thing new using the Gear motor to open the door
Project tutorial by Aws_Alkarmi
Making Nixie clock with Arduino UNO and opto-isolation chip only.
Project tutorial by engineer2you
This device measures fine dust and NO2 concentration in the air while on the move and adds GPS coordinates to each measurement location.
Project showcase by Telina
This is probably beyond my novice ability but it's the most amazing project i've come across yet
Please - Please continue
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