Code
After wiring, please open the program in the code folder- Lesson 30 Relay and click
UPLOAD to upload the program. See Lesson 2 for details about program uploading
if there are any errors.
After program loading, turn on all the power switches. The relay will pick up with a
ringing sound. Then, the motor will rotate. After a period of time, the relay will be
released, and the motor stops.
Example picture
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