I'm following this tutorial to make an RFID lock, but I'm a little worried about my power supply. I'm using a wall adaptor that outputs 12VDC at 2.5A. I'm also using a 12VDC solenoid with a rated current of 0.58A. Am I alright to be plugging the + terminal of the adaptor straight in to Vin on an …

Trying to get an RFID lock to work

jremington October 21, 2017, 3:09pm 5

1N4001 diode, 100 uF capacitor. Google "arduino solenoid" for better examples.

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