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Topic: How to build a button-pressing machine (Read 155 times) previous topic - next topic

sinandrei

Hello everyone,

I want to build a button-pressing machine similar to the one depicted in this video:
https://www.youtube.com/watch?v=vwaiIj7566o

What element should I be looking for and can I complete it with arduino?

Thanks in advance

groundFungus

#1
Jul 28, 2018, 01:17 pm Last Edit: Jul 28, 2018, 01:18 pm by groundFungus
That video shows a linear solenoid.  You will need a power supply capable of supplying the rated voltage and current for the solenoid, a solenoid driver and controller.  An Arduino output pin cannot supply enough current to drive a solenoid so an external circuit must be used.  That can be a transistor with a flyback diode (see the linked page).  The controller can be an Arduino or a simple 555 timer circuit.

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