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Be sure to use the Arduino Stack Exchange for questions that are more Arduino and less electronics.

0 votes
4 answers
19k views

Do I have a bad relay module?

I'm currently wiring: 5v Arduino -> VCC GND Arduino -> GND I/O 13 Arduino -> IN1 I have bridged VCC and JD-VCC. I'm running the Arduino blink example sketch, but nothing happens. …
Alfo's user avatar
  • 213
4 votes
1 answer
4k views

How to interface this circuit with a 0-10v Theatrical Lighting Dimmer

However, I'd like to control 6 "variable resistors" from my Arduino using PWM. I'm following this guide. … My Arduino outputs PWM on 6 pins, each of which goes through its own filter circuit: which produces a voltage between 0 and 10v at OUT. …
Alfo's user avatar
  • 213
3 votes
1 answer
2k views

What type of stepper motor should I use in my project and how do I control them?

And finally, as I'm going to be controlling this from an Arduino, what is the best way to connect up the two stepper motors to the Arduino? …
Alfo's user avatar
  • 213