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Germany, Berlin
1 Level
730 Review
46 Karma

Review on πŸƒ Highly Efficient DIYmall HC SR501 Motion Infrared Arduino for Enhanced Arduino Projects by Stephen Zimmer

Revainrating 4 out of 5

There are no retrigger contacts, just bare solder pads.

They work as long as you don't bother changing the trigger mode. Why? Because the ones I received didn't actually have "H/L" jumpers. They were just bare pads. I made a jumper on one of them to set it to "L", the pad came off immediately. It's pretty annoying. I only need to fire it once when there is movement, so now I have to change my code to only fire on the rising flank.

Pros
  • Stylish and modern design
Cons
  • I have no particular complaints about it, everything is fine