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Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

need help wiring

  1. solaraxis

    Can someone please explain this light switch wiring to me?

    This was likely wired in the 70's here in Canada. I've been studying 3-way circuits, 2-way circuits, general practices and circuit flow for the last 2 hours trying to understand why it's wired this way, because ultimately I'd like to install a dimmer switch that's supposed to have a green...
  2. R

    Arduino gps speedometer

    Hello, I would like to build a battery powered arduino gps speedometer. In this arduino based project I would like to include a few features. -I would like it to turn on some lights when It detects that the speed is going down (if the speedometer is going at 10km per hour and slowing down I...
  3. Donny_97

    Pan/Tilt Head need help designing circuit

    Hello everybody, I am planning on making a motorized Pan/Tilt head to go on a camera jibcrane. My electronics knowledge isn't too well, so I'd wanted to ask all the amazing people here. My plan was to use two 12volt DC motors, powered by a battery pack, to drive the axis, controlled by a...

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