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.
Thanks for your guidance Carl and Eric. :)
I think the slip ring would work best if I was to make the clock gear system. I'm however using a simple one with screw bezel (runs with a single AA battery) and I was going to attach the heaters to the hands.
Now if I'm to use the hall sensors or...
Hi,
I'm trying to design a clock with hands that change colour at a certain angle. To do that I want to use a heat reactive paint which changes colour when heated around 40 deg (C). I've attached a diagram of the possibilities that apply to the colour change.
My question is what's the best...
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