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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.
I have a circuit that
produces 2 pulses of (200mv)-(2v) when transitioning to On state
and
produces 2 pulses of (-200mv)-(-2v) when transitioning to Off state
I have would like to use these pulses in the simplest way possible to control a switch/relay/circuit
+12v on state
0 volt off state...
Hi guys. It's been a lot of time since I was last here.
So, after my cellphone activated cupboard lock project (it worked, but the headache maintaining it was immeasurable) I stopped being an intrepid mad electrician and bought a proper remote relay module ESP8266 ESP-01 which they said allows...
Hello there,
I'll start by saying I'm by no means an expert in electronic design, so please bear with me. Also my schematic and the datasheets I'm using will all be attached to this post.
I'm designing a circuit whereby the output of a 4017B IC is driving a relay via a BC337-25 BJT Transistor...
Hello everyone,
I’ve just purchased this : **broken link removed**
Now what I’m trying to achieve is utilising 2 relays as momentary switches for an rc winch and I’d like to have the other two as on/off switches for lights ect, however there appears to be only one jumper port which I’m...
Good morning; Long time away here.
I am trying to build a "relay box" that simply separates the load (tow trailer lights) from the vehicle's circuits. In some circles, especially in the Chrysler/Dodge world this is called a TIPM "saver". TIPM stands for Totally Integrated Power Module and...
I came across this circuit while doing a patent search for trailer lighting at Industry Canada's website, www.ic.gc.ca. I don't know if the relays ( 67, 68, 69) will work this way. By its layout, polarized relays aren't suitable. I'll modify this circuit as a stepper motor controller.
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