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.
What is the simplest, portable, lightest, smallest (even if not the safest or efficient) solution to charge a 2nd car battery (located in the trunk or passenger cabin) while driving a rental car (sedan or SUV)?
For example, can I just use a 3 m jump cable between the two batteries all day/while...
Hello!
I'd like to create a working clock from this clock I took from my old 2010 Chevrolet Aveo S. I have near no knowledge in this field at all but have worked with computers my whole life if that helps. I have a soldering iron and other tools to do the job.
While it seems random and stupid...
While taking a taxi on a business trip, I saw an interesting thing. I was sitting in the back when I noticed a small touch screen TV installed in the back of the passenger side, which made my trip not so boring. I think I can also purchase a touch screen that can play the video and I can put it...
So I bought a 1986 Ford ranger that needed the body harness completely rebuilt . As I'm ripping out the old harness I noticed something that looks like a wire nut with about 6 wires inside of it. Has anyone seen anything like this? Was this Normal for fords back then ? Or was this the result of...
Hello, I discoverd a item taped with Black tape under my car a few days ago. I have tried Google image and I still have No clue what it is. I have a reason to belive it might be a kind of gps but would like to know for sure what it is. Does anyone know what it might be?
I have a buddy that is building a custom car. I've been helping him with the electrical design. The engine is from a Hayabusa motorcycle and has a battery and alternator. The goal is to add additional systems, like A/C, radio, and window motors. The current alternators is only rated for 30 amps...
I'm hoping an IR expert can help out this total electronic newbie with this one: The audio IR transmitter in my GMC Acadia is cutting in and out. The IR transmitter is in a flip-down video screen unit in the ceiling, and came with the truck. The system uses two headsets. I verified that it's...
Hi Friends,
Could you please clarify my below doubts on power supply to a car head unit in modern cars.
1) Is the power from alternator rectified and supplied to the head unit?
or
2) Is the battery directly connected to the head?
Or
3) Is the battery power boosted to 14.4 volts and...
Hello i have a nissan pulsar NX 1988 and when i open the doors a bell is ringing.
So i thought that i could change the sound of the bell with a custom MP3 sound.:woot:
ive seen MP3 modules that i could replace the bell with, but i need the sound to be triggered
just one time and im not 100%...
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