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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.

usb

  1. I

    Total newbie. Help designing wearable circular heating container charge via usb or dc

    I am trying to figure out how to make a portable heating pad container holder about the same dimensions as this item - https://www.amazon.com/Munchkin-Travel-Baby-Bottle-Warmer/dp/B006SFUD2G/ref=cm_cr_arp_d_product_top?ie=UTF8 - i linked to. That can be charged via usb and dc, then worn...
  2. P

    USB Port (Type B) Broken... Can this be fixed?

    I have a Zoom G5 pedalboard for guitar effects, but the plastic port came loose and disconnected from the 2 metal prongs. 1 of the prongs is broken, I have attempted to solder it back on with no luck due to my lack of experience in this field. If I take it to a shop to repair, would it be...
  3. S

    Beakthrough in solar panels and batteries

    Hi everyone, Have you seem this: **broken link removed** Just what I am looking for.:) spec
  4. K

    Needing simple solution to get a toy steam engine dynamo to power a USB port

    I will admit from the git-go that i am almost totally electronically illiterate. So please factor that into any responce. Here is what i am trying to accomplish. I would like to use a toy steam engine dynamo to power a USB port for the purpose of charging phones etc. Here is a link to a...
  5. S

    Raspberry Pi Zero communication with Win PC

    The Raspberry Pi Zero, introduced mid 2015, is now more freely available ($5US and £4UK). http://www.adafruit.com/products/2885 http://thepihut.com/collections/raspberry-pi/products/raspberry-pi-zero?variant=14062715972 It looks like a useful tiny single board computer (SBC) and, with its low...
  6. E

    USB data triggered relay

    Hi, I have a usb symbol barcode scanner that I want to trigger a 5v relay when data (barcode reads) pass through. I want to be able to intercept the information without interfering with the normal connection and operation of the scanner and without ongoing background software on the intended...
  7. Clarkdale44

    Help!! A USB related question

    Hello I would like to ask the experts whether connections in the below diagram are correct or not? I wanna add extra power to my 10m extension cable. **broken link removed**
  8. S

    USB Assumptions

    Hi Everyone. I have been servicing scientific instruments for about 16-17 years now but I have never created a significant circuit. I have not posted here for a few years. I have tinkered with various devices such as BeagleBone, Rpi, Arduino and many more but I have never really stuck with it...

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