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7answers

[Others] Is there a website where electronic circuits are shared?

I'm looking for a website where i can find some simple or complex electronic circuits to make.
4answers

[Others] How do I solder this? The solder isn't sticking.

3answers

[Others] I’ve identified a blown smd cap on a Razer blade 2017. How do I source a replacement when I can’t measure the original and have no schematic?

  • answered Aug 12,2020
    by Carl
4answers

[Others] What is the EN pin on this DC regulator?

4answers

[Others] Hi, do you konw the name of the LCD interface connecting with the board?

  • answered Aug 12,2020
    by Carl
2answers

[Others] When using an NPN transistor for switching does the emitter have to be grounded?

I am trying to control a remote via the gpio pins on a raspberry pi. I don't want to have to use relays because of the space they take up and the mechanical noise. The problem is the pads of the r...
  • answered Aug 11,2020
    by Gorge
2answers

[Others] Is it ok to switch a high frequency signal with a low frequency transistor?

If you have a high frequency signal, going through the collector - emitter of a general purpose transistor, can you just turn it on/of with a low frequency signal at the base?If you leave the transist...
  • answered Aug 11,2020
    by Gorge
2answers

[Others] Will the led driver burn these two led strips If I connect 2 of these led strips to the Led driver(output: 12v 30A)?

The Led driver (output: 12v 30A) and two led strips of 5m each (Input Voltage: 12V DC, Power: 2A 24W).
  • answered Aug 10,2020
    by Gorge
5answers

[Others] Can I use magnet wire to light an LED with an Arduino?

I need to control a really small LED and use the thinnest wire possible so it looks hidden. Magnet wire is very thin and might work but I want to know if I can control an LED with it?
4answers

[Others] Rotary encoder keyboard for Hantek PC Scope

Can you please advise on schematic available for a keyboard contaning rotary encoders. This project is for a Hantek 6254 USB PC based Scope.
  • answered Aug 07,2020
    by Jason
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