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3answers

[Others] Is it ok to connect Raspberry Pi's GPIOs to Arduino's digital pins?

I have a little setup in which I want to trigger certain events on the Arduino using Raspberry Pi's GPIOs. Therefor, I connected GPIO 21 to Arduino's digital Pin 5 and Pi's GND to Arduino&...
  • answered Jul 24,2020
    by Joson
2answers

[Others] Why do we use an H-bridge circuit to control a DC motor using Arduino?

Is it because the motor has no signal pin other than the negative and positive pins?
  • answered Jul 23,2020
    by Joson
2answers

[Others] when copper fill not connecting to pad, both have same GND net.

I'm looking for advice.As the title said, I'm faced with situation, when copper fill not connecting to pad, both have same GND net.
  • answered Jul 23,2020
    by Carl
3answers

[Others] Can I solder my heatsink with a 0.3mm copper shim？

Can I solder my heatsink with a 0.3mm copper shim to reduce the gap between heatsink and ihs? I can only find PCB hand solder. can I heat up the shim with solder until solder melt and quickly stick it...
  • answered Jul 23,2020
    by Carl
8answers

[PCB Prototype] Current capacity of PTH

I am looking at designing a 2 layer PCB with through hole components that will sink 10 Amps of current. I understand that I need to make the width of my trace large enough to handle 10 Amps. My questi...
3answers

[PCB Prototype] Immersion gold in tended via.

Good morning,Could you tell me how is the thickness immersion gold in tended via with the thickess of copper 1oz?Thank you!
6answers

[PCB Prototype] Can't get the last via-to-pad track to remain. How do I lock it.

I need to duplicate high current tracks front and back. I have stitched vias and made a custom through-hole pad, also with stitched vias.However I can't get the last via-to-pad track to remain. If...
3answers

[PCB Prototype] What's difference whithin different soldermask colors

What's difference whithin different soldermask colors(beside color obviously), can soldermask color influence, how pcb works?
1answers

[Others] What this module used for?

Can anyone tell what pcb is this?
3answers

[PCB Prototype] Properties For A Two Layer Board

What is the standard stackup for a 1.6mm thick two layer board? I can only seem to find stackups for four layers and up. Thanks!
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