tlfong01

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Hong Kong

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raspberry-pi

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How to properly use a relay module with JD-VCC from Arduino/Raspberry?

Jul 3, 2020

Why does it take time for electronic scale to measure?

May 20, 2021

GPS taking long time to fix out in the open

Sep 3, 2020

Help with homemade electromagnet

Apr 30, 2021

What is back EMF?

Apr 27, 2021

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How to properly use a relay module with JD-VCC from Arduino/Raspberry?

+10

What is the difference between 2N7000 and 2N7002 MOSFETs?

+10

What is back EMF?

+10

Do the MCP23S17 GPIO pins need protection against latch up ESD within this circuit?

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