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  • 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.

simple circuit issue

  1. T

    Simple circuit issue

    Hi, I need the LED to light up every time the "connecting circuit'" is connected to the main power supply. In option A the LED would never turn off and in option B the LED causes a voltage drop over the pogo pin connectors. Option B causes the voltage to drop from 5V to 2.66V, which is too...

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