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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.

discharging capacitor

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    How to activate 12V/2A electromagnet with 5V (USB power) each 60 minutes?

    Hi all, I feel like I am stuck because don't know how to solve following "simple" solution: Somehow I have to (each 60 min) activate 12V/2A electromagnet, with 5V input voltage (tipical PC USB (5V/100mA). 5V is powering microcontroller, and with that microcontroller, each 60 min I have to...

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