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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.

  • 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.

direct current

  1. F

    Noob to electronics. Quick question

    I tend to overthink and find simple concepts diffcult. I understand the charging of cap C1 in figure “A”. My question is in figure “B”. With the switch there, cap C1 discharges thru R2 back into + plate of C1. Why doesn’t current get pulled from battery thru R1 and R2 as well? Doesn’t it...
  2. P

    Coconut cutter product.

    Attached image of Coconut cutter product electrically operated mains supply(AC). Can it also work with Batteries (DC)? Thanks & Regards, Prashant S Akerkar
  3. M

    Emad Electric skateboard

    Ok so I have a emad off road electric skateboard. Originally it is powered by 3 12v 10ah batteries wired together in series. To power a DC motor (model#MY8919) that's rated for 36v 28.4A 800w output. All controlled with a rc remote. Now after a lot of troubleshooting. I have come to the...
  4. the7deadlymoods

    DC Current Ratings for AC Switch

    Hello all, I am working on a ROV (Robot) for underwater missions. I need a beefy switch for main power distribution, which should be able to handle at least 25 Amps. My current choice is this Rotary Switch: https://amzn.to/2ukEgs2 According to the seller its rated for 10 Amps at 440...
  5. M

    6V DC motorcycle regulator

    I have a vintage motorcycle (1934 Levis 500cc model D) with a BTH mag generator which I have just fitted. The dynamo is a small permanent magnet DC type, but chucks out about 6v at tickover rising to about 15v when revved. I need a voltage regulator for this machine to avoid blowing all my bulbs...

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