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An electronic device that supplies electrical energy to a load. It can be AC or DC input. Typically DC output.

3 votes
3 answers
654 views

Prevent excess current through Zener regulator when system load is switched off

I use a hub-generator powered LED lighting system in my bicycle, made by myself using rectifier, capacitor, and Zener. It's working very well for many years, the Zener does not get hot, and the high-s …
heltonbiker's user avatar
0 votes
1 answer
174 views

Switch off branch of a circuit when voltage is present in another branch [power path managem...

I want to convert a circuit that runs on 6V DC (from an intermitent power source) to a battery-operated one, by adding a Sealed Lead-Acid (SLA) battery. This would fulfill the following scenarios: …
heltonbiker's user avatar
1 vote
1 answer
334 views

Use indepenent power sources for Arduino and for breadboard

I am building a breadboard circuit to be controlled by Arduino. The circuit consists of about 20 bright leds simulating a vehicular lighting system (ten leds for headlight, 4 in taillight, 3 for each …
heltonbiker's user avatar