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.
Whenever you hear the transformerless (AC to DC converter without transformer) supply term, you initially imagine the capacitor-based solution: a high-voltage non-polarized capacitor in series with the mains line, a bridge rectifier, a Zener diode, and a filtering electrolytic capacitor. Such a...
The most important part of any electronic device is the power supply section. Any instability or malfunction in this part causes the device to stop its operation or show weird behavior. In this article/video, I introduced an AC to DC Flyback Switching power supply that converts 220V-AC to 8V-DC...
Why would my 105ah deep cycle battery drain down in 6hrs when my load is only 1.4amps?
Goal: To have lights run for 2 days -10hr/day
I have: 12 led bulbs (each bulb is 14w/120v/60Hz/115mA/5000K) on 4 tracks
Plugged into a heavy duty power strip(my test was done using only three tracks/9 light...
I'm a new hobbyist. I've been gathering so many parts for a while now and learning on the go. I know I need a bench power supply to test my electronics the beat waya, but does anyone have any recommendations on the cheap $10 open circuit buck down converters to plug in my wall outlet and adjust...
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