Electronics circuits and electrical loads need to get electricity (electric power) in some way or another. Therefore, this page is devoted to introducing ways of providing electric power. And also, common problems to be aware of.
Topics covered below:
- Common power sources
- Commonly used alternative sources of electric power
- Related videos
- Product links and other ways to support this site
Common power sources:
There’s 2 ways that most individuals provide power to their electronics.
- Regulated voltage supply (fixed or variable)
First, is to use a regulated supply that you plug into the wall. Once plugged in, the supply provides either a fixed, or adjustable voltage that you can use to provide electric power.
- Voltage and maximum current output may be adjustable
Second commonly used power source is batteries.
- Voltage of a battery cell, depends on it’s chemistry and how charged it is
- Fully charged = The battery’s maximum voltage, probably dangerous to keep charging it.
- Discharged = The battery’s voltage has dropped to an unusable or is close to, if not exceeding an unsafe level for many rechargeable batteries. Current production is reduced.
- Primary = A battery that is not rechargeable
- Secondary = A battery that is rechargeable
Commonly used alternative sources of electric power.
These are highly situational. Therefore, they will not be covered in detail on this page.
- Generator – Wind/hydro/hand cranked/etc.
Using the links to watch the video directly on YouTube, which will be in a new tab, is more helpful than watching the embedded video directly.
DROK one button multimeter first test by electronzap
In circuit multimeter unit I advertised below.
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