Setup
I made suggestions about a work area, storage of parts, tools, and other basics in Make: Electronics. Some of these suggestions should now be revised, while others must be reiterated or elaborated.
Power Source
Most of the circuits in this book can be powered by a 9V battery, which has the advantage of not only being cheap but also supplying a stable current without any spikes or glitches. On the other hand, the voltage from a battery will diminish significantly with use, and will vary from moment to moment, depending on how much current you are drawing from it.
Having a variable power supply capable of delivering 0VDC to 20VDC (or more) is a real pleasure, but may cost more than you are willing to spend. A reasonable compromise is to buy the ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access