As a method of testing battery output, it seems a bit elaborate, but racing AAs down coiled copper tubes looks like a lot of fun. Mr. Michal:
Duracell, Varta or Energizer, Which Will Be the Best? In this video you'll see two races between aa batteries. Infinite loop and DRAG RACE. How to make the simplest electromagnetic train in the world ? It's very easy. You only need these three parts. 1. copper wire raw 2. battery ( AAA, AA or C ) 3. and two neodymium magnets ( it must be larger in diameter than battery )
I figure as a benchmark, you'd need to immobilize the tube for comparisons to be fair? Say, if you wanted to create a whole YouTube channel dedicated exclusively to well-controlled battery races.
This looks like a fantastic way to have some fun with electronics while safely staying at home during the coronavirus outbreak.
John Park used a 3D printer, some Sugru moldable glue, and a variety of Adafruit electronics components to build this nifty robot companion based on Pathfinder from the game Apex Legends. I also entered Sugru’s drawing for a free 3D printer.
Charles Platt’s growing series of electronics books are the best I’ve come across. He explains concepts very clearly, and his illustrations are excellent. His latest book in the series is called Easy Electronics. It covers voltage, resistance, capacitors, transistors, integrated circuits, and more. No tools are needed to complete the projects in this book.
If you’re out of work…well, first, you have our sympathies. Right now, about 31 million Americans are drawing some form of unemployment benefits, which makes competition for virtually any job savagely fierce. But since nobody wants to wallow in the miseries of unemployment, the only legitimate course left open is to scrap like crazy to […]
If you want swole arms cut like tree trunks, you start savaging the curl bars. If you want to sculpt a tight, firm core, you have lots of planking and bridges in your future. So what do you do if you want to knock out that double chin? Or put a little added definition into […]
Considering the state of our world, it probably shouldn’t come as a surprise to find lots and lots of people pushed to their breaking point. Anxiety and stress are often constant companions during the best of times. But now, with fear and frustration running rampant, it’s easy to be subsumed by all the distractions and […]