Building one’s own Arduino shield — along with the associated sketch (program) — to implement a DIY component tester would have tremendous educational value. Building one’s own Arduino shield — along ...

Check out this Arduino-based electronic component tester. The device is intended to give a simple way to test transistors, resistors, capacitors, diodes and MOSFETs, and such like. The Arduino tester ...

When I was bright-eyed, bushy-tailed, young, and (more) foolish (than I am today), I used to purchase only those components that I needed at the time on a project-by-project basis. This wasn’t much of ...

The true measurement of a battery’s capacity is essential for many scenarios. A capacity measurement device can solve the problem of spotting fake batteries as well. Nowadays fake Lithium and NiMH ...