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Test Coin Cell Batteries with DIY LED Tweezers

Test Coin Cell Batteries with DIY LED Tweezers

I’ve always been interested in electronics, but when I started publishing projects professionally, I got interested in photography, too. I soon realized that with BEAM robots and other small “artisanal” circuits, the batteries are one of the largest and most visible components, and which brand you choose — the colors, the text, the design on […]

Skill Builder: Quick Tips for Using Vacuum Gauges

Skill Builder: Quick Tips for Using Vacuum Gauges

When you’re working with projects involving vacuum pumps, a vacuum gauge will show you the pressure in the chamber being evacuated. There are many different approaches to measuring the pressure in a vacuum, but we’ll focus on one of the most common, called the Bourdon pressure gauge. At the heart of the Bourdon gauge is a […]

Skill Builder: 4 Wire Strippers You Should be Using

Skill Builder: 4 Wire Strippers You Should be Using

The value of a good pair of wire strippers is often overlooked until they’ve disappeared from your toolbox. Here are the 4 basic types of wire strippers that you’ll encounter. GAUGED WIRE STRIPPERS Gauged wire strippers are the simplest and most common type of wire stripper used. Each pair is only made for certain gauges […]