The first time I used a multimeter was in my younger years. I was really into remote-controlled cars—but you couldn't just buy one and start driving. You had to buy a kit and a controller separately ...

Part of Design and Technology Electronic and microelectronic control systems Using Ohm’s Law (V=ꞮR), you can calculate the expected values for voltage, current, and resistance in a circuit. Ohm's law.

Learn how to create a simple DIY electrical generator using a few easy-to-find materials. This step-by-step video guides you ...

Explore how a basic LED can be used as a tiny solar cell, generating measurable voltage under sunlight. This hands-on ...