Some history behind the function of the circuit board, with a guided activity guide for students to download.

By building a basic thermostat, students will explore basic circuitry and electricity. The thermostat built out of a breadboard, temperature sensor chip, amplifier, and battery creates a linear relationship between temperature of the...

In this electronics science fair project, students will make a simple dimmer switch and investigate the relationship between the resistance in the circuit and the amount of light produced. The Science Buddies project ideas are set up...

An absorption wavemeter is a device which can make measurements on the strength of radio emissions and so this instrument is an essential item for investigating the mobile phone. In principle an absorption meter is a simple device that...