DiscoverE
Hidden Alarm
It's time to wake up! Young engineers build an electric circuit that will activate an alarm. The use of switches in the circuit is a must—because you don't want the alarm to keep beeping forever!
Curated OER
Design Project: Audio Power Amplifier
In this audio power amplifier worksheet, learners answer five questions about class A amplifiers, sound pressure, crossover distortion, and amplifier design.