Project Ideas for ENGS 32

• Capacitance meter
• Signal generator
• Metal Detector
• Burglar Alarm
• Electronic Metronome
• “Color Organ” (lights that flash in response to music)
• Variable Strobe Light Tachometer
• Intercom
• Telephone Hold Button
• Transistor gain tester or curve tracer
• Sound synthesizer
• Solar power for _________
• Voltage regulator for a flashlight (maintains brightness as battery discharges).  Consider using new ultra-bright LEDs.
• Metronome
• Thermometer
• Light meter
• _____meter
• Counter with light or magnetic or ____ sensor.
• Guitar effects box (any of many types).
• Small amplifier, to drive headphones or a speaker. 
• Automatic gain control for audio signal
• Power supply
• Tachometer
• Battery monitor, including meter, warning lights, and/or automatic switching to reserve battery.