Detectors & Sensors
Electronic Circuits for Hobby and Fair Projects


Home Experiments Science Fair Projects
Electronic Circuits
C=Circuit Diagram
Hot Water Level Indicator [C]
Negative Ion Detector [C]
Frost Alarm [C]
Dark Activated Switch [C]
Sound Operated Switch [C]
Water Activated Relay [C]
Temperature Controlled Relays [C]
A Thermostat With Adjustable Hysteresis [C]
Pot plant water tester [C]
Water and Moisture Activated Alarm [C]

Dew sensor [C]
Rain Alarms and Detectors [C] [C] [C]
Fire Alarms [C]
Lightning Detectors [C]
Electromagnetic Field Detectors [C]
Metal Detectors [C] [C] [C]
Surveillance Transmitter Detector [C]
Beat Balance Metal Detector [C]
Coil Coupled Operation Metal Detector [C]
Human Body Detectors - Radio Wave Alarm [C]
Snore Alarms [C]
Contactless Mains Voltage Indicators [C]
Light Detectors [C] [C] [C]
Dew sensor [C]

Air Flow Detector [C]
Electronic Stethoscope (Pulse and noise Detector) [C]
Water Level Indicators [C] [C]
Temperature Monitors [C]
Magnetic proximity sensors [C]
Color Sensors [C]
Touch Switch Sensors [C]
Doorbell for the Deaf [C]
Sound (Hand Clap) Activated Circuit (advanced) [C]
Sound (Hand Clap) Activated Circuit (simple) [C]
Useful Links
R=Resource
Electrical Safety [R] [R]
Electronics Project Books

                   

Electronic Circuits
Lights & LEDs
Alarms
Sound Effects
Cars & Motorcycles
Computers / PC
Detectors & Sensors
Electronics Games
Audio & Sound
Clocks & Counters
Power Supplies
Radio
Telephone
Control & Interface
Test Equipment
Miscellany

Electronics Discoveries and Inventions
Heinrich Hertz: Radio Waves
Guglielmo Marconi: Radio
Radio and Wireless Patents
Bell: Telephone Invention
The Invention of the Transistor
Konrad Zuse: Relay Computer
The Oil-Drop Experiment

Electricity Projects Famous Electro Scientists



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Last updated: January 2017
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