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Detector, Indicator & Sensor Circuits
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C=Circuit Schematics
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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]
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]
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Useful Links
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R=Resource
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Electronics Tutorials, Circuits and Resources
[R]
Electricity Basics
[R]
Electrical Safety
[R]
[R]
Electronics Projects Books
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