Electronic projects

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Sensors & control - all subcategories

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Fridge door Alarm circuit diagram

Fridge door Alarm

author: RED Free Circuit Designs
visits: 1311

Everything-that-moves ALARM circuit diagram

Everything-that-moves ALARM

author: Thomas Scarborough
visits: 803

Metal Detector circuit diagram

author:
visits: 653

Voice activated switch circuit diagram

Voice activated switch

author: Motorola
visits: 600

TRIAC Light Dimmer circuit diagram

TRIAC Light Dimmer

author:
visits: 579

Light switch circuit diagram

author: smartkit
visits: 575

Temperature-controlled Fan circuit diagram

Temperature-controlled Fan

author: RED Free Circuit Designs
visits: 516

Touch Switch circuit diagram

author: smartkit
visits: 476

Room Noise Detector circuit diagram

Room Noise Detector

author: RED Free Circuit Designs
visits: 470

Light/Dark Detector circuit diagram

Light/Dark Detector

author:
visits: 457

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project categories:
Audio (49)
Power & high voltage (43)
Radio (23)
Light & LED (31)
Tools & measurement (40)
Telephone (18)
Automotive (10)
Microcontrollers (12)
Sensors & control (47)
Timers & oscillators (40)
Miscellaneous (26)

project subcategories:
All subcategories
light controlled
temperature controlled
moisture controlled
sound controlled
other

recently added projects:
Doorbell for the Deaf
High Quality Intercom
Combinational Conjuring Trick
POT-PLANT POWER
Ultrasonic Dog Whistle
Quiz Circuit
LED Torch
Insect Repellant
Speaker Microphone Circuit
Magic Wand Conjuring Trick.

most popular projects:
100W RMS Amplifier
12 Volt 30 Amp PSU
60W Guitar Amplifier
500W low cost 12V to 220V inverter
12VDC Fluorescent Lamp Driver
The Link Telephone Intercom – Every Home Should Have One!
Cellular Phone calling Detector
200W audio amplifier
2N3055 Power Amplifier
5,000W ultra-light, high-power amplifier, without switching-mode power supply