Member Blog Posts: alarm
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Single-Zone Automatic Burglar Alarm System
Posted Feb 09, 2012 By Circuit ProjectsThe circuit was designed to provide an alarm system against any form of burglary based on the operation of CMOS 4011 where a high output…
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Freezer Temperature Sensor and Failure Alarm System
Posted Feb 09, 2012 By Circuit ProjectsThe handy project is built around a small Microchip 12F509 controller, an alarm, and a temperature sensor to remember the monitored…
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Burglar Alarm Control Keypad
Posted Feb 09, 2012 By Circuit ProjectsThe circuit was designed to illustrate the operation of an electronic keypad to be utilized in the burglar alarm system by having five…
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Google Calendar in Self-Setting Alarm Clock
Posted Feb 09, 2012 By Circuit ProjectsThe project has been renamed to Dynamically Programmable Alarm Clock (DPAC) which connects to Google Calendar through Wi-Fi and collects…
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Alarm System Using Radio Waves
Posted Feb 08, 2012 By Circuit ProjectsThe circuit was designed to provide an alarm system that would transmit signals across the medium wave or the radio wave.
Medium Wave –…
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Alarm System for Entrance/Exit Gate
Posted Feb 08, 2012 By Circuit ProjectsThe circuit employs the functions of reed switches to produce a gate alarm that is powered by a universal AC/DC power supply
- Oscillator…
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BasicX Stamp Used for GSM Alarm
Posted Feb 07, 2012 By Circuit ProjectsThe project aims to develop a GSM alarm unit that can be controlled by BasicX24 stamp module.
In the design, the BX24 board has been…
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Burglar Alarm with Expandable Modules
Posted Feb 06, 2012 By Circuit ProjectsThe circuit has been designed to provide an alarm system against any form of burglary wherein it can be expanded by adding modules and…
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Five Zone Alarm with LED Display
Posted Feb 02, 2012 By Circuit ProjectsThe circuit was constructed to be appropriate with small office or home environment which consists of seven-segment LED to display which…
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The Making of Ultimate Alarm Clock
Posted Feb 02, 2012 By Circuit ProjectsSometimes when you’re working too many hours at work it gets harder and harder for you to wake up in the morning. But it is possible for…
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Ultrasonic Burglar Alarm
Posted Feb 02, 2012 By Circuit ProjectsUltrasonic Burglar Alarm: Transmitter and receiver parts of the circuit are connected each other by using a triple cable. System operates…
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Small Sized Loop Alarm
Posted Jan 26, 2012 By Circuit ProjectsThe circuit was constructed to provide an alarm circuit that is reliable, simple, small size, and low in power consumption.
- Light…
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Alarm Indicator for High Temperature Reading
Posted Jan 26, 2012 By Circuit ProjectsThe circuit has been designed to provide an alarm with the use of a buzzer when sensing high temperature by using a thermistor.
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Portable Sensor in Tiny GSM Alarm System
Posted Jan 26, 2012 By Circuit ProjectsThe main purpose of this device is to operate as standalone or as a module for existing alarm sytem.
The design of the project is based on…
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Portable Alarm for Personal Use
Posted Jan 21, 2012 By Circuit ProjectsParts List
The circuit will be useful as personal alarm and anti-snatching bag unit since the design is very small and portable, which can…
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Water Triggered Alarm System Using 555 Timer
Posted Jan 17, 2012 By Circuit ProjectsThe circuit was designed sensitive enough to trigger and activate the alarm upon sensing wetness, moisture or dampness on its probes.
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Alarm Circuit for Refrigerator Doors
Posted Jan 14, 2012 By Circuit ProjectsThe circuit will provide a…
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Burglar Alarm Powered By Battery
Posted Jan 14, 2012 By Circuit ProjectsThe burglar alarm circuit design was based on the operation of CMOS 4001 where a high output would only result if both the inputs to the…
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Alarm Circuit for Water Level Display
Posted Jan 14, 2012 By Circuit ProjectsThe circuit was intended for monitoring and measuring the fluid level or content in a storage tank or reservoir by providing visual display…
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Alarm Circuit for Snoring Prevention by 555 Timer
Posted Jan 14, 2012 By Circuit ProjectsThe circuit was designed to produce a circuit that will alarm a sleeping person to prevent snoring by using a vibrator instead of an audio…
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