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Warning

Car Warning Tone Generator for Ignition, Headlight, Turn Lights

Last Updated on January 7, 2020 by Swagatam 10 Comments

car warning tone

The circuit explained here is basically a warning signal generator designed largely for automobile application. It triggers a warning signal in a situation when the turn indicator switch is not restored back to its neutral status. The circuit is especially useful for all those cars where the turn indicator system is not supported with an […]

Filed Under: Automobile Electronics Tagged With: Generator, Headlight, Ignition, Tone, Turn, Warning

Ice Warning Circuit for Automobiles

Last Updated on January 2, 2024 by Swagatam 2 Comments

car ice frost warning circuit

Devices that react to variations in atmosphere or fluid heat are simple to construct due to the easy availability of thermistors. This car ice warning circuit explains how to implement a thermistor like a transducer in a circuit that continuously blinks a warning lamp as soon as the atmospheric temperature drops to around 0 °C. […]

Filed Under: Automobile Electronics Tagged With: Automobiles, Warning

Patient Drip Empty Warning Indicator Circuit

Last Updated on January 3, 2024 by Swagatam 40 Comments

drip

In this post I have explained about a simple mechanism, and a circuit which will enable a patient’s IV drip bottle system to sound an alarm whenever it gets almost empty, and needs a replacement. The warning circuit will help doctors and the concerned employees to concentrate on other important matters while the drip systems […]

Filed Under: Health related Projects Tagged With: Drip, Empty, Indicator, Patient, Warning

Car Speed Limit Warning Indicator Circuit

Last Updated on January 8, 2024 by Swagatam 30 Comments

carspeedlimitindicatorcircuit

In the following post I have explained a simple yet useful car speed limit warning indicator circuit which can be used in vehicles for getting an instant indication of a possible over speed limit conditions. The idea was requested by Mr. Abu-Hafss. Technical Specifications: Shall appreciate, if you could design a circuit to warn with […]

Filed Under: Automobile Electronics, Indicator Circuits Tagged With: Indicator, Limit, Speed, Warning

Single IC Piezo Driver Circuit – LED Warning Indicator

Last Updated on December 31, 2018 by Swagatam Leave a Comment

PiezodriverLEDdrivercircuit

The single IC piezo driver with LED explained here can be used as a warning indicator device in conjunction with some sensor for generating an audible as well as a visual indication. How the Circuit Functions The circuit of this piezo cum LED driver, warning indicator circuit utilizes just a single chip RE46C101 from microchip, […]

Filed Under: Sensors and Detectors Tagged With: Driver, Indicator, LED, Piezo, Single, Warning

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