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 […]
Ultrasonic Fuel Level Indicator Circuit
An electronic device or circuit which detects and indicates the various fuel levels in a fuel tank without a physical contact, through ultrasonic waves, is called an ultrasonic fuel level […]
Motorcycle Button Start Locking Circuit
In this post we discuss how to modify an existing button start system in motorcycles so that it’s disabled as soon as the engine has started and gained the required […]
Using Single Switch for Fog lamp and DRL Lamp
The post explains an easy method of upgrading your existing car fog lamp switch such that it allows toggling both the fog lamp as well as the DRL lamps alternately, […]
GSM Car Ignition and Central Lock Circuit Using Arduino
In this post we are going to construct a GSM based car security system using Arduino, which can lock and unlock car’s ignition system and central lock by sending a […]
Car Reverse Parking Sensor Circuit with Alarm
In this post we are going to construct a car reverse parking sensor alarm circuit using arduino, ultrasonic sensor and 2.4 GHz transceiver module. This project can be add-on feature […]