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Automobile Electronics

Car Reverse Parking Sensor Circuit with Alarm

Last Updated on May 16, 2026 by Swagatam 3 Comments

img 20170706 035209 2

In this post I will show how 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 for your car if it doesn’t sport a build-in parking sensors. Introduction The proposed project has similar functionality as traditional car parking sensor has, […]

Filed Under: Arduino Projects, Automobile Electronics Tagged With: Alarm, Parking, Reverse, Sensor

Understanding Motorcycle Voltage Regulator Wiring

Last Updated on May 16, 2026 by Swagatam 100 Comments

2 PinRegulatorWiring

The article provides a detailed explanation regarding the various voltage regulator wiring configurations used in motorcycles. The article was submitted by Mr. Abu-Hafss. Technical Specifications After working on different voltage regulators, I feel to share my findings on your blog so that other people may also get benefit. Please insert the diagrams appropriately in the […]

Filed Under: Automobile Electronics Tagged With: Motorcycle, Regulator, Understanding, Voltage, Wiring

10 LED Tachometer Circuit Diagram

Last Updated on May 16, 2026 by Swagatam 102 Comments

102BLED2Btacho

In this post I have explained how an accurate 10 LED tachometer circuit can be built using ordinary parts like IC 555 and IC LM3915. The idea was requested by Mr. Munsif. What is a Tachometer A tachometer is a device which is used for measuring vehicle engine RPM. Thus, it is basically used for […]

Filed Under: Automobile Electronics Tagged With: LED, Tachometer

Bluetooth Car Ignition Lock Circuit – Keyless Car Protection

Last Updated on May 16, 2026 by Swagatam 25 Comments

mainsremote

This circuit will allow the user to lock his car ignition using his phone Bluetooth, meaning the ignition can be locked/unlocked only through a specific code from the user’s cellphone Bluetooth. Overview In one of my earlier posts I have already explained how to hack a Bluetooth headset and use it for any desired switching […]

Filed Under: Automobile Electronics, Remote Control Circuits Tagged With: Bluetooth, Ignition, Keyless, Lock, Protection

Speed Dependent Brake Light Circuit

Last Updated on May 16, 2026 by Swagatam 9 Comments

Tachometer

In this post I have explained an innovative brake light circuit using speed detection of the vehicle which could be a motorcycle. The circuit implements an advanced brake light switch ON ensuring a much safer riding experience for the user. The idea was requested by Mr. Rayan. Circuit Objectives and Requirements I have an idea, […]

Filed Under: Automobile Electronics Tagged With: Brake, Dependent, Light, Speed

Solar E Rickshaw Circuit

Last Updated on May 16, 2026 by Swagatam 15 Comments

Electric Rickshaw

In this post I have explained a simple solar electric rickshaw or E rickshaw circuit which can easily built by anybody at home and used with a locally fabricated vehicle. The idea was requested by Mr. Amit. The Design Selecting a BLDC In one of my earlier posts I presented an idea which could be […]

Filed Under: Automobile Electronics, Solar Controller Circuits Tagged With: Rickshaw, Solar

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