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The post explains 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 checking the performance … Read more10 LED Tachometer Circuit
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 … Read moreBluetooth Car Ignition Lock Circuit – Keyless Car Protection
In this post we learn how to make an useful motorcycle accident alarm circuit for sending alarm signal to the distant population in an event of an accident, especially if it happens in a relatively lonely area. The idea was requested by Mr. Rayan D’souza. Circuit Objectives and Requirements I want a circuit that has … Read moreMotorcycle Accident Alarm Circuit
The post explains 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, usually brake lights … Read moreSpeed Dependent Brake Light Circuit
The circuit presented here is a Rectifier plus Regulator for a 3-Phase charging system of Motorcycles. The rectifier is full-wave and the regulator is shunt-type regulator. By: Abu Hafss Motorcycle Battery Charging System A motorcycle’s charging system is different from that on cars. The voltage alternator or generator on cars are electro-magnet type which are … Read moreMotorcycle SCR Shunt Regulator Circuit
The post explains an over voltage cut-off protection circuit in the form of automotive dump load for protecting sensitive and sophisticated modern automotive electronics from transient DC electrical spikes emanating in vehicle electrical. Transient bus voltages are a significant risk factor to integrated circuits. The maximum breakdown voltage that an integrated circuit may be specified … Read moreOver Voltage Protection for Automotive Load Dump