In this article we will learn how to build a simple bicycle speedometer circuit which can be used to measure the speed of the bicycle. Video Demonstration What is a […]
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Fiber Optic Circuit – Transmitter and Receiver
Electronic signals have been quite successfully sent for decades through standard “hard -wire” connections, or by using radio links of different kinds which had many disadvantages. On the other hand […]
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 […]
Electronic Engine Speed Governor Circuit
The post discusses an electronic engine speed governor or controller circuit using an RPM feedback signal loop through a hall effect sensor network. The idea was requested by Mr. Imsa […]
10 LED Tachometer Circuit
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 […]
Industrial Valve Switching Detector Indicator Circuit
The following post explains a circuit idea which can be used for identifying the switching pattern of set of valves from a remote location, using just two wire from the […]