It shows a typical and abbreviated wiring diagram as well as how to set up your speedometer, tachometer, and fuel sensor. Background info the analog speedo in my 1971 datsun 1200 was notoriously unreliable, and the hotter the ambient temperature, the higher it would read. Universal digital speedometer motorcycle wiring diagram www picswe com. When a hole appears between the ir led and phototransistor, the phototransistor conducts. Building a digital speedo this page describes the digital speedometer i built in 1995 for my datsun 1200. The circuit shown below diagrams how to make a digital speedometer which can measure up to 99kmph with a resolution of 1kmph for i. Any speed sender or electronic module that meets the following two conditions can be used. Digital radar speedometer circuit diagrams, schematics. As can be see the internal of the ic comprises an input differential comparator, followed by a charge pump, an opamp buffer and a emitter follower amplifier stage. Digital speedometer detailed project with circuit diagram. Hence the voltage at collector of the phototransistor and inverting input of lm324 go low, and thus output of lm324 becomes logic high. Mc78058t speedometer digital speedometer odometer schematic. A 12 v power source must be used to power this speedometer.
A digital display displaying the speed and distance. A 12v motorcycle battery is a good alternative for cars without batteries. Pdf the instrument cluster in the trucks become screens and this brings new challenges for the speedometer design. Dakota digital hdx instrument system this guide is designed to get you up and running quickly with the minimal amount of options installed.
If you want to get another reference about digital speedometer circuit diagram for motorcycle please see more wiring amber you will see it in the gallery below. Pdf digital speedometer with password enabled speed. After scouring the web for digital speedo schematics, i found one, and set about constructing it. Digital speedometer with password enabled speed limiting feature. It allows us to evaluate the speed of any object moving, especially cars and other vehicles. Universal digital speedometer diagram update youtube. Digital speedometer circuit diagram for motorcycle my. Secure the speedometer to the dashboard using the provided bracket and hardware. Digitization of speedometer incorporating arduino and tracing of.
The speed is calculated in kilometers per hour kph. Pdf digital speedometer with password enabled speed limiting. If you have been following the pic tutorials then you can also reuse the hardware that we used for learning pic microcontrollers. Connect the speedometer wires as shown in the wiring sections. This is a video animation tutorial on the working of eddy current speedometers used in automobiles like cars, trucks, buses etc. Diagram a programmable speedometer dimensional guide. A circuit translates them into your instantaneous speed and distance traveled. A quick run through of how to wire the universal speedometer. Referring to the simple speedometer circuit diagram below, we can see the ic lm2907 occupying the center stage in the configuration and forms the main detector device. How to circuit a digital speedometer using lm324 circuit. Here i will show you how to build simple yet accurate digital speedometer circuit using just a single ic, seven segments and a few external passive components. In this project you will be able to calculate the speed and distances covered by any rotating.
The circuit diagram of this speedometer and odometer project is very simple and can be built on a breadboard. Many thanks for visiting our website to search digital speedometer circuit diagram for motorcycle. Making an accurate speedometer circuit homemade circuit. The idea of the title is to design such a digital speedometer which has password and speed limit controlling facility so that. Digital speedometer and odometer circuit using pic.