Universal Digital Speedometer Wiring Diagram

This digital speedometer circuit uses ic lm324 which is wired as comparator. The momentary switch on the upper right is a button that is included in all nvu electonic speedometers. To check of the speedometer and odometer are working i have replaced the hall sensor with a logic state device.
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Universal All In One Budget Digital Dashboard Digital Dash

Universal All In One Budget Digital Dashboard Digital Dash

Keenso Universal Dc 12v Motorcycle Digital Colorful Lcd Speedometer Odometer Tachometer W Speed Sensor

Keenso Universal Dc 12v Motorcycle Digital Colorful Lcd Speedometer Odometer Tachometer W Speed Sensor

Eastern Connecticut State University Apparel Universal

Eastern Connecticut State University Apparel Universal

The sensor wire is normally contacted with the positive side of the magnetor or directly wired on the rectifier.