Instad of read relay you can | Microcontroller › 8051 › Motorbike cockpit (km/h, odometer, fuel gauge, bat level,RTC) using C52 › Instad of read relay you can June 12, 2013 at 5:37 am #9951 jayParticipant Instad of read relay you can use hall sensors and multipel megnet. You can find hall sensor in old bldc fan of ups or pc smps or dvd or laptop
