ABS sensor speed alarm project

摘要

I was reading the item in your Circuit Notebook (February 2006 issue) about an "improved speed alarm sensor" and thought my experiences in this area might be of interest.I have installed three cruise control units (commercial units) in my own cars over the last 15 or so years and all used magnetic coil pickups.The first two were rear-wheel drive and the coil was fitted near the propeller shaft just behind the gearbox.