After writing up my impressions on the Servo Signal Display, I realized I had a few other goodies and gadgets around the shop that I could spend some time on as well. So next up, lets talk about the Precision Extension Tester. The Precision Extension Tester (PET) is a tool used to measure the resistance of each lead in a servo extension wire. Extensions are one of those things we don’t think much about most of the time. You install servos and buy an extension lead with enough length to get the end to the receiver and your good. At […]