*Circuit Basics Pro is available now to download from app store.https://play.google.com/store/apps/details?id=com.frostistudios.circuitbasicspro* Circ …
Simple Countdown, very simple tool , and very handy.Countdown Minutes is simple, quick, reliable, light weight and battery efficient.免費玩Countdown Minu …
Learn about electronics and use our built in calculators to calculate the values of voltage and power. Learn how to built a circuit and put it on a ci …