Arduino Project: Simple Arduino Robot Controlled by Android via Bluetooth module HC-06/HC-05

Arduino-Android-Robot-Circuitsgallery

Having posted some quality PIC microcontroller projects, I think now it’s time to take a break and have some great arduino projects. Arduino project kits are becoming quite popular these days due to its advantages over other microcontroller systems. If you’re a newbie to arduino then I strongly recommend you to read our arduino getting…

Simple Transistor Tester Circuit Diagram Using 555 Timer IC

Simple Transistor Tester Circuit diagram using 555

Recently I received a comment from Mr. Simran, one of our reader regarding Home Security Alarm. He said he ran into some faults while setting up the circuit. I suggested that the problem is most probably due to troubles in transistor. After two days he replied back saying he has problem with transistor. Most of the electronics…