Posted in Arduino Hacks, Lifehacks Tagged 9V battery, arduino, arduino nano, IR temperature sensor, leds, lever switch, limit switch ...

Here is a simple general-purpose security alarm circuit built on the Arduino platform. It brings up an obtrusive alert signal when an intrusion/theft ...

Arduino is considering manufacturing in India. The startup, best known for its open source microcontroller boards, hopes to restrict the rise of Arduino, the startup renowned among the DIY ...

Digi-Key Electronics has signed a worldwide distribution agreement with LogiSwitch, makers of the Arduino-friendly NoBounce line of ICs and switches. The company writes: LogiSwitch’s adaptive NoBounce ...

Essentially, each pnp transistor compares a reference voltage on the npn emitter with the voltage across the lower limit switch circuit resistors R4, 5 and 6, directing current to the led if the limit ...