There are loads of unique sensors available on the market for Arduino ... PIR motion sensors use infrared light to detect movement. Light is emitted and the sensor will trigger if it can't detect ...

In the microcontroller era today, Arduino ... detected at its sensor input port. As indicated, our system requires a “Logic High (H)” level input to wake up. The best sensor you can use to detect an ...

The microcontroller core is an Attiny85, but a cheap and cheerful Digispark Attiny85 microcontroller development board takes its ... Arduino IDE compatibility. The code is an Arduino project for the ...

Get close enough to this raven and you’ll set off the PIR sensor, which triggers lighting ... This bird’s brain is an Arduino Nano, which is protected from the 12V supply with a boost converter.

For literally a couple of dollars you can get a decently powerful Wi-Fi enabled microcontroller that has enough free digital pins to do some useful work. Like the Arduino and Raspberry Pi before ...