In the microcontroller era today, Arduino ... 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 intrusion ...

Let me introduce another simple microcontroller-based do-it-yourself circuit that detects ... The code is an Arduino project for the Digispark Attiny85 to turn on a light source when the PIR sensor ...

Here is the circuit for the Sparkfun Active Low style sensor. PIR Pin “+” connects to Arduino +5 one side of the 10K Resistor Connects to Arduino +5 PIR Pin “-” connects to Arduino gnd ...

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.

Like the Arduino and Raspberry Pi before it ... With just a Wemos D1 Mini, a standard PIR sensor, and some open source code, you can create a practical self-contained motion sensor module that ...