Here is an ultra simple Arduino Night Alarm project ... 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 ...

There’s a huge market for 433 MHz alarm system hardware out there, from PIR motion detectors to door and window sensors. If you want to put them to work, all you need is a receiver, a network ...

The code is an Arduino project for the Digispark Attiny85 to turn on a light source when the PIR sensor detects something ... preview to complement this DIY article. Smart safety light with wireless ...

There’s a huge market for 433 MHz alarm system hardware out there, from PIR motion detectors to door and window sensors. If you want to put them to work, all you need is a receiver, a network ...

When something passes in front of a PIR sensor it ... Connects to Arduino +5 PIR Pin “-” connects to Arduino gnd Other side of 10K Resistor connects to PIR Pin “Alarm” PIR Pin “Alarm ...