Even though Attiny85 is fitting here, I opted for Digispark just because of its plethora of features like USB programming interface, on-board voltage regulator, and Arduino IDE compatibility. The code ...

Using motion detectors and an Arduino you can trigger lights, fans, or even an pneumatically controlled cleaver-wielding clown to help add your house to the “if you dare” list. There are ...

DWEII 12PCS RCWL-0516 Motion Detection Sensor, Microwave Radar Sensor, Switch Module, for Arduino ESP8266 Nodemcu Wemos, for Raspberry PI, for Human Rat Cat Detector, Detection Distance 5-7m ...

It’s really hard to overstate how awesome ESP8266 development boards like the Wemos D1 Mini really are. For literally a couple of dollars you can get a decently powerful Wi-Fi enabled microco… ...

[Auto Mode & Wide Detection Range] Built-in PIR motion detector for ultra-sensitive detection, Motion Detected - ON, No Motion - OFF after 1-10mins (time adjustable); with upgraded 2-way sensor ...

Aqara’s Presence Sensor FP2 is a huge step in smart home motion detection, and it means an even more efficient way to bring the home together without exactly breaking the bank. Add 9to5Google to ...

One of the most common first sensors people buy for their home is a motion sensor. But in almost all cases, you want a presence sensor instead. The one I'd want is the FP300, which Aqara released ...

Aqara says that the new Presence Sensor is able to detect presence within a distance of up to 20 feet, and it can monitor a room that is up to 538 square feet in size if it is mounted on the ceiling.