Sometimes, projects start in somewhat unlikely places. This one began when [Istvan Raduly] scored a fake raven at a neighbor’s garage sale and decided to turn it into a thunder-and-lightning ...

[Works with Multi Development Board] HC-SR501 micro pir sensor module for raspberry pi, it has jumper breakout for dual-mode operation (as picture shown). Works with any SOC, MCU or can even work ...

(Passive InfraRed sensor) A device used to detect motion by receiving infrared radiation. When a person walks past the sensor, it detects a rapid change of infrared energy and sends a signal. PIR ...