Arduino Uno R3; 5mm LDR; 10K ¼W Resistor; 1K ¼W Resistor; 5mm Red LED ; 5V Piezo-Buzzer ; 9V battery; PIR/IR sensor (see text) Sensor Input. Advertisement. ... (PIR) Sensor. The PIR Sensor detects the ...

The LDR must be soldered in a way that it can comfortably see ambient light through the Fresnel lens. The tiny microcontroller brain. To be frank, using a microcontroller is probably overkill for most ...

When most of us think of glove controllers, the first which comes to mind is Nintendo’s PowerGlove, which promised much more than it delivered. But the idea persists, and from time to time we… ...

PIR Pin “+” connects to Arduino +5. PIR Pin “-” connects to Arduino gnd. PIR Pin “out” connects to Arduino Digital 2. Here is the Arduino code for the Parallax sensor ...

Working from home with regular video meetings has its challenges, especially if you add kids to the mix. To help avoid embarrassing situations, [Charitha Jayaweera] created Present!, a USB device t… ...