Sets up pin modes for the LED, PIR sensor, and piezo buzzer. Begins serial communication with a baud rate of 9600. Delays for 5 seconds to ensure stable start-up. Motion Detection: Continuously reads ...

Components used in this project: 1x Arduino 101 3x Jumper wire 1x PIR sensor 1x LED light 1x USB cable Background: Arduino 101 is a microcontroller which can take in inputs and produce an output. In ...

Their sensor uses a four-lead RGB LED, but we suppose a Neopixel could be used as well. ... A 555 timer pwning the Arduino. Report comment. Reply. goodidea says: August 29, ...

Once it does its work, the flame can be notified with the help of any buzzer, LED, LCD or any other device. In my case, ... in which I have shown the working of three sensors with a single Arduino.

[Fjord Carver] brings together an RGB LED and CdS Photoresistor to make a color sensor. Those Cadmium Sulfide lights sensors usually have a very wide swing of resistance when exposed to varying lev… ...

The most common method is to use the PIR sensor, ... Connect the VOUT pin to the D2 pin of the Arduino. Also, connect the LED to pin D3 and GND through a current limit resistor. Here is how the ...