TK has combined a PIR with an Arduino to create a smart safety light for the house or workshop. Follow along as this gets built out into a more extensive project.

As mentioned in LED Lightlane increases bicycle safety at night we like combinations of LEDs and bicycling on Gadget Master... Here is another example, drawn to our attention by Electronics Weekly's ...

Posted in Featured, LED Hacks, News Tagged forrest mims, led, led as a sensor, led sensor, light sensor, microcontroller, op-amp, photodiode, photosensor, sensor ...

Arduino has launched its next generation of UNO boards, introducing a 32-bit Renesas microcontroller and Espressif ESP32-S3 module, one-click cloud connectivity and plenty of I/O plus a 12×8 red LED ...

Theremin – Simple Build 1 Now you can build a simple Light/Optical Theremin next to nothing. Thanks to the support of the Arduino microcontroller – very few external parts are needed! First, note that ...

Riding a bicycle at night is a bit dangerous, but electronics blogger Jenna DeBoisblanc shows off how to build a system that includes turn signals, a strobe light, speedometer, and brake lights to ...

Arduino controlled Christmas lights! It all started because [Anx2k] had some leftover LED’s from one of his other projects, so he decided to make use of them as permanently mounted Christmas lights.

This DIY project brings a little technology to your two-wheeler and adds brake lights and turn signals to each handlebar so drivers or other bikers always know when you're slowing or about to turn.