To demo PID theory in action, I picked up an Arduino Uno from my messy drawer along with a GL5528 photoresistor (LDR) and a super bright 5mm blue LED. The experiment described here is based on ...

Let it hit your red LED and you’ve lost a point ... Inside the cool laser-cut box is an Arduino Uno and a 9V battery, plus a current-limiting resistor and the all-important buzzer.

The game is based on an Arduino Nano, to which five LEDs as well ... player has a limited time to “shoot” the corresponding LDR with a laser pointer. This time limit is decreased as the ...

--(BUSINESS WIRE)--Orion Energy Systems (NYSE MKT: OESX) is ringing in the New Year with the launch of the industry’s first complete suite of LED Door Retrofit (LDR) products. The LDR is an ...

Orion’s LDR® series is the industry’s first patented LED Troffer Retrofit contained within the door frame. The new ISON™ LDR® Troffer Retrofit Modular (LDRM) fixture introduces another ...

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 ...