When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Chip-On-Board (COB) Technology solders three very fine LED chips—one red, one blue, and one green ...

At the heart of that microscopic LED is a gallium nitride semiconductor which emits either red, green or blue light depending on the applied voltage. In a recent demonstration of the technology at the ...

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 ...