LEDs

SKU: AF-2040 | Brand: Adafruit

The 16×8 1.2" LED Matrix + Backpack combines two ultra-bright square blue 8×8 LED matrices on a single, compact driver board. The square pixel design creates a seamless, uniform look — perfect for scrolling text, smal...

SKU: SF-COM-09481 | Brand: SparkFun

This compact 4-digit 7-segment display in blue features 10 mm digit height with a common-anode configuration. Each digit has its own decimal point, and the display includes individually controllable apostrophe and col...

SKU: DF-DFR0485 | Brand: DFRobot

DFRobot FireBeetle is a low-power consumption micro-controller intentionally designed for Internet of Things (IoT). This series micro-controllers aims at IoT node of low-power consumption, attending to build the Io...

SKU: LB-FAIRY-B | Brand: Little Bird

Add a warm decorative glow to any project or display with these battery-powered blue LED fairy lights. The flexible copper wire is easy to bend and shape, making it simple to wrap around objects, weave through decorat...

SKU: LW-TEK6 | Brand: Little Bird

Teknikio Blue star-shaped sewable LED board.  Product Details• Add light up LED Stars to your crafts• LED light is blue• Pack Includes 4x LED Stars• Recommended Age 8+

SKU: AF-5169 | Brand: Adafruit

If you have one of our etched glow-through keycaps, this adorable, bite-sized Key Switch Keychain is the perfect accessory to show it off. It's basically a satisfying clicky tactile key switch, with a blue LED an...

SKU: AF-959 | Brand: Adafruit

The Adafruit Mini 0.7" 8×8 LED Matrix with I2C Backpack makes it easy to add a bright blue dot-matrix display to any project. The I2C backpack handles all the multiplexing, so you only need two data pins (SDA and SCL)...

SKU: AF-1047 | Brand: Adafruit

Make a scrolling sign, or a small video display with this 8x8 gridded blue LED matrix. Only 1.2" on a side, it is quite visible but not so large it wont plug into a breadboard! There are 16 pins on the side, 8 on e...

SKU: AF-1052 | Brand: Adafruit

The Adafruit Small 1.2" 8×8 LED Matrix w/I2C Backpack in blue combines a bright 8×8 LED matrix with a dedicated HT16K33 driver backpack, letting you add a compact display to any microcontroller project with just two I...

SKU: PI-COM0501 | Brand: Pimoroni

A common-anode 4-digit 7-segment LED display in blue, ideal for building clocks, timers, counters, and other numeric readouts. The display features 16 through-hole pins controlling four digits, each with a decimal poi...

SKU: DF-DFR0167-B | Brand: DFRobot

Here is a simple 5 pack of blue LED for LilyPad. Light up the night! LilyPad is a wearable e-textile technology developed by Leah Buechley and cooperatively designed by Leah and SparkFun. Each LilyPad was crea...

SKU: SF-COM-11967 | Brand: SparkFun

This is a perfect choice if you are in need of a heavy duty push button! These metal push buttons are a very tough, small, panel-mount momentary switch with an illuminated blue LED ring. It is a SPDT with 16mm threadi...

SKU: AF-1853 | Brand: Adafruit

The Small 1.2" (30 mm) 8x8 Bright Square LED Matrix + Backpack combines a vivid blue LED matrix with an I2C backpack driver board, making it simple to add a compact display to any microcontroller project without compl...

SKU: AF-1908 | Brand: Adafruit

A pack of two 14-segment alphanumeric LED displays in blue, each with a 0.54" (13.7 mm) digit height. These displays can show letters, numbers, and select symbols, making them suitable for clocks, status indicators, a...