Flashing RGB 5mm (T 1-3/4) LED – Addicore

100pcs 5mm RGB Multicolor Slow Flashing LED Diode, Multi-Color Blinking Changing Light Emitting Diodes, 2 Pins Clear Round Lens Diffused Flicker Electronic Components Circuit Lights Kit(Slow Flashing) : Industrial & Scientific

Diffused 5mm Fast Flashing RGB LED - 10 pack [Flashing Effect] : ID 680 : $4.95 : Adafruit Industries, Unique & fun DIY electronics and kits

Standard infrared (IR) 5mm LEDs. These work well for making remote controls or beam break detectors.

Addicore Infrared (IR) 940nm 5mm LED

Addicore Pro Mini ATmega328P (Arduino Clone)

100pcs 5mm RGB Multicolor Slow Flashing LED Diode, Multi-Color Blinking Changing Light Emitting Diodes, 2 Pins Clear Round Lens Diffused Flicker Electronic Components Circuit Lights Kit(Slow Flashing) : Industrial & Scientific

Addicore

Diffused 5mm Fast Flashing RGB LED - 10 pack [Flashing Effect] : ID 680 : $4.95 : Adafruit Industries, Unique & fun DIY electronics and kits

100pcs 5mm RGB Multicolor Slow Flashing LED Diode, Multi-Color Blinking Changing Light Emitting Diodes, 2 Pins Clear Round Lens Diffused Flicker Electronic Components Circuit Lights Kit(Slow Flashing) : Industrial & Scientific

30132 (TCL77R-224H/12-24VDC) Indicator Dot, Single with Hood and Optional Flashing, 4 in dia, Red (12-24 VDC) LED Sign, Warning and Safety

5mm 4-Pin Diffused Common Anode RGB LED, 5mm LED, 4 Pin LED, Milky LED, Common Anode LED, Diffused RGB LED, Light Emitting Diode

Red LED 5mm Pack Of 5 (Light Emitting Diod)

5MM LED - BLUE - Shop JDS Labs

5mm LED - Blue 470nm 15 Degree Viewing Angle

10pcs 5MM 4pin Common Anode Diffused RGB Tri-Color Red Green Blue LED – Envistia Mall