![Amazon.com: EDGELEC 100pcs 5mm Blue Lights LED Diodes (Blue Lens) Diffused Round Lens 29mm Long Lead (DC 3V) +100pcs Resistors (for DC 6-12V) Included,Bulb Lamps Light Emitting Diode : Industrial & Scientific Amazon.com: EDGELEC 100pcs 5mm Blue Lights LED Diodes (Blue Lens) Diffused Round Lens 29mm Long Lead (DC 3V) +100pcs Resistors (for DC 6-12V) Included,Bulb Lamps Light Emitting Diode : Industrial & Scientific](https://m.media-amazon.com/images/I/61-wo8pDIaL.jpg)
Amazon.com: EDGELEC 100pcs 5mm Blue Lights LED Diodes (Blue Lens) Diffused Round Lens 29mm Long Lead (DC 3V) +100pcs Resistors (for DC 6-12V) Included,Bulb Lamps Light Emitting Diode : Industrial & Scientific
![Super Bright Blue 5mm LED (25 pack) : ID 301 : $8.00 : Adafruit Industries, Unique & fun DIY electronics and kits Super Bright Blue 5mm LED (25 pack) : ID 301 : $8.00 : Adafruit Industries, Unique & fun DIY electronics and kits](http://www.adafruit.com/images/480x360/301-00.jpg)
Super Bright Blue 5mm LED (25 pack) : ID 301 : $8.00 : Adafruit Industries, Unique & fun DIY electronics and kits
![How do I calculate what resistors I need for RGB LEDs with 3.7V? - Electrical Engineering Stack Exchange How do I calculate what resistors I need for RGB LEDs with 3.7V? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/cLqnz.jpg)
How do I calculate what resistors I need for RGB LEDs with 3.7V? - Electrical Engineering Stack Exchange
![Amazon.com: EDGELEC 100pcs 5mm Blue Lights LED Diodes (Blue Lens) Diffused Round Lens 29mm Long Lead (DC 3V) +100pcs Resistors (for DC 6-12V) Included,Bulb Lamps Light Emitting Diode : Industrial & Scientific Amazon.com: EDGELEC 100pcs 5mm Blue Lights LED Diodes (Blue Lens) Diffused Round Lens 29mm Long Lead (DC 3V) +100pcs Resistors (for DC 6-12V) Included,Bulb Lamps Light Emitting Diode : Industrial & Scientific](https://m.media-amazon.com/images/I/41pmyHteBrL._AC_.jpg)
Amazon.com: EDGELEC 100pcs 5mm Blue Lights LED Diodes (Blue Lens) Diffused Round Lens 29mm Long Lead (DC 3V) +100pcs Resistors (for DC 6-12V) Included,Bulb Lamps Light Emitting Diode : Industrial & Scientific
![Amazon.com: EDGELEC 100pcs 5mm Blue Lights LED Diodes Clear Round Lens 29mm Long Lead (DC 3V) +100pcs Resistors (for DC 6-12V) Included, Bright Bulb Lamps Light Emitting Diode : Industrial & Scientific Amazon.com: EDGELEC 100pcs 5mm Blue Lights LED Diodes Clear Round Lens 29mm Long Lead (DC 3V) +100pcs Resistors (for DC 6-12V) Included, Bright Bulb Lamps Light Emitting Diode : Industrial & Scientific](https://m.media-amazon.com/images/I/61yEMmKjMEL.jpg)