![Super-bright 5mm IR LED [940nm] : ID 387 : $0.75 : Adafruit Industries, Unique & fun DIY electronics and kits Super-bright 5mm IR LED [940nm] : ID 387 : $0.75 : Adafruit Industries, Unique & fun DIY electronics and kits](http://www.adafruit.com/images/480x360/387-01.jpg)
Super-bright 5mm IR LED [940nm] : ID 387 : $0.75 : Adafruit Industries, Unique & fun DIY electronics and kits
![Ekinglux 3mm Led 940nm Ir Led 3mm Infrared Led Diode Led 3mm Datasheet - Buy 3mm Infrared Led,Led 3mm Datasheet,3mm Led Sensor Product on Alibaba.com Ekinglux 3mm Led 940nm Ir Led 3mm Infrared Led Diode Led 3mm Datasheet - Buy 3mm Infrared Led,Led 3mm Datasheet,3mm Led Sensor Product on Alibaba.com](http://sc04.alicdn.com/kf/Hbaa8ab02de6348e09405087a6bde5865e.jpg)
Ekinglux 3mm Led 940nm Ir Led 3mm Infrared Led Diode Led 3mm Datasheet - Buy 3mm Infrared Led,Led 3mm Datasheet,3mm Led Sensor Product on Alibaba.com
![BOJACK LED Infrared Emitter and IR Receiver Diode, LEDs Infrared Emission and Receiver Tube for Arduino ï¼Ë†Pack of 10 Pairsï¼â€° : Amazon.in: Industrial & Scientific BOJACK LED Infrared Emitter and IR Receiver Diode, LEDs Infrared Emission and Receiver Tube for Arduino ï¼Ë†Pack of 10 Pairsï¼â€° : Amazon.in: Industrial & Scientific](https://m.media-amazon.com/images/I/3109Kp0HLaL.jpg)
BOJACK LED Infrared Emitter and IR Receiver Diode, LEDs Infrared Emission and Receiver Tube for Arduino ï¼Ë†Pack of 10 Pairsï¼â€° : Amazon.in: Industrial & Scientific
![batteries - 9V powering to the safest maximum brightness of 4 IR LEDs in series - Electrical Engineering Stack Exchange batteries - 9V powering to the safest maximum brightness of 4 IR LEDs in series - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/GFGGz.png)