![uxcell 10pcs 3mm 850nm Infrared Emitter Diode DC 1.5V LED IR Emitter Light Emitting Diodes Clear Round Head uxcell 10pcs 3mm 850nm Infrared Emitter Diode DC 1.5V LED IR Emitter Light Emitting Diodes Clear Round Head](https://m.media-amazon.com/images/I/51Jnig1tYkL._AC_UF350,350_QL80_DpWeblab_.jpg)
uxcell 10pcs 3mm 850nm Infrared Emitter Diode DC 1.5V LED IR Emitter Light Emitting Diodes Clear Round Head
![LTSpice 2 Transistor Constant Current IR LED Driver Circuit for LED strings. #circuit #ltspice #led - YouTube LTSpice 2 Transistor Constant Current IR LED Driver Circuit for LED strings. #circuit #ltspice #led - YouTube](https://i.ytimg.com/vi/FMYyYteFu-o/sddefault.jpg)
LTSpice 2 Transistor Constant Current IR LED Driver Circuit for LED strings. #circuit #ltspice #led - YouTube
![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)
batteries - 9V powering to the safest maximum brightness of 4 IR LEDs in series - Electrical Engineering Stack Exchange
![Super-bright 5mm IR LED [940nm] : ID 387 : Adafruit Industries, Unique & fun DIY electronics and kits Super-bright 5mm IR LED [940nm] : ID 387 : Adafruit Industries, Unique & fun DIY electronics and kits](https://cdn-shop.adafruit.com/970x728/387-01.jpg)