Intro to IR Circuits : 9 Steps (with Pictures) - Instructables
Amazon.com: Xiaoyztan 200 Pcs Infrared Diode DC 1.5-5V 80mA 0.1W LED IR 940nm Emission Diffuser : Industrial & Scientific
1W 350MA 3W 700MA 5V High Power Infrared Ray IR Remote Control Launch Module Launcher Transmitter Board 940nm LED for RC Toy DIY - AliExpress
Amazon.com: RGBZONE Mini 4 PIN RGB IR LED Controller 44 Keys for SMD 3528 5050 5630 RGB LED Strips DC 5V-24V, Adjust Speed/Brightness/Color/Scene : Video Games
Extend IR Led Range - Raspberry Pi Forums
Chanzon High Power Led Chip 10W Infrared (IR 940nm / Input 900mA / DC 4V - 5V / 10 Watt)
IR Emitter LED 940nm 5mm (5-Pack) - ProtoSupplies
IR Emitter LED 940nm 5mm (5-Pack) - ProtoSupplies
How to control IR led using ESP8266 (out pint at 3.3v) and MOSFET to obtain high IR range? - Electrical Engineering Stack Exchange
What is the output of an IR receiver LED (I mean voltage, current or variable resistance)? - Quora
Infrared Transmitter Module | Launcher Transmitter Board | Infrared Transmitter High - Parts & Accs - Aliexpress
Driving an IR LED: constant current source or not – Arduino, ESP8266, ESP32 & Raspberry Pi stuff
microcontroller - (Infrared LED Circuit) Can i use this circuit with 3.3v logic? - Electrical Engineering Stack Exchange