Super-bright 5mm IR LED (25 pack) [940nm] : ID 388 : Adafruit Industries, Unique & fun DIY electronics and kits
TSAL6100 Vishay, 940nm IR LED, 5mm (T-1 3/4) Through Hole package
Driving an Infrared Led directly from an Arduino Pin
uxcell 10pcs 5mm 940nm Infrared Emitter Diode DC 1.35V LED IR Emitter Light Emitting Diodes Clear Blue Round Head TSAL6200: Amazon.com: Industrial & Scientific
Visible LEDs (VIS) / Infrared LEDs - Tech-led.com
Driving an IR LED: constant current source or not – Arduino, ESP8266, ESP32 & Raspberry Pi stuff