Driving IR led from 3.3V GPIO using 2N2222 transistor - Electrical Engineering Stack Exchange
20 pairs, 0603 SMD, 940nm IR LED Pair, Emitting Diode SIR1921C and Phototransistor PT1921B - AliExpress
SFH 4855 ams OSRAM, 860nm IR LED, TO-18 Through Hole package | RS
Driving an IR LED: constant current source or not – Arduino, ESP8266, ESP32 & Raspberry Pi stuff
transistors - Power efficient IR LED driver for ATmega328p - Electrical Engineering Stack Exchange
arduino - IR LED with transistor - Electrical Engineering Stack Exchange
Max Power IR LED Kit - Old Version - KIT-10662 - SparkFun Electronics
5MM INFRARED LED RECEIVER
Supla universal IR emitter for 8 codes - supla.org
Infrared Proximity Sensor Using Transistors - IR LED
Wiring | Internet of Things Infrared Remote | Adafruit Learning System
Best IR LED Circuit - LEDs and Multiplexing - Arduino Forum
Intro to IR Circuits : 9 Steps (with Pictures) - Instructables
IR LED Pinout, Features, Uses & Datasheet
5mm IR Infrared LED Pair Receiver Transmitter 3mm Photo Diode RX Photo Transistor TX
5mm IR LED Infrared Receiver Light Emitting Diode - RAM Electronics
Extend IR Led Range - Raspberry Pi Forums
PI zero and IR circuits | Details | Hackaday.io
IR Sensor | Basics, Types, Circuit, Working, Projects, FAQs
Vishay Infrared LED (IR Emitter) 5mm for Wii Whiteboard Pen IR USA: Amazon.com: Industrial & Scientific
Source IR LED Sensor and Opto-transistor combined receiver DQIR-38353G6 on m.alibaba.com
BBOHSJ Pack of 10 3 mm 5 mm IR LED Diode Transimitter Receiver 940 nm Infrared Photo-Transistor Emitter Lights Emitting Bulb Easy to Store (Colour: 3 mm 940 nm Receiver) : Amazon.de: Business, Industry & Science
Should I switch IR leds with transistors? - Quora
PT333B 5mm Infrared Photo Transistor
Driving an Infrared Led directly from an Arduino Pin
