The Human Theremin with ir distance sensor under Repository-circuits -47879- : Next.gr
QRE1113 Digital Linear Sensor DC 3.3V 5V IR LED Infrared Reflective Sensor Module Capacitor Discharge Circuit Breakout Board|Instrument Parts & Accessories| - AliExpress
ir led and phototransistor Simulation | All About Circuits
Infrared Detection
6. Free Space Optical Communication Link — elec2210 1.0 documentation
Infrared Detector Circuit using Phototransistor
5pair PT204 6B IR204 A Everlight Infrared Phototransistor and Everlight Infrared LED Lamp|phototransistor infrared|lamp lamplamp led - AliExpress
A LED or a phototransistor?! | Low voltage. Mostly harmless...
Long Range IR Transmitter
Photo Detector Circuits
Using IR LED and IR Phototransistor – Chumbaka Forum
arduino - Wiring an IR phototransistor - Electrical Engineering Stack Exchange
Photodiode, phototransistor and IR Sensor with arduino
bjt - IR Led & Phototransistor pair bandwidth issue - Electrical Engineering Stack Exchange