microcontroller - Using a LED like a photodiode to measure light - Electrical Engineering Stack Exchange
IR Emitter and Receiver- 38KHz - TL1838 / 4838 - 5mm LED PhotoDiode - CanHobby | eBay
LED / photodiode with optical connection by CCCS - CircuitLab
Photodiodes and Powerful LEDs from Jenoptik | Jenoptik USA
Sensors | Free Full-Text | Advances in Optical Based Turbidity Sensing Using LED Photometry (PEDD) | HTML
Amplifier with led and photodiode
How to Use LEDs to Detect Light - Make:
Light sensor using photodiode and opam
comparator - How to light an LED controlled by a photo-diode - Electrical Engineering Stack Exchange
Difference Between LED and Photodiode (with Comparison Chart) - Electronics Desk
LED Sensing
Circuit diagram of (a)LED light source and (b) photodiode circuit | Download Scientific Diagram
Solved IR LED R1 150 Ω W R2 10 ΚΩ W Photodiode R3 10 ΚΩ ww | Chegg.com
Schematic showing how the LED and photodiode work in parallel to... | Download Scientific Diagram
IR-Photo Diode Sensor | forElectronics
Here's an easy way to use an LED as a photodiode — Parallax Forums
Photodiode Chip Design
Mitigating bright ambient light in heart rate monitors - Embedded.com
Intro to IR Circuits : 8 Steps (with Pictures) - Instructables
NIR LED and photodiode placement | Download Scientific Diagram
Color Sensor from a Reversed LED and Op Amp - Robot Room
IR-Photo Diode Sensor | forElectronics
What is LED, Difference between LED & Photodiode?
Difference between LED and Photodiode (with comparison chart) - Electronics Coach
Difference Between Light Emitting Diode and Photodiode | Differences
