Six Pack 5mm LDR Light Sensor With LM393 Digital DO And Analog AO Output For Arduino Raspberry Pi ESP32 3.3 to 5V Compatible Photoresistor 5516 3 Pin Module
✔️ Six-pack LDR module with LM393 DO & AO outputs, 3.3-5V compatibility
This blue, three-pin LDR module pairs a 5mm photoresistor (5516) with an LM393 comparator to deliver a clean digital DO output and an optional analog AO output. It runs on 3.3-5V and is great for Arduino, Raspberry Pi, and ESP32 projects.
✅ 5mm LDR photoresistor (5516) with LM393 comparator
✅ Digital DO output with clean signal and strong drive (>15 mA)
✅ Optional analog AO output for light level measurement
✅ Potentiometer-adjustable threshold for ambient light detection
✅ Pack of 6 blue 3-pin modules, 3.3-5V compatible
💡 What is a photoresistor module used for in hobby electronics?
These handy light-sensing boards help automate lighting, exposure control, and ambient-light monitoring in simple microcontroller projects.
- Handy for Arduino, Raspberry Pi, ESP32 projects needing light thresholding
- Digital DO output plus optional analog AO read for flexible designs
- Works from 3.3 to 5V and installs in minutes