arduino › sensor module
generic LDR Light-Dependent Resistor Breakout
Cheap, reliable, but just a relative reading — for actual lux use a TSL2591 or BH1750. Pair with a 10k pull-down resistor.
Specifications
- interface
- analog
- voltage v
- 3v3_or_5v
- library arduino
- none (analogRead)
- accuracy
- indicative only
- range
- 1k-1Mohm 1lux-100lux
- pin count
- 2
Sources
- SparkFun open product catalog · ingest 2026-05-06