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Detect Nearby Objects Without Contact
The Light Ambient and Proximity Sensor APDS9900 is a light sensor with digital output designed for light logging, auto-brightness control, and optical sensing. It is a practical fit for makers, students, and engineers who want reliable sensor data in embedded builds.
Key details include Interface: Digital GPIO.
Why you’ll love it
- Easy wiring: Digital GPIO
- Maker-friendly build: Easy to use in prototypes, classroom projects, and custom electronics
- Common controller support: Works well with Arduino, ESP32, Raspberry Pi, and similar boards
- Project-ready sensing: obstacle detection, touchless triggers, object counting, and simple automation
Compare with similar products
| Product | Sensor style | Standout |
|---|---|---|
| Light Ambient and Proximity Sensor APDS9900 | light sensor with digital output | Current item |
| Proximity Light VCNL4010 Sensor | light sensor with I2C | model VCNL4010 |
| Capacitive Proximity Sensor LJC18A3-H-Z / BY | proximity presence sensor module with digital output | model LJC18A3-H-Z |
| Proximity Inductive 4MM Metal Sensor LJ12A3-4-Z/BY | proximity presence sensor module with digital output | model 4MM |
What you can build
This sensor is a good fit for light meters, line followers, UV monitors, auto-brightness systems, and optical experiments.
Starter bundles
Pair it with an Arduino-compatible board, ESP32, or Raspberry Pi, plus a breadboard and jumper wires for quick setup and testing.
Recommended add-ons
Useful add-ons include a microcontroller board, jumper wires, and pull-up or pull-down support when needed, depending on how you plan to power, mount, and log the sensor.
Technical specifications
| Product | Light Ambient and Proximity Sensor APDS9900 |
|---|---|
| Interface | Digital GPIO |
| Category | proximity presence sensors |
Wiring & usage notes
Connect power and ground, then wire the output pin to a digital GPIO input. Check whether the module uses active-high or active-low logic in your code.
What’s in the box
1 × Light Ambient and Proximity Sensor APDS9900
Frequently Asked Questions
What does the Light Ambient and Proximity Sensor APDS9900 measure?
It is designed to measure nearby objects, remote IR signals, or motion.
Can I use it with Arduino, ESP32, or Raspberry Pi?
Yes. It is well suited for common maker and embedded platforms, as long as you power it at the correct voltage and match the signal level to your controller.
How do I connect this Digital GPIO sensor?
This sensor provides a digital switching-style signal that is easy to read from a GPIO pin.
What affects accuracy?
Power quality, wiring, mounting, target material, and the real environment can all affect the reading. It is best to test and calibrate in the final setup.
Is it good for prototyping?
Yes. It is a practical choice for learning, proof-of-concept builds, and small automation projects.
Manila stock. Order before 16:00 PHT, ships today via J&T or LBC. Provincial: 1–3 working days.
Schools / class POs: we accept Purchase Orders for accredited schools and universities. contact us with your PO details.
Returns: 7-day inspection window for DOA units. Email proof of issue and we ship a replacement.
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