HD-S107 ambient-light sensor for LED displays
The Huidu HD-S107 brightness sensor connects to a compatible LED display control system. It measures changes in surrounding light so the controller can adjust screen brightness automatically, rather than relying only on a fixed manual setting.
HD-S107 technical parameters
| Function | Ambient-light sensing for automatic LED display brightness adjustment |
|---|---|
| Working temperature | −25°C to +85°C |
| Brightness range | 1%–100%, as stated in the specification |
| High sensitivity | One data reading every 5 seconds |
| Medium sensitivity | One data reading every 10 seconds |
| Low sensitivity | One data reading every 15 seconds |
| Standard cable length | 1,500 mm |
| Probe cable connector | XS10JK-4P/Y keyed aviation connector |
Values follow the linked V3.0 specification. The stated 1%–100% brightness range is not a lux measurement range; no lux range is provided in that document.
Compatibility and mounting
The product listing identifies use with the C16C and names Huidu D15, D35, C15, C35, A30, A30+ and A60X controllers. Check the actual sensor interface and firmware before ordering.
The PDF shows installation through a prepared cabinet opening using the supplied sealing gasket, ring and nut. Align the keyed connector before attaching the cable, then connect its other end to the supported sensor interface on the player or control card. Follow the mounting diagram in the PDF; a specific IP protection rating is not stated.
Product image

Frequently asked questions
Does the HD-S107 adjust LED brightness automatically?
It senses surrounding light and sends data to a compatible LED control system so screen brightness can change with ambient conditions. The controller must support and be configured for the sensor.
How often does it read the ambient light?
The specification lists readings every 5 seconds at high sensitivity, 10 seconds at medium sensitivity and 15 seconds at low sensitivity.
Can I use the sensor with a C16C controller?
The existing product listing identifies C16C use and also names D15, D35, C15, C35, A30, A30+ and A60X. Confirm the controller revision, sensor connection and firmware before installation.
How long is the supplied connection cable?
The specification states a standard wiring length of 1,500 mm. Confirm the supplied cable if your installation needs a different length.





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