# POLOLU QTRX-HD-04RC REFLECTANCE SENSOR ARRAY | Sensor: distance; reflective; 2.9?5.5VDC; digital; Ch: 4; 17x20mm

**Manufacturer:** POLOLU  
**MPN:** `QTRX-HD-04RC REFLECTANCE SENSOR ARRAY`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | POLOLU |
| Manufacturer name | POLOLU |
| Manufacturer | POLOLU |
| CategoryL1 | Robotics and Prototyping |
| CategoryL2 | Sensor Modules |
| CategoryL3 | Distance Sensors |
| Extra Product Name | POLOLU QTRX-HD-04RC REFLECTANCE SENSOR ARRAY \| Sensor: distance; reflective; 2.9?5.5VDC; digital; Ch: 4; 17x20mm |
| atoms | 1 |
| jsonUrlData | 6d80948a7eca39220c269282980870c8. |
| jsonUrlData2 | 266079668d928c56e0c7 |
| keywords | POLOLU, QTRX-HD-04RC REFLECTANCE SENSOR ARRAY, POLOLU-4304 |
| moq | 1 |
| MPN | QTRX-HD-04RC REFLECTANCE SENSOR ARRAY |
| multiple | 1 |
| qtyInStock | 4 |
| SKU | POLOLU-4304 |
| snippet | POLOLU QTRX-HD-04RC REFLECTANCE SENSOR ARRAY \| Sensor: distance; reflective; 2.9?5.5VDC; digital; Ch: 4; 17x20m |
| Type of sensor | distance |
| Kind of sensor | reflective |
| Interface | digital |
| Number of channels | 4 |
| Board dimensions | 17x20mm |
| Number of digital outputs | 4 |
| Manufacturer series | HD |
| Information | product is not a working device, but only component |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| TME | POLOLU-4304 |  |  | 4 | 1 |

---
Structured data: `/python/html6/product/500/217000000/217081500/part_--QTRXHD04RCREFLECTANCESENSORARRAY---POLOLU--094e89c723.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp