PMW3901 Optical Flow Sensor
A downward camera sensor that measures horizontal movement over the ground, for holding position without GPS. From Holybro's specification: Sensing element: PMW3901; Measures: Optical flow, for horizontal velocity; Interface: UART, 19200 baud; 95 Hz frame rate. Holybro part number 19005.
Key specifications
- Measures
- Optical flow, for horizontal velocity
- Sensing element
- PMW3901
- Interface
- UART, 19200 baud; 95 Hz frame rate.
Before you order: Check the height range it works over and whether it needs a separate distance sensor.
- Part number
- 19005
- Type
- Optical flow
- Manufacturer's range
- Holybro Sensors
Includes GST and delivery in India
Imported to order. Lead time confirmed with your quotation.
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Specifications
| Manufacturer | Holybro |
| Holybro SKU | 19005 |
| Product type | Sensor |
| Product line | Optical Flow Sensor |
| Category | Sensors |
| Sensing element | PMW3901 |
| Measures | Optical flow, for horizontal velocity |
| Interface | UART, 19200 baud; 95 Hz frame rate. |
Price and supplied configuration
- SKU
19005- Price
- ₹10,161.84
Prices are in rupees. Includes GST and delivery in India. Delivery and returns
Documentation
Checked against the manufacturer's published figures: holybro.com/…/pmw3901-optical-flow-sensor (opens in a new tab) (read 26 September 2026).
Not yet in our listing: range. Check the manufacturer's documentation above, or ask us for the datasheet.
Questions buyers ask
How does it connect?
UART, 19200 baud; 95 Hz frame rate.
Where is the datasheet?
The manufacturer's own page for this part is linked under Documentation on this page; its datasheet and downloads, where the manufacturer publishes them, are there. We also send the datasheet and any drawings with your quotation.
Can I return it?
Yes, within 30 days of delivery, if it is unused and in its original packaging. You pay the return shipping, and we refund 90% of the price after checking the part.
Compare with other optical flow
The manufacturers’ figures for this part and the ones most like it, on the rows they publish. — Not specified
| Product | Interface |
|---|---|
| PMW3901 Optical Flow Sensor this page | UART, 19200 baud; 95 Hz frame rate. |
| H-Flow | DroneCAN; Pixhawk-standard 4-pin JST GH CAN connector. |
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PMW3901 Optical Flow Sensor
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