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QTR-8A reflectance sensor array- analog - Pololu 960
Strap of the eight reflecting sensors with analog outputs. It is powered with the voltage of 5 V or 3.3 V.
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Specification:
- Number of sensors: 8
- Dimensions: 75 x 127 x 4 mm
- Supply voltage: 5 V or 3.3 V
- Consumption of current: under 100 mA
- Output signal: analog
- Output voltage range: 0 V for supply voltage
- The optimal distance for measurement: 3 mm
- The maximum distance for measurement: 6 mm
- Weight: about 3 g (without connectors)
The strap can be used in robots such as linefollower (detecting the position of the line). It has a built-in MOSFET transistor that allow to disable the sensors to save energy, or change the intensity of illumination of the infrared LEDs.
Botland is an official distributor of Pololu electronics and robotics parts. Countless robots hold at least one component of this brand in their build. Our team guarantees that all Pololu products presented here are original.
There are several methods to use the output signals, e.g.:
- built-in into microcontroller, comparator or ADC converter to measure voltages
- using the analog comparator and the reading of the measurements in the digital form
The strap can be used via the moduleof Arduino by connecting the outputs of the sensors to the analog inputs.
If necessary, the module can be divided into two independently operating straps, just likeon the picture below:
The division requires the soldering of the only one supplied resistor.
Diagram of the module:
Useful links
| Name | Value |
|---|---|
| Width | 10.3 cm |
| Height | 0.1 cm |
| Depth | 10 cm |
| Weight | 0.006 kg |
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30 days to return, without giving a reason
If the product does not meet your expectations, you have 30 days from receiving the parcel to withdraw from the contract. The product only has to be complete. The right of return belongs to consumers (a purchase unrelated to business activity).
Complaints
If the product turns out to be faulty, you can make a claim under the guarantee or the statutory warranty. We handle claims without delay, at the latest within 14 working days of receiving the report together with the goods.
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Product information
This product is a component intended for further assembly or prototyping. It is not a finished product within the meaning of the product safety regulations.
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