QTR-MD-04RC Reflectance Sensor Array: 4-Channel, 8mm Pitch, RC Output
|pitch × sensors||size
|8 mm × 4||29.0 × 20.0||RC (digital)||30 mA||62 mA||5 mm|
This array of IR LED/phototransistor pairs is great for precisely identifying changes in reflectance (like line detection). It operates from 2.9 V to 5.5 V and offers dimmable brightness control independent of the supply voltage. In general, the closer the object, the higher the contrast between light and dark readings, but high-reflectance objects are generally detectable out to around 40 mm. This version features the traditional-style QTR sensors without lenses.
Alternatives available with variations in these parameter(s): sensor type sensor count sensor pitch output type
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23 August 2018
All the student engineering interns we had over the summer from out-of-town colleges are headed back to school, so I get to announce the release of...