QTRX-HD-31RC Reflectance Sensor Array: 31-Channel, 4mm Pitch, RC Output, Low Current SF_Raspberry Pi Accessories It uses the time of

It uses the time of flight (ToF) of invisible

We also toss in some header so you can solder it in and plug into a solderless breadboard

XL-MaxSonar-EZ0

Light-Duty

and it can actively detect the closed-loop and correct map

QTRX-HD-31RC Reflectance Sensor Array: 31-Channel, 4mm Pitch, RC Output, Low Current SF_Raspberry Pi Accessories It uses the time ofpitch sensors size (mm) output max current optimal range LEDs board 4mm31 125. 0 16. 5 RC (digital) 3. 5 mA 68 mA 10 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 and separate controls for the odd and even emitters. In general, the closer the object, the higher the