Three sets of holes made for ultrasonic SR-04 distance sensors and a quick coat of Matt black so the spacer sorta matches the body.
A project log for Invisible QR Code Navigation for Robots 2020
Cheap UV invisible QR codes for indoor navigation of robotics. Print labels from Inkjet Printer and read with a normal camera.
Three sets of holes made for ultrasonic SR-04 distance sensors and a quick coat of Matt black so the spacer sorta matches the body.
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