This week we’re building on last week’s Machine Learning project where we run the MobileNet v2 1000-object detector on the Raspberry Pi 4 + BrainCraft HAT (video). This time we’re running MobileNet V2 SSD Lite, which can do segmented detections. in this case it has only 90 objects it can detect but it can draw a box around the objects found. That’s displayed on the 1.5″ TFT on the HAT for human verification. This model’s not as fast as the non-segment object detector, about 1.5 fps. We might be able to speed that up by running TensorFlow Lite instead of full TF – we’ll work on that next!
Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.
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