Bringing speech recognition to the low-power microcontroller you’d find in an Arduino sounds like the work of a mad scientist or Ph.D. candidate, but that’s exactly what [Arjo Chakravarty] did.

The camera called Pixy has an Omnivision OV9715 1/4-inch image sensor with 1280×800 resolution. It also incorporates an NXP LPC4330 dual-core ARM processor that can process images at 50 frames per ...

As a test case, an Arduino Nano 33 BLE Sense was employed to build a demonstration device. Using only the onboard 9-axis motion sensor, the team built an untethered gesture recognition controller.