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Check out this open source CircuitPython game development platform based on the ARM M4 microcontroller. If you're looking to do some homebrew game development on a handheld platform, this is a great option. In this video I give an overview of the hardware itself and show how the CircuitPython programming environment works on it along with some basic programming examples. For more information check out the Hackaday page and the Makerfabs product info page.

Recently I've gotten into low-power RF technology and have become quite the fan of the nRF52 SoC for that reason. Of all the BLE-capable chips I've used so far these ones reign supreme in terms of functionality and ultra-low power consumption. One of the more interesting boards I've seen powered by them is the nRF52840 dongle , directly from Nordic Semiconductor. It's tiny, well constructed, and supports a very nice set of specs: 64 MHz Cortex-M4F 1 MB Flash 256 KB RAM 2.4 GHz Transceiver (supports Bluetooth 5 with long range) In this video I introduce the Nordic nRF SDK for programming these dongles:

Today I'm playing around with a Nordic Thingy:52 Bluetooth 5 development kit from Nordic Semiconductor.