SparkFun Thing Plus - ESP32-C5 is an Adafruit Feather-compatible board with dual-band WiFi 6, BLE, 802.15.4 radio, and LiPo battery support ...
It's why DIY smart home projects suddenly got cheap (and actually doable) ...
There are plenty of drones (and other gadgets) you can buy online that use proprietary control protocols. Of course, reverse-engineering one of these protocols is a hacker community classic. Today, ...