The T-LoRa Pager measures 106 x 89 x 23mm (4.2″ x 3.5″ x 0.9″), making it smaller than most modern smartphones. It has 2.33 ...

If you’re looking to get started using Bluetooth on the ESP32, then this simple wireless macro keypad from [Brian Lough] would be a great way to get started. From a hardware standpoint ...

But this model is powered by a modern, low-power ESP32-S3 processor (with two low-power Xtensa LX7 32-bit microprocessors running at 240 MHz and support for WiFi 4 and Bluetooth 4.2 LE.