BLE Micro is a Tiny Bluetooth 4.0 Development Board
https://www.electronics-lab.com/ble-micro-is-a-tiny-bluetooth-4-0-development-board/
DFRobot Bluno is a Bluetooth 4.0 LE development board following Arduino UNO form factor, and powered by TI CC2540 chipset. The board sells for $24.90 on their online store, and the company provides firmware and mobile app source code, but if you ever wanted a similar solution in a much smaller form factor, and powered […]