BBC micro:bit v1

Dev Board
BBC micro:bit v1

Pocket-sized educational microcontroller with nRF51822, 5×5 LED matrix, accelerometer, magnetometer, Bluetooth LE, 2 buttons, and 19 I/O pins. Designed for teaching coding to children and beginners vi

Nordic nRF51822 ARM Cortex-M016 KB256 KBBLE Bluetooth 4.0 LE
~$15View

Raspberry Pi Zero WH

Dev Board
Raspberry Pi Zero WH

Raspberry Pi Zero W with pre-soldered 40-pin GPIO headers. BCM2835 single-core 1GHz ARM11, 512MB RAM, built-in 802.11 b/g/n WiFi (BCM43143), Bluetooth LE, Mini HDMI, Micro USB, and MicroSD. No solderi

Broadcom BCM2835 ARM11 single-core512 MBN/A (MicroSD card)WiFi 802.11 b/g/nBLE Bluetooth 4.0 LE
~$16View

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More to explore — popular traits shared by devices with Bluetooth: Bluetooth 4.0 LE.