5V via Micro-USB, 3xAAA battery, or LiPo
1 device
Circuit Playground Bluefruit
Educational Board
Round educational microcontroller with Nordic nRF52840 (64MHz Cortex-M4F + BLE), 10 NeoPixels, accelerometer, microphone, light sensor, speaker, 8 alligator-clip I/O pads, and USB. Runs CircuitPython,
ARM Cortex-M4F @ 64MHz (Nordic nRF52840)256KB SRAM1MB + 2MB SPI FlashWiFi falseBLE Bluetooth 5.0 BLE (nRF52840)Zigbee falseEthernet false
~$25View
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