Circuit Playground Bluefruit Bluetooth Low Energy

Circuit Playground Bluefruit is an advanced, wireless-enabled development board designed for beginners and professionals alike. It features the powerful nRF52840 Cortex M4 processor with Bluetooth® Low Energy support, enabling seamless wireless connectivity.

The round board provides 10 mini NeoPixels for vibrant multicolor lighting effects, a motion sensor (LIS3DH triple-axis accelerometer), temperature sensor, light sensor (phototransistor), sound sensor (MEMS microphone), a mini speaker with class D amplifier, and multiple buttons and switches for flexible input options.

With 8 alligator-clip friendly input/output pins and support for I2C, UART, analog inputs, and multiple PWM outputs, this board is ideal for various interactive projects. The built-in USB interface allows easy programming without the need for special adapters. Power options include USB, AAA battery pack, or LiPo battery for portable use.

• 1 x nRF52840 Cortex M4 processor with Bluetooth® Low Energy
• 10 x mini NeoPixels for customizable lighting
• Motion sensor with tap and free-fall detection
• Temperature sensor (thermistor)
• Light sensor (phototransistor) acting also as color and pulse sensor
• Sound sensor (MEMS microphone) and mini speaker
• 2 push buttons (A and B) and 1 slide switch
• 8 alligator-clip friendly input/output pins with I2C, UART, analog and PWM support
• 2 MB SPI Flash storage for CircuitPython code and libraries
• MicroUSB port for programming and debugging
• USB port supports serial, keyboard, mouse, joystick, and MIDI modes
• Green power LED and red #13 LED for basic functionalities
• Compact 50.6mm diameter, weighing just 8.9g

Note: Compatible with Arduino and CircuitPython; MakeCode support is not available at this time.