1. Nordic nRF51822
-16 MHz 32-bit ARM Cortex-M0 microcontroller
-Bluetooth 4.0 low energy/2.4GHz RF SoC
-16kB RAM
-256kB Flash
2. Freescale KL26Z – 48 MHz ARM Cortex-M0+ MCU
3. Compass – Freescale MAG3110 3-axis magnetometer, I2C interface
4. Accelerometer – Freescale MMA8652 3-axis accelerometer, I2C interface
5. Power connector – 3V power supply
6. Reset button – reset the system
7. Micro USB connector – for connecting PC, download code, serial communication, etc.
8. 5*5 LED display -5*5 LED grid
9. Button A/B * programmable buttons
10. I/O connection pins * 5 I/O rings and 20-pin edge connector, including SPI, UART, I2C, Analog, PWM, etc.
11. Dimensions – 5cm * 4cm
1. Nordic nRF51822
-16 MHz 32-bit ARM Cortex-M0 microcontroller
-Bluetooth 4.0 low energy/2.4GHz RF SoC
-16kB RAM
-256kB Flash
2. Freescale KL26Z – 48 MHz ARM Cortex-M0+ MCU
3. Compass – Freescale MAG3110 3-axis magnetometer, I2C interface
4. Accelerometer – Freescale MMA8652 3-axis accelerometer, I2C interface
5. Power connector – 3V power supply
6. Reset button – reset the system
7. Micro USB connector – for connecting PC, download code, serial communication, etc.
8. 5*5 LED display -5*5 LED grid
9. Button A/B * programmable buttons
10. I/O connection pins * 5 I/O rings and 20-pin edge connector, including SPI, UART, I2C, Analog, PWM, etc.
11. Dimensions – 5cm * 4cm
