Bluetooth 4.0 low energy BLE RF module with built-in ARM Cortex M0 microconroller for rapid development and prototyping projects
Allows easy use of MicroSD for access to gigabytes of external memory
Includes RFduino DIP, USB Shield, RGB LED/Button Shield, Servo Shield, Prototyping Shield, and Dual AAA Battery Shield
2 button inputs with 10k resistor pull downs and it also has an RGB LED with series LEDs
Includes Rfduino DIP, USB Shield, RGB LED/Button Shield, Servo Shield, PCB USB Shield, Prototyping Shield, Single and Dual AAA Battery Shields, CR2032 Battery Shield, Micro SD Shield and Dual Relay Shield
Includes Rfduino DIP, USB Shield, RGB LED/Button Shield, Servo Shield, PCB USB Shield, Prototyping Shield, Single and Dual AAA Battery Shields, CR2032 Battery Shield, Micro SD Shield and Dual Relay Shield
Includes Rfduino DIP, USB Shield, RGB LED/Button Shield, Servo Shield, PCB USB Shield, Prototyping Shield, Single and Dual AAA Battery Shields, CR2032 Battery Shield, Micro SD Shield and Dual Relay Shield