Alpha Dev Kit

1. Package list

Alpha Chip Evaluation Board
Arduino M0

2. Power Supply

Micro - USB
5v DC power supply

3. Operating Principle

1) Arduino

Arduino is an easy-to-use open source electronic prototyping platform that includes hardware (Arduino boards of various models) and software (Arduino IDE), https://www.arduino.cc/
Arduino language based on the development of communication language, easy to use, do not need too much microcontroller foundation, programming basis, simple learning, you can quickly develop.
Α The developer suite is based on Arduino M0 and the corresponding library is written and provides the sample code Github

2) Alpha Chip

Function：

Communicate with SENSORO α base station
BLE Radio
BLE Pass Through (Need Mobile SDK)
UART AT Command Control
Arduino or other main control board through the serial port to send AT commands and data to the chip, the control chip to the data sent to the cloud, or sent to the BLE transparent interface, or broadcast through the BLE broadcast data, the instructions see α Chip

3) Alpha Chip Evaluation Board

Function:

Integrated SENSORO α Chip, integrated temperature and humidity sensor
Standard Arduino interface, Arduino through the I2C interface control temperature and humidity sensor, read data
Serial port (UART) is compatible with Arduino series and ST Nucleo series, through the on-board toggle switch to switch other MCU platform developers can remove the alpha chip evaluation board, with DuPont line VCC, GND, TX, RX, wake up IO, reset IO, etc. to their own platform, refer to the document α chip to experiment
Reset button, you can manually reset the α transfer chip
Power status LED, wake-up status LED

4. Arduino M0 and Alpha Chip EVB Interface Table

1) α Chip Reset IO

ResetPin: D3

Active Low

2) UART, AT Command Communication

TX: D1
RX: D0

Note:
Toggle switch to the side of the silk screen 'ARDUINO'
Serial Select Serial1, baud rate 9600

3) Alpha Chip Wake Up IO, Status Indication IO

WakeUpPin:   A0
IndicatePin: A1


Wakeup IO falling edge active
When the chip is in the wake-up state, the status indicates that the IO output is high
When the chip is in sleep state, the status indicates that the IO output is low


note:
1. When the chip is in sleep state, the serial port is closed, this time does not respond to AT commands
2. When the chip receives BLE transparent data, it will automatically open the serial port, the data sent to the MCU through the AT command

4) I2C Port

SCL: SCL
SDA: SDA