【ART-Pi】ART PI ZIGBEE and LORA gateway expansion board

Function

1. It is equipped with a ZIGBEE module and cooperates with the WIFI module of the ART PI base plate to implement the ZIGBEE gateway;

2. It is equipped with a LORA module and cooperates with the WIFI module to implement the LORA gateway;

3. BC20 can communicate with Huawei Cloud, and can view the positioning location in real time on PC and mobile phones; the positioning principle is GPS + Beidou; the communication with Huawei Cloud uses NBIoT technology .

4. You can turn on/off the above modules through software.

hardware

1. ZIGBEE module, with all functional ports lead out, can realize ZIGBEE learning and application; communicate with ART PI through the serial port;

2. LORA module, with all functional ports lead out, can realize LORA learning and application; communicate with ART PI through SPI;

3. Equipped with BC20, with positioning function ;

4. IP5306 battery charging and discharging circuit realizes battery charging and discharging and battery power checking.

Port occupancy and functions

Ports occupied by ZIGBEE:

1. Serial port (USART2), PA2 (USART2_TX), PA3 (USART2_RX);

2. Reset control (RESET), PH3;

3. Working mode (AT/HEX) control, PH2;

4. Power control (ZIGBEE), PA6;

LORA occupied ports:

1. SPI4, PE2 (SPI4_SCK), PE4 (SPI4_NSS), PE5 (SPI4_MISO), PE6 (SPI4_MOSI);

2. Reset control (RST), PA7;

3. Transmitting and receiving status (RXTX), PC4;

4. Transmit enable (TXEN), PG14;

5. Receive enable (RXEN), PA0_C;

6. Power control (LORA), PA1_C;

BC20 occupied ports:

1. Serial port (USART1), PA9 (USART1_TX), PA10 (USART1_RX);

2. Reset control (NB_RST), PB1;

3. PSM control (NB_PSM), PB2;

4. Power control (NB_PWR), PB0;

Battery detection occupied port:

1. Detection enable (BAT_ADC_EN), PC2_C;

2. Detection port (BAT_ADC), PC3_C (ADC_C3).

Simulation diagram

physical effect