Seeed XIAO BLE
The Seeed XIAO BLE is a tiny ARM development board based on the Nordic Semiconductor nrf52840 processor.
Interfaces
| Interface | Hardware Supported | TinyGo Support |
|---|---|---|
| GPIO | YES | YES |
| UART | YES | YES |
| SPI | YES | YES |
| I2C | YES | YES |
| ADC | YES | YES |
| PWM | YES | YES |
| USBDevice | YES | YES |
| Bluetooth | YES | YES |
Pins
| Pin | Hardware pin | Alternative names |
|---|---|---|
D0 | P0_02 | A0 |
D1 | P0_03 | A1 |
D2 | P0_28 | A2 |
D3 | P0_29 | A3 |
D4 | P0_04 | A4, SDA0_PIN |
D5 | P0_05 | A5, SCL0_PIN |
D6 | P1_11 | UART_TX_PIN |
D7 | P1_12 | UART_RX_PIN |
D8 | P1_13 | SPI0_SCK_PIN |
D9 | P1_14 | SPI0_SDO_PIN |
D10 | P1_15 | SPI0_SDI_PIN |
LED | P0_17 | LED_CHG |
LED1 | P0_26 | LED_RED |
LED2 | P0_30 | LED_GREEN |
LED3 | P0_06 | LED_BLUE |
SDA_PIN | P0_07 | SDA1_PIN |
SCL_PIN | P0_27 | SCL1_PIN |
LSM_PWR | P1_08 | |
LSM_INT | P0_11 | |
MIC_PWR | P1_10 | |
MIC_CLK | P1_00 | |
MIC_DIN | P0_16 |
Machine Package Docs
Documentation for the machine package for the Seeed XIAO BLE
Flashing
UF2
The XIAO BLE comes with the UF2 bootloader already installed.
CLI Flashing
Plug your XIAO BLE into your computer’s USB port.
Flash your TinyGo program to the board using this command:
tinygo flash -target=xiao-ble [PATH TO YOUR PROGRAM]The XIAO BLE board should restart and then begin running your program.
Troubleshooting
Add troubleshooting tips here.
Notes
You can use the USB port to the XIAO BLE as a serial port. UART0 refers to this connection.