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.