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title Arduino MKR WiFi 1010
weight 3

The Arduino MKR WiFi 1010 is a very small ARM development board based on the Microchip SAMD21 family of processors.

Peripherals and Drivers

You can also use the Espressif ESP-AT firmware, although you will need to flash it yourself. Please see the espat driver.

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

Pins

Pin Hardware pin Alternative names PWM
D0 PA22 NINA_TX TCC0 (channel 0)
D1 PA23 NINA_RX TCC0 (channel 1)
D2 PA10 I2S_SCK_PIN TCC1 (channel 0), TCC0 (channel 2)
D3 PA11 TCC1 (channel 1), TCC0 (channel 3)
D4 PB10 TCC0 (channel 0)
D5 PB11 TCC0 (channel 1)
D6 PA20 LED TCC0 (channel 2)
D7 PA21 TCC0 (channel 3)
D8 PA16 SPI0_SDO_PIN TCC2 (channel 0), TCC0 (channel 2)
D9 PA17 SPI0_SCK_PIN TCC2 (channel 1), TCC0 (channel 3)
D10 PA19 SPI0_SDI_PIN TCC0 (channel 3)
D11 PA08 SDA_PIN TCC0 (channel 0), TCC1 (channel 2)
D12 PA09 SCL_PIN TCC0 (channel 1), TCC1 (channel 3)
D13 PB23 RX0, UART_RX_PIN
D14 PB22 TX1, UART_TX_PIN
A0 PA02
A1 PB02
A2 PB03
A3 PA04 TCC0 (channel 0)
A4 PA05 TCC0 (channel 1)
A5 PA06 TCC1 (channel 0)
A6 PA07 I2S_SD_PIN TCC1 (channel 1)
USBCDC_DM_PIN PA24 TCC1 (channel 2)
USBCDC_DP_PIN PA25 TCC1 (channel 3)
NINA_SDO PA12 TCC2 (channel 0), TCC0 (channel 2)
NINA_SDI PA13 TCC2 (channel 1), TCC0 (channel 3)
NINA_CS PA14 TCC0 (channel 0)
NINA_SCK PA15 TCC0 (channel 1)
NINA_GPIO0 PA27
NINA_RESETN PB08
NINA_ACK PA28

Machine Package Docs

Documentation for the machine package for the Arduino MKR WiFi 1010

Installing BOSSA

In order to flash your TinyGo programs onto the Arduino MKR WiFi 1010 board, you will need to install the "bossac" command line utility which is part of the BOSSA command line utilities.

macOS

You can use Homebrew to install the BOSSA command line interface by using the following command:

brew install bossa

Or if you prefer, you can also download the installer from https://github.com/shumatech/BOSSA/releases/download/1.9.1/bossa-1.9.1.dmg

Once you have downloaded it, double click on the .dmg file to perform the installation.

Linux

On Linux, install from source:

sudo apt install libreadline-dev libwxgtk3.0-gtk3-dev
git clone https://github.com/shumatech/BOSSA.git
cd BOSSA
make
sudo cp bin/bossac /usr/local/bin

Windows

You can download BOSSA from https://github.com/shumatech/BOSSA/releases/download/1.9.1/bossa-x64-1.9.1.msi

VERY IMPORTANT: During the installation, you must choose to install into c:\Program Files. The installer might have the wrong path, so edit it to match c:\Program Files.

After the installation, you must add BOSSA to your PATH:

set PATH=%PATH%;"c:\Program Files\BOSSA";

Test that you have installed "BOSSA" correctly by running this command:

bossac --help

Flashing

Once you have installed the needed BOSSA command line utility, as in the previous section, you are ready to build and flash code to your Arduino MKR WiFi 1010 board.

CLI Flashing

  • Plug your Arduino MKR WiFi 1010 board into your computer's USB port.

  • Build and flash your TinyGo code using the tinygo flash command. This command flashes the Arduino MKR WiFi 1010 with the blinky1 example:

    tinygo flash -target=arduino-mkrwifi1010 examples/blinky1

  • The Arduino MKR WiFi 1010 board should restart and then begin running your program.

Troubleshooting

If you have troubles getting your Arduino MKR WiFi 1010 board to receive code, try this:

  • Press the "RESET" button on the board two times to get the Arduino MKR WiFi 1010 board ready to receive code.

  • Now try running the tinygo flash command as above:

    tinygo flash -target=arduino-mkrwifi1010 [PATH TO YOUR PROGRAM]

Once you have updated your Arduino MKR WiFi 1010 board the first time, after that you should be able to flash it entirely from the command line.

Notes

You can use the USB port to the Arduino MKR WiFi 1010 as a serial port. UART0 refers to this connection.