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Documents Arduino MKR WiFi 1010 Pinout, SAMD21 Pin Mapping, Tech Specs, EAGLE Files, Github, Schematics, Reference Links, FAQ, and More!
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  • Author Author: tariq.ahmad
  • Date Created: 10 Sep 2018 9:35 PM Date Created
  • Last Updated Last Updated: 6 May 2019 4:58 PM
  • Views 11132 views
  • Likes 6 likes
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Arduino MKR WiFi 1010 Pinout, SAMD21 Pin Mapping, Tech Specs, EAGLE Files, Github, Schematics, Reference Links, FAQ, and More!

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Released on Arduino Day 2018,Arduino MKR Wifi 1010 board provides low-power energy consumption and simplifies prototyping of WiFi based IoT applications.  It features a Microchip AT SAMD21, 48 Mhz 32 bit MO+ ARM Cortex low power processor. Its the same SAMD21 as the MKR 1000, MKR Zero, and Arduino/Genuino Zero boards.

 

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Arduino MKR WiFi 1010:

 

Product NameQuantity
Arduino MKR WiFi 1010 Development Board1Buy NowBuy Now

 

 

Arduino MKR Shields:

 

Product NameQuantity

Arduino MKR SD Proto Shield

1Buy NowBuy Now

Arduino MKR CAN Shield

1Buy NowBuy Now

Arduino MKR Relay Proto Shield

1Buy NowBuy Now

Arduino MKR Connector Carrier

1Buy NowBuy Now

Arduino MKR MEM Shield

1Buy NowBuy Now

Arduino MKR 485 Shield

1Buy NowBuy Now
Arduino MKR ETH Shield1Buy NowBuy Now
Arduino MKR Proto Shield1Buy NowBuy Now
Arduino MKR Proto Large Shield1Buy NowBuy Now

 

 

The Arduino MKR 1010 uses the same pin mapping as the MRK 1000:

 

          imageimage

 

 

Power Pins:

  • Li-Po (3.7V) - You can power the board by connecting a Lithium polymer battery (shown to the right) with a nominal voltage of 3.7.
  • Vin - The board can be powered by a regulated 5V supply with a maximum voltage of 6V for this Pin.
  • 5V - When the board is powered by USB, you can use this pin get +5V to power other circuit
  • Vcc - This pin uses the on board regulator IC to output a regulated 3.3V
  • GND - Ground Pins

 

Reset Pin - Bring this line LOW to reset the microcontroller. Typically used to add a reset button to shields which block the one on the board.

 

Analog Pins (Pins A0-A06) - The 7 analog pins are used to emasure analog voltage in the range 0- 3.3V with a resolution of 10 bit.

 

DAC0 Pin - The DAC pin is just above the Analog Pins and is used provide an analog voltage based in the digital input with a resolution of 10bit.

 

Digital I/O Pins (Pins 0-14) - Below the analog pins on the left and just below the reset are digital pins that can be used as either input or output pins.  Low is at 0V and high is at 3.3V.

 

Serial Rx, Tx Pins (Pins 13, 14) - Pins 13 and 14 are used to Receive (Rx) and Transmit (Tx) TTL serial data. These pins are connected to the corresponding pins of the FTDI USB-to-TTL serial chip.

 

External Interrupts (Pins 0,1, 4, 5,6, 7, 8, A1, A4) - These pins can be used to trigger an interrupt on a low value, a rising or falling edge, or a change in value. See attachInterrupt()function for details.

 

PWM Pins (Pins 0, 1, 2, 3, 4, 5, 6, 7, 8, 10, A3, A4) - These pins provide 8-bit PWM output with the analogWrite () function.

 

SPI (Pin 8 - MOSI, Pin 9 - SCK, Pin 10 - MISO) -  These pins support SPI Communication

 

LED - There is a built-in LED connected to digital pin 13. When the pin is HIGH value, the LED is on, when the pin is LOW, it's off.

 

I2C Pins (Pin 11 is SDA and Pin 12 is SCL) -  Pin 11 (SDA) and Pin 12(SCL)  support I2C (TWI) communication using the Wire library (documentation on the Wiring website).

 

AREF Pin - Reference voltage for the analog inputs. Used with analogReference().

 

 

The low power, high performance ARM Cortex-MO+ is ideal for a wide range of home automation, consumer, metering, and industrial applications. Its the same SAMD21 as the MKR 1000, MKR Zero, and Arduino/Genuino Zero boards. A unique feature of the SAMD21 chip is SERCOM, a set of six configurable serial interfaces.  These can be turned into either a UART, I2C master, I2C slave, SPI master, and SPI slave. Additionally it features a 32-bit Real-Time Clock and calendar, 20 PWM channels, one 14-channel 12-bit ADC, on 10-bit DAC.

 

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ATSAMD21G18A Overview
ArchitectureARM Cortex-MO+
Voltage Range1.62-3.63V
Bus Size32-Bit
Max CPU Speed48MHz
Internal Oscillator21khz, 23Khz ULP, 8Mhz
Program Memory Size256KB
SRAM32KB
EEPROM32KB (emulated from Flash)
GPIO38
ADC Channels14
ADC Resolution12-bit
Digital-to-Analog Converter (DAC)Yes
USB ControllerYes
Direct Memory Access (DMA)12 Channel
Peripheral Touch ControllerYes
Inter-IC Sound 12SYes

 

32 bits, 48 Mhz

 

The 32 bit architecture allows you to process your instructions faster at double the speed of an 8-bit AVR. While the AVR must process data in 8-bit, the 32-bit architecture allows the SAMD21G to process data in one large chunk.

 

Memory Map:

 

image

 

USB Controller

 

Like the ATmega32U4 used on the Leonardo, ATSAMD21 comes with an integrated USB controller, allowing it to be used as either a USB device or host. In device mode it configures itself as a USB CDC (communication device class) so that your computer talks to it as if it were a serial port. This allows the SAMD21 to emulate a mouse, keyboard, or controller, and also work as a mass flash storage.  If used as a USB host it can connect to keyboard or mouse, as well as, save data to a USB flash drive.  However, to act as a host requires extra power supply.

 

Real-Time Clock

 

The SAMD21 has a separate real time clock (RTC), powered by an on board 32.78 crystal, that runs at a full 48 MHz.  Also, almost every pin is tied to timer-counter, giving you a lot more PWM-capable I/O pins so you'll have plenty of options for dimming lights or controlling motors.

 

ESP32 Module by u-blox

 

The MKR WiFi 1010 adds an ESP32 module by u-blox which is a notable improvement from the MKR1000 Wifi. The NINA-W102 Module provides low power 2.4 Ghz 802.11 b/g/n WiFi, dual-mode bluetooth v. 4.2, and RF communication through an internal PIFA antenna.  This multiradio MCU integrates a powerful MCU with and a radio for wireless communication. Its open CPU architecture supports advanced applications on a 32-bit mcu. Radio is supported for 802.11 b/g/n WiFi in the 2.4 Ghz band, Bluetooth BR/EDR, and Bluetooth low energy.  The ESP32-W10 module has applications for automotive, smart cities, autonomous vehicles, medical technology, home and building automation.

 

image

 

Block Diagram:

 

image

 

 

WiFiBluetooth BR/EDRBluetooth Low Energy
IEE 802.11b/g/n

Bluetooth v4.2+ EDR

Max. number of slaves: 7

Bluetooth 4.2 BLE dual-mode

Band support

2.4 GHz, channel 1-13*

Band support

2.3 GHz, 79 channels

Band support

2.4 GHz, 40 channels

Maximum conducted output power

16 dBm

Maximum conducted output power

5 dBm

Maximum conducted output power

5 dBm

Maximum radiated output power

19 EIRP**

Maximum radiated output power

8 dBm EIRP**

Maximum radiated output power

8 dBm EIRP**

Conducted Sensitivity

-96 dBm

Conducted Sensitivity

-90 dBm

Conductivity

-90 dBM

Data Rates:

IEEE 802.11b:

  1/2/5.5/11 Mbit/s

IEEE 802.11g:

  6/9/12/18/24/36/48/54 Mbit/s

IEEE 802.11n:

  MSC 0-7, HT20 (6.5-72 Mbit/s)

Data Rates:

1/2/3 Mbit/s

Data Rates

  1 Mbit/s

 

* Depending on location (country, region) channels 12-13 must be disabled and support the country determination algorithm for supporting

 

**RF antenna including maximum antenna gain (3 dBi)

 

EEC502

 

Another key feature of the MKR WiFi 1010 is that it has an integrated Cryptochip, Microchip ECC508, for secure communication using SHA 256 encryption.

 

Reference links:

 

  • Getting Started: https://www.arduino.cc/en/Guide/MKRWiFi1010
  • WiFiNINA Library: https://www.arduino.cc/en/Reference/WiFiNINA

 

Github links:

 

Enables network connection (local and Internet) with the Arduino MKR WiFi 1010, Arduino MKR VIDOR 4000 and Arduino UNO WiFi Rev.2: https://github.com/arduino-libraries/WiFiNINA

Source code and configuration files of the Arduino Core for Atmel's SAMD21 processor: https://github.com/arduino/ArduinoCore-samd

API to communicate with LoRa and LoRaWAN networks: https://github.com/arduino-libraries/MKRWAN

Arduino Command Line Interface: https://github.com/arduino/arduino-cli

 

FAQ:

 

What is the Arduino NINA-102 Firmware link for BLE support?

 

  • Firmware Update 1.2.1 - available now, with BLE mode

 

Is possible to execute control algotithm and Machine learning based on data collected in the cloud?

 

  • Once we release our APIs you can for sure fetch the data and build ML algorithms on top of those. Also considering clever ways for opening real time streams.

 

Any plans to enable OTA functionality on the MKR 1400 device?

 

  • Yes. the MKR1010 will have OTA soon. the MKR1000 require and external memory, GSM TOO
Attachments:
SAM-D21-Family-Datasheet-DS40001882C.pdfSAM-D21-Family-Datasheet-DS40001882C.pdf
imageNINA-W10_DataSheet_(UBX-17065507).pdf
MKRWiFi1010V2.0_sch.zip
MKR1000-reference.zip
image20005927A.pdf
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  • arduino pinout
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