Warning: This product requires a button battery to operate which is hazardous to young children. Do not use this product for projects that are potentially accessible to young children.
The Arduino Primo Core is the compact Arduino board developed in cooperation with Nordic Semiconductor.
For the little dimension, the Bluetooth integrated and the Low Power the board is ideal for IoT world and in particular for the wearables.
The Microcontroller used is the same of the Arduino Primo, the Nordic microcontroller nRF52832.
Furthermore the Arduino Primo Core has:
The Arduino Primo Core can be powered using the integrated slot for an external battery.
The battery used in the slot is the button cell CR2032 of 3V.
Furthermore it is also possible to use an external power supply to the Vin pin.
The nRF52832 has 512 KB of Flash memory and 64 KB of SRAM. There is no onboard EEPROM memory.
Each of the 10 digital pins on the Arduino Primo Core can be used as an input or output, using pinMode(), digitalWrite(), and digitalRead() functions. They operate at 3.3V. Each pin can provide or receive a maximum current of 14 mA.
In addition, some pins have specialized functions:
The Primo Core has also 8 analog inputs, labeled D0 through D7, each of which provide up to 14 bits of resolution (i.e., 16384 different values). By default they measure from ground to 3.3 volts, though it is possible to change the upper end of their range using the analogReference() function.
Onboard there are some sensors and actuators:
The Arduino Primo Core has a number of facilities available for communicating with other devices.
In particular it has a Bluetooth interface 4.0 that allows to communicate with PC, tablet and smartphone and to program the board. This interface is managed from the BLE library. This library is contained in the nRF52 platform, downloadable from Board Manager of the Arduino IDE 1.8.x or later.
The board supports also the NFC communication until to 106 kbps as bit rate and 13,56 MHz of frequency. It needs only to connect the NFC antenna in the corresponding connector. The NFC is managed from NFC library and also this is contained in the nRF52 platform.
Furthermore the nRF52832 supports also the I2C (TWI) communication. The Arduino software includes a Wire libraryto simplify use of the I2C bus.
In the Arduino Primo Core is also possible to use the SPI communication, using the default configuration (MOSI=4, MISO=5, SCK=6, SS=7) or defining the pins that you use directly in the sketch. For more information visit the SPI library.
The Arduino Primo Core can be programmed in different ways, using:
All these procedures use the Arduino IDE. The board is available from Arduino IDE 1.8.x version, downloading the corresponding platform (Arduino NRF52) from the Board Manager.
For more information about it look the Getting Started.
The Arduino Primo Core is characterized from small size so that can be used wearable. The length and width of board is 32 x 32 mm respectively.
Now you are ready to begin using your Arduino Primo Core following the Getting Started.
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Unit 18, 132 Garden Grove Parade
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Australia
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