The Martinica Ultra Low Power transmission module consists of ATSAMD21 microcontroller unit with ATWINC1500 Wi-Fi (802.11 b/g/n) module.

The board is in Arduino MKR form factor can be  programmed with Arduino IDE or with Microchip Studio 7 IDE enabling fast application development.

Security is provided by ATECC608B-TFLXTLSU-PROTO CryptoAuthentication™

Onboard BME688 Environmental Sensor with A.I. from Bosch Sensortec allows real world testing.

The Martinica Arduino MKR form factor board provides an ideal solution for evaluating ATWINC1500 module with enhanced security and Bosch Sensortec BME688 Environmental Sensor.

Here you can see components location on board:

Hardware Features

MCU Core:

• ARM® Cortex®-M0+ at 48 MHz with 3.3 V power
• 256 kBytes Flash
• 32 kBytes SRAM
• -40 to 85°C operating temperature
• Low power modes
• Idle and standby sleep modes
• USB native support, comes with USB bootloader and serial port debugging
• Hardware Serial, hardware I2C, hardware SPI support
• 8 x PWM pins
• 10 x analog inputs
• 1 x analog output
• SleepWalking peripheral

ATWINC1500 WiFi Module:

• IEEE® 802.11 b/g/n 20 MHz (1x1) solution
• Single spatial stream in 2.4 GHz ISM band
• Integrated Transmit/Receive switch
• Superior sensitivity and range via advanced PHY signal processing
• Wi-Fi® Direct (supported till firmware release 19.5.2)
• Soft-AP support
• Supports IEEE 802.11 WEP, WPA, WPA2 security
• Support Enterprise security with WPA/WPA2 (802.1X)(1)
  • EAP-TLS
  • EAP-PEAPv0/1 with TLS
  • EAP-TTLSv0 with MSCHAPv2
  • EAP-PEAPv0/1 with MSCHAPv2
• SPI host interface

ATECC608B CryptoAuthentication™

• Cryptographic co-processor with secure hardware-based key storage
• Protected storage for up to 16 Keys, certificates or data
• ECDH: FIPS SP800-56A Elliptic Curve Diffie-Hellman (ECDH)
• NIST standard P256 elliptic curve support (ECC)
• Hardware support for symmetric algorithms
• SHA-256 & HMAC hash including off-chip context save/restore
• AES-128: encrypt/decrypt, galois field multiply for GCM
• Networking key management support

BME688 Sensor from Bosch Sensortec with A.I.:

• Temperature
• Pressure
• Humidity
• Indoor Air Quality
• Host Interface: SPI

M24SR64 EEPROM External Memory/NFC:

• NFC Forum Type 4 Tag
• ISO/IEC 14443 Type A
• I2C Host Interface
• 8-Kbyte (64-kbit) EEPROM
• Support of NDEF data structure
• Data retention: 200 years

SST26VF064B FLASH External Memory

• 8 Mbyte Memory (NOR)
• Additional 4K bits secured OTP
  • Features unique identifier
  • Factory locked identifiable and customer lockable
• SPI Host Interface
• Low Power Consumption
• Typical 100,000 erase/program cycles
• 20 years data retention

Power Supply:

• from the USBs connections (+5V dc)
• from the VIN pin (+5V dc)
• from a LiPo battery using dedicated connector
• built-in LiPo battery charger (Microchip MCP73833)

Comparison Chart

* BME688 Sensor:

• Temperature
• Humidity
• Pressure
• VOC Gasses with A.I.