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  • espBerry - ESP32 Module with with PiCAN-M NMEA 2000 NMEA 0183 HAT

espBerry with PiCAN-M NMEA 2000 NMEA 0183 HAT

Targeted Release: May 2023.
Please contact us for more information.

Product Description

This product is under current development. Please contact us for more information or create an account to sign up for our newsletter. The above shown hardware configuration has been tested and released for production. Targeted list price is US$68.95 for the espBerry alone. The espBerry with PiCAN-M NMEA 2000 NMEA 0183 HAT is projected to be US$149.95.

For more information on the espBerry, log on to

espBerry - ESP32 Extended Functionality through RPi HATs

espBerry - ESP32 Extended Functionality through Raspberry Pi HATs

The espBerry DevBoard combines the ESP32-DevKitC development board with any Raspberry Pi HAT by connecting to the onboard RPi-compatible 40-pin GPIO header. The purpose of the espBerry should not be perceived as a Raspberry Pi alternative but as extending the ESP32’s functionality by tapping into the vast offerings of RPi HATs in the market and taking advantage of the multiple and flexible hardware options. The espBerry is the perfect solution for Internet of Things (IoT) applications, especially those requiring wireless capabilities. All open-source code samples take advantage of the popular Arduino IDE with its excellent programming capabilities.

Unleash the powerful ESP32 hardware capabilities to easily connect two CAN ports to Bluetooth, BLE, WiFi, USB, etc.

espBerry Features

  • Processor: ESP32 DevKitC
    • 32-Bit Xtensa dual-core @240 MHz
    • WiFi IEEE 802.11 b/g/n 2.4 GHz
    • Bluetooth 4.2 BR/EDR and BLE
    • 520 kB SRAM (16 kB for cache)
    • 448 kB ROM
    • Programmable per USB A/micro-USB B cable
  • Raspberry Pi Compatible 40-pin GPIO header
    • 20 GPIO
    • 2 x SPI
    • 1 x UART
  • Input Power: 5 VDC
    • Reverse polarity protection
    • Overvoltage Protection
    • Power Barrel Connector Jack 2.00mm ID (0.079″), 5.50mm OD (0.217″)
    • 12/24 VDC options available
  • Operating Range: -40°C ~ 85°C
    Note: Most RPi HATs operate at 0°C ~ 50°C
  • Dimensions: 95 mm x 56 mm – 3.75″ x 2.2″
    Complies to Standard Raspberry Pi HAT Mechanical Specifications…


The PICAN-M (M = Marine) is a Raspberry Pi HAT with NMEA 0183 and NMEA 2000 connection. The NMEA 0183 (RS422) port is accessible via a 5-way screw terminal. The NMEA 2000 port is accessible via a Micro-C connector.

The board comes with a 3A SMPS (Switch Mode Power Supply), allowing to power the Raspberry Pi plus HAT from an onboard power source (12 VDC). More Information...


  • CAN Bus connection via Micro-C connector
  • 120 Ω terminator ready
  • SocketCAN driver
    • appears as can0 to application
  • NMEA 0183 (RS422) via 5-way screw terminal
    • appears as ttyS0 to application
  • LED indicator (GPIO22)
  • Qwiic (I2C) connector for extra sensors
  • 3A Switch Mode Power Supply (SMPS)


We are using a modified version of the MCP_CAN Library for Arduino by Cory Fowler. The modifications were applied to match CE0, CE1, INT0, and INT1 signals. Please refer to the library information to perform functionality such as loopback, sleep, etc.

More Resources 

Development Resources

Programming Support

Bluetooth & BLE Information

Electronics Projects with the ESP8266 and ESP32: Building Web Pages, Applications, and WiFi Enabled DevicesElectronics Projects with the ESP8266 and ESP32

Copperhill Technologies highly recommends using this book for your wireless application projects. Yes, many good books and free online resources are available these days, but this is the book we are using. It made our approach to Bluetooth, BLE, and WIFI a breeze. Programming wireless applications without hassles was fun, and we will share them on this web page.

Projects throughout the book utilize the wireless functionality and processing power of the ESP microcontrollers. Projects are built in the Arduino IDE, so you don't need to download other programming software. In addition, mobile apps are now ubiquitous, making the app build projects of the book very relevant, as are the web page design projects.

In Electronics Projects with the ESP8266 and ESP32, you'll see how easy and practical it is to access information over the internet, develop web pages, build mobile apps to remotely control devices with speech recognition, or incorporate Google Maps in a GPS route tracking app.

More Information...

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