Arduino Portenta Mid Carrier Development Board - ASX00055
🔷 Arduino Portenta Mid Carrier — Expansion & Prototyping Hub for Portenta Modules
The Arduino Portenta Mid Carrier is a versatile carrier/expansion board that transforms compatible Arduino Portenta System on Modules (SoMs) — such as Portenta C33, Portenta H7, or Portenta X8 — into a full-featured development platform with industrial and IoT-ready interfaces. It’s perfect for prototyping edge devices, automation systems, machine vision, and other advanced embedded applications.
📊 INFOGRAPHIC OVERVIEW — Portenta Mid Carrier (ASX00055)
Portenta Mid Carrier | | (ASX00055) |🧠 Designed For | Portenta C33, H7, X8 Modules | | 📏 Board Size | ~114 mm × 86.5 mm | | 🌡 Operating Temp Range | −40 °C to +85 °C | 🔌 Main Connectors | High-Density Portenta Socket | | | mini PCIe expansion | | | USB-A host connector | | | Gigabit Ethernet (RJ45) | | | 2 × CAN (1 w/ transceiver) | | | microSD card slot | | | MIPI & Arducam camera connectors | | | RTC LiPo battery slot | | | GIGA Display Shield connector | 🛠 Peripheral I/O | UART, I²C, SPI, PWM, GPIO, Analog I/O | | 🧰 Audio & Bus | SAI, I2S, PDM, SPDIF | | 🔍 Debug Features | Onboard JTAG / SWD pins | | 📡 Power Options | USB-C, Headers, Screw terminal (5 V) | ✔ Industrial Prototyping | Yes | | | ✔ Machine Vision Ready | Yes | | | ✔ Cellular/Mini PCIe | Yes |
Carrier board for adding connectivity & expansion to Portenta modules.
🧠 1️⃣ What Is It?
This is not a standalone microcontroller — it’s a carrier (or “base”) board that connects and extends the capabilities of Portenta SoMs. The Portenta Mid Carrier lets developers easily access all high-density signals from a Portenta board and adds multiple hardware interfaces in one place for advanced projects.
▶ Compatible with:
• Portenta C33
• Portenta H7
• Portenta X8 (for most interfaces)🔌 2️⃣ Core Connectivity & Interfaces
💻 Network & USB
✔ Gigabit Ethernet (RJ45) — wired network for stable IoT connectivity.
✔ USB-A female port — connects USB peripherals such as storage or cameras.📷 Camera & Display
✔ MIPI camera connector – native high-speed camera interface.
✔ Arducam connector — plug-and-play camera module support.
✔ GIGA Display Shield connector — interfaces with Arduino GIGA Display modules.🗃 Memory & Expansion
✔ microSD card slot — external storage or boot media.
✔ mini PCIe connector — expand with cellular modems, Wi-Fi, or other modules.🚗 Communication Buses
✔ 2 × CAN lines (Controller Area Network) — supports automotive/industrial networking.
One port includes a built-in transceiver for direct connection.🔧 3️⃣ I/O & Debug Features
• GPIO, PWM, UART, I²C, SPI, Analog/Sensor I/O
• Audio interfaces: SAI, I²S, PDM, SPDIF
• Onboard JTAG / SWD debug pins — used for low-level debugging of Portenta modules
• RTC (Real-Time Clock) battery slot — retains time when powered offThese features make the Mid Carrier suitable for embedded edge control, sensor integration, and industrial automation.
🔋 4️⃣ Power & Physical Integration
✔ Powered via USB-C from the connected Portenta board
✔ Can be powered through external 5 V supply on headers or screw terminals
✔ Mechanically designed to accept Portenta boards via high-density connectors — no messy wiresThis flexibility lets developers power both the carrier and Portenta module in various setups.
🚀 5️⃣ Why It’s Useful
✅ Prototyping Made Easy — exposes all key interfaces from the Portenta Most on a single board.
✅ Ideal for IoT & Embedded Systems — networking, storage, cameras, and field buses support advanced use cases.
✅ Machine Vision & AI Gateway — use with MIPI or Arducam cameras for object detection or quality control.
✅ Industrial Networking — CAN bus and Ethernet support factory automation or telematics.
✅ Hardware Reference Design — useful as a starting point to build custom carrier boards.🧠 6️⃣ Typical Applications
📌 Smart Cities & Fleet IoT — combine Portenta modules with Ethernet, cellular (via mini PCIe), and CAN for connected sensing.
📌 Robotics & Machine Vision — attach cameras and process data on Portenta H7 or X8.
📌 Remote Monitoring — use microSD for local logs and Ethernet/Wi-Fi for cloud integration.
📌 Industrial Automation & CAN Networks — sensor networks, motor control, actuator feedback.
📌 Summary
The Arduino Portenta Mid Carrier is a powerful expansion platform that takes your Portenta SoM from a standalone module to a fully connected, scalable embedded system. With Ethernet, USB, camera interfaces, CAN, microSD, mini PCIe expansion, and onboard debug, it’s a professional prototyping board for advanced IoT, automation, and machine vision projects.

