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CM4 / CM5 Carrier Board Design

Application-specific Raspberry Pi Compute Module platforms engineered around connectivity, power, storage, thermal and industrial I/O requirements.

CM4 / CM5 Carrier Board Design
BAMBOOTRONICS R&D

CM4 / CM5 Carrier Board Design

A Compute Module shortens Linux product development, but a reliable commercial device still depends on the carrier board, power tree, high-speed interfaces, wireless architecture, enclosure and software integration being designed as one system.

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The customer challenge

The customer challenge

Customers usually reach us when an evaluation board proves the software concept but cannot satisfy the final form factor, I/O, power-source, wireless, environmental or production requirements. The key task is to preserve platform flexibility without carrying unnecessary cost and prototype-only design choices into the product.

Our engineering approach

Our engineering approach

We translate the use case into a complete compute architecture: CM4 or CM5 selection, boot and storage strategy, Ethernet and USB topology, display and camera interfaces, LTE/GNSS/Wi-Fi/LoRa expansion, industrial I/O, power-path and battery behavior, thermal constraints, security and service access. High-speed layout, antenna placement, test points and enclosure interfaces are reviewed together before fabrication.

Core capabilities

CM4/CM5 baseboard and custom connector architecture

Gigabit/100 Mbps Ethernet, USB, PCIe/NVMe, HDMI, MIPI and audio

LTE/5G, GNSS, Wi-Fi, Bluetooth, LoRaWAN and external antenna design

DC input, Li-Po backup, charging, protection and power sequencing

Embedded Linux, device tree, peripheral bring-up and production image

High-speed review, EMC awareness, thermal and mechanical coordination

A controlled path to delivery
  1. 01

    Clarify use case, environment, target cost and acceptance criteria

  2. 02

    Define system architecture, interfaces, component strategy and risks

  3. 03

    Complete detailed engineering with cross-discipline reviews

  4. 04

    Build prototypes and validate performance, reliability and compliance readiness

  5. 05

    Optimize DFM/DFT, pilot the build and transfer a controlled production package

What you receive

What you receive

01

System block diagram and interface specification

02

Schematic, PCB layout, BOM and manufacturing files

03

Prototype units with hardware bring-up report

04

BSP/device-tree configuration and peripheral test package

05

DFM review, test strategy and production handover

Designed for a product decision—not just a technical demo

The result is a production-oriented Linux hardware platform with clear interfaces, verified power behavior and a controlled path from prototype to repeatable assembly.

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