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Waveshare CM4 to CM3 Adapter

₹1,029.00 (Inclusive of all taxes)
Out of Stock

The Waveshare CM4 to CM3 Adapter provides a seamless solution for integrating Raspberry Pi Compute Module 4 (CM4) boards into existing CM3/CM3+ base boards. This adapter addresses the CM3 supply shortage by allowing CM4 to interface with the CM3 SODIMM standard.

Features

  • Enables use of Raspberry Pi CM4 Lite/eMMC boards on legacy CM3/CM3+ base boards.
  • Features a standard CM3 SODIMM connector for direct integration into existing CM3 ecosystems.
  • Equipped with an onboard buck-boost DC chip supporting 3.3V/5V power input for flexible power solutions.
  • Includes ACT, etc. indicators for real-time monitoring of CM4 operational status.

Out of stock

Description

This Waveshare CM4 to CM3 Adapter offers a practical alternative for developers facing the ongoing supply constraints of Raspberry Pi Compute Module 3 (CM3) and CM3+ series boards. By providing a bridge between the newer, more powerful CM4 and the legacy CM3 SODIMM interface, this adapter ensures that existing CM3 ecosystem base boards remain compatible with the latest Compute Module technology.

The adapter is engineered with an onboard standard CM4 connector, enabling direct integration of CM4 Lite or eMMC series boards, which feature the Quad-Core Cortex-A72 64-bit processor for enhanced performance. It meticulously routes the necessary signals and power through a standard CM3 SODIMM connector, allowing the upgraded CM4 to seamlessly interact with base boards designed for CM3.

Power management is robust, incorporating a buck-boost DC chip that accommodates both 3.3V and 5V input, ensuring stable operation. Furthermore, integrated indicators like ACT LEDs provide real-time monitoring of the CM4’s operational status, simplifying development and troubleshooting.

Key Features

  • Onboard standard CM4 connector supports access to CM4 Lite / eMMC series boards.
  • Integrates a powerful Quad Core Cortex A72 64-bit processor (via CM4) into CM3 platforms.
  • Features a standard CM3 SODIMM interface for compatibility with existing CM3 ecosystem base boards.
  • Equipped with an onboard buck-boost DC chip, accepting 3.3V or 5V power input.
  • Includes ACT, etc., indicators for monitoring the working status of the CM4.
  • Provides passthrough for essential interfaces including HDMI, GPIO (0-33), CSI (0-1), DSI (0-1), USB2.0, and SDIO.
  • Offers a reliable solution to overcome Raspberry Pi CM3/CM3+ supply shortages.

Applications

  • Upgrading legacy CM3-based industrial control systems with CM4 performance.
  • Prototyping new projects with CM4 while utilizing existing CM3-compatible carrier boards.
  • Extending the lifespan of products designed around the CM3 form factor.
  • Educational and development platforms requiring CM3 pinout with CM4 capabilities.
  • Embedded systems facing CM3/CM3+ supply chain challenges.

Technical Specifications

Product TypeRaspberry Pi CM4 To CM3 Adapter
CompatibilityRaspberry Pi Compute Module 3 (CM3), CM3+ Base Boards
CM4 SupportCM4 Lite / eMMC Series Boards
Processor SupportQuad-Core Cortex-A72 64-bit (via CM4)
Power Input3.3V / 5V (via buck-boost DC chip)
MonitoringOnboard ACT LED indicators

Frequently Asked Questions

What is the primary purpose of the Waveshare CM4 to CM3 Adapter?

This adapter allows Raspberry Pi Compute Module 4 (CM4) boards to be used with existing base boards designed for CM3/CM3+. It provides a critical solution for upgrading performance or mitigating supply chain issues by integrating the newer, more powerful CM4 into legacy ecosystems.

What power input voltage does the Waveshare CM4 to CM3 Adapter support?

The adapter features an onboard buck-boost DC chip, enabling it to support both 3.3V and 5V power input. This flexibility ensures stable power delivery to the connected Compute Module 4, accommodating various base board power configurations for reliable operation.

Which Raspberry Pi Compute Module 4 variants are compatible with this adapter?

The Waveshare CM4 to CM3 Adapter supports all Raspberry Pi Compute Module 4 Lite and eMMC series boards. This broad compatibility ensures that users can leverage the full range of CM4 specifications, including various RAM and eMMC storage configurations, within their CM3-designed projects.

How does this adapter integrate into an existing CM3 ecosystem?

The adapter features a standard CM3 SODIMM connector, allowing it to directly plug into any base board designed for the Raspberry Pi CM3/CM3+. This design ensures seamless mechanical and electrical compatibility, preserving existing peripheral connections and overall system architecture.

What types of interfaces are supported by the CM4 to CM3 adapter?

The adapter provides passthrough for essential interfaces, including GPIO (GPIO0-33), CSI (CSI0, CSI1), DSI (DSI0, DSI1), USB2.0, and SDIO. This comprehensive signal routing ensures that most functionalities of the CM4 can be utilized with a CM3-compatible base board.

Package Includes

  • 1 x Raspberry Pi CM4 To CM3 Adapter

Additional Information

Weight 0.015 kg
Dimensions 11 × 7 × 1 cm