Display Interfaces

Paving the Way for Smart Embedded Systems

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With the increasing prevalence of interactive IoT applications, integrated displays are becoming more important – not only for visualization but as an active part of user interaction. Cellular modules with MIPI DBI or DSI interfaces will play a central role, as they combine direct display connectivity, wireless communication, and real-time data processing in a compact form factor.

In the future, such modules will not only display data but also offer local intelligence, AI-powered analytics, and cloud integration –while optimizing power consumption, space requirements, and lifecycle costs.

Modern IoT applications demand intelligent, energy-efficient, and connected solutions that go far beyond mere data transmission. Display interfaces are essential for presenting data clearly and interactively – directly on the device or remotely. This whitepaper demonstrates how cellular modules with integrated display interfaces pave the way for smarter, user-friendly embedded systems, driving digital transformation in industry, healthcare, and smart cities.

What You Will Learn in this Whitepaper-Series

PART 1: Development of Display Interfaces in Embedded Systems

Part 1 provides an overview of the historical and technological development of display interfaces in embedded systems. Starting with simple, power-hungry displays, this section shows how serial interfaces like SPI and I²C first enabled graphical representations. The introduction of MIPI standards, especially MIPI DBI and DSI, marks the transition to efficient, high-resolution, and interactive displays specifically designed to meet the demands of modern IoT applications.

Furthermore, Part 1 explains the different types of display interfaces – from energy-efficient DBI interfaces for simple devices to high-performance DSI solutions for high-resolution touchscreens – and their areas of application. Traditional technologies such as LVDS and parallel RGB interfaces are also briefly covered to illustrate the range of current display technologies.

PART 2: IoT Modules with Integrated Display Interface

Part 2 introduces cellular IoT modules from CAVLI WIRELESS that feature integrated display interfaces, making embedded systems ready for the IoT era.

Finally, Part 2 demonstrates how the combination of display, built-in cellular connectivity, GNSS, and the CAVLI Hubble™ platform creates a comprehensive IoT solution. These modules enable not only data visualization but also remote control, diagnostics, and secure communication – critical functions for today’s and future connected smart applications.