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Build Smarter Interfaces: ESP32-S3 with 4” Display, Wi-Fi, Bluetooth & CAN FD
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Looking to build an advanced HMI, diagnostic tool, or industrial control panel with cutting-edge connectivity and sleek graphics? Meet our ESP32-S3 4" 480x480 IPS LCD Board, a powerhouse designed for developers and engineers who demand performance, versatility, and ease of integration.
Feature-Packed for Modern Applications
At the heart of this board is the Espressif ESP32-S3-WROOM-1U-N16R8, a powerful module featuring:
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Dual-core Xtensa® LX7 processor running at up to 240 MHz
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16 MB of flash memory and 8 MB of PSRAM
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Support for Wi-Fi, Bluetooth Classic, and Bluetooth Low Energy (BLE) via an external u.FL antenna connector (antenna not included)
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Integrated AI acceleration instructions—perfect for edge computing tasks like gesture recognition or speech processing
This module provides the backbone for complex applications in industrial automation, IoT systems, smart appliances, and more.
Built-in Support for Both Classical CAN and CAN FD
Versatile communication is a top priority for industrial and automotive systems, and this board doesn’t disappoint:
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Classical CAN support is provided directly via the ESP32-S3’s internal controller, available on connector J6
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CAN FD (Flexible Data-rate) is enabled through a Microchip MCP2518FD connected via SPI, accessible on connector J5
With both interfaces at your fingertips, the board is ideal for applications that require backward compatibility with existing CAN 2.0B systems as well as forward-looking CAN FD integration.
Stunning 4" Touch Display
The device includes a high-resolution 4.0” 480x480 IPS LCD with capacitive touch, offering:
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Wide viewing angles and vivid color representation
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Multi-touch input for modern, intuitive UIs
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A responsive interface ideal for handheld tools, HMIs, and user dashboards
Whether you're building a smart thermostat, vehicle dashboard, or industrial touch controller, the display ensures clarity and responsiveness.
UI Development Made Easy: LVGL + SquareLine Studio
Creating a polished user interface no longer requires months of development. This board supports:
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LVGL (Light and Versatile Graphics Library): An open-source graphics library known for its efficiency, customizability, and smooth performance on embedded systems
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SquareLine Studio: A visual UI editor that integrates seamlessly with LVGL, making it easy to drag-and-drop UI components and generate production-ready code
From buttons and charts to animations and complex layouts, your design workflow is faster and more intuitive than ever.
Designed for Innovation
Whether you're developing automotive diagnostic tools, industrial machinery dashboards, smart home controllers, or custom HMI interfaces, this board provides:
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Advanced wireless and wired connectivity
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Stunning graphics and responsive input
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AI-capable processing and ample memory resources
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Support for dual CAN protocols
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A solid foundation for scalable product development
Applications at a Glance:
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Industrial control panels
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CAN-based data loggers and analyzers
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Smart appliances with touchscreen interfaces
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Vehicle diagnostic tools
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IoT user terminals
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Edge AI applications with UI
Ready to Get Started?
Explore more and purchase the ESP32-S3 4" IPS LCD with CAN FD and Classical CAN directly from this website.
ESP32, the low-cost, energy-efficient system-on-a-chip (SoC) microcontroller, has become a cornerstone of modern Wi-Fi-enabled devices, driving innovation across the Internet of Things (IoT) landscape. This comprehensive guide offers a practical, end-to-end approach to building secure, scalable IoT systems using the powerful ESP32 platform.
From foundational concepts to advanced implementation, the book walks you through the complete lifecycle of developing an IoT device with ESP32. Beginning with essential IoT principles and real-world use cases, each chapter progressively builds your skills—covering sensor communication, integration of key libraries like LittleFS and LVGL, Wi-Fi connectivity, data security, and cloud integration. You'll also learn how to visualize real-time data using tools like Grafana, making your solutions truly production-ready.
A special section is dedicated to artificial intelligence and machine learning (AI/ML) for embedded systems. You'll explore how to build and deploy tinyML models on the ESP32-S3, enabling intelligent edge computing capabilities for your next-generation embedded products.
Adopting a hands-on, project-driven approach, the book ensures that you can apply your knowledge from day one. As a capstone, you'll develop a full-scale Smart Home system, consolidating all the concepts and technologies explored throughout the book.
Whether you're a maker, engineer, or embedded systems developer, this book equips you to build secure, real-world IoT solutions with ESP32—ready for deployment in today’s connected world. More information...
Harnessing the Power of the ESP32-S3: A Look at Copperhill’s CAN FD Development Board
In the evolving landscape of IoT, industrial automation, and automotive communication, the demand for a versatile, wireless-enabled microcontroller with CAN bus capabilities has never been greater. Copperhill Technologies rises to the occasion with its latest innovation—a development board based on the ESP32-S3-WROOM-1-N8R8, engineered to support both Classical CAN and CAN FD protocols. At the heart of [...]
Unlocking Vehicle Intelligence: A Practical Guide to CAN and LIN Bus Networks
Modern vehicles contain dozens of electronic control units (ECUs) that must communicate reliably to coordinate engine, transmission, braking, body functions, and more. Two key networking technologies enabling this in-car communication are the Controller Area Network (CAN) and the Local Interconnect Network (LIN). CAN and LIN buses each have distinct architectures and roles: CAN is a [...]
CAN Bus Unplugged: A Deep Dive into Its Origins, Growth, and Future
The following is an excerpt from https://jcom1939.com/history-and-development-of-the-controller-area-network-can-bus/ Introduction The Controller Area Network (CAN) bus is a robust serial communication protocol developed to facilitate real-time data exchange between electronic control units (ECUs) in various applications, notably in the automotive industry. Originating in the 1980s, CAN bus has become integral to numerous systems requiring reliable and efficient communication among [...]
The Teensy Series of Processor Modules: A Versatile Platform for Embedded Systems
The Teensy series of processor modules is a family of compact, high-performance microcontroller boards developed by PJRC. These boards are widely recognized for their small form factor, powerful processing capabilities, and extensive I/O support, making them an ideal choice for a variety of embedded systems applications, including robotics, audio processing, and IoT (Internet of Things) [...]
CAN FD: Enhancing Automotive Communication
The Controller Area Network Flexible Data-Rate (CAN FD) protocol is a significant evolution in the field of automotive communication systems, addressing the increasing demands for speed, efficiency, and reliability in data transmission. Developed as an enhancement to the original CAN protocol, CAN FD offers a higher data rate and larger data payload, making it an [...]
Embedded CAN Bus Development with the ESP32 Processor
The Controller Area Network (CAN) bus is a robust communication protocol designed to facilitate data exchange between microcontrollers and devices in automotive and industrial applications. With its high reliability and real-time capabilities, it has become a cornerstone in modern embedded systems. The ESP32, a popular microcontroller from Espressif Systems, offers integrated CAN controller support, making [...]
JCOM1939 Monitor Software - A Critical SAE J1939 Diagnostic and Analysis Tool
The JCOM1939 Monitor Software is a specialized tool designed to interface with and monitor data on the SAE J1939 communication network. SAE J1939 is a standardized protocol commonly used in heavy-duty vehicles, agriculture equipment, and industrial machinery for onboard diagnostics and data communication. This essay explores the features, applications, and significance of JCOM1939 Monitor Software in [...]
Impact of Cybersecurity Regulations on CAN Bus Embedded Development
Across the globe, regulatory bodies issue rules and regulations related to the cybersecurity of electronic devices. Among the strictest are those from the EU, including the Cybersecurity Act (CSA) and the Cyber Resilience Act (CRA), which all manufacturers of electronic embedded network devices are required to follow. While some manufacturers may temporarily avoid adopting a “security [...]
ESP32 Processor: CAN Bus Topology and Termination Resistors
This post is an excerpt from our application note Controller Area Network (CAN) Development with ESP32. It is my experience that newcomers to the technology overlook the importance of termination resistors. Missing or misplaced resistors can lead to transmission errors or even prevent transmission altogether. The general rule is that if you connect to an existing, fully [...]