Teensy 4.0 With NMEA 2000 Connector And 240 x 240 IPS LCD

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Meet the Teensy 4.0 with NMEA 2000 Connector and 240×240 IPS LCD — the ultimate compact powerhouse for marine and embedded systems. This board seamlessly blends high-performance computing and marine-grade networking in a slim, rugged package.

Key Features at a Glance

• Teensy 4.0 microcontroller (ARM Cortex-M7, 600 MHz): One of the fastest microcontrollers available today, the powerful NXP i.MXRT1062 processor provides blazing performance in a tiny form factor, complete with 2 MB flash and 1 MB RAM (including 512 KB tightly-coupled memory for ultra-fast operations).

• vivid 1.54″ IPS TFT LCD (240×240): Wide-angle display perfect for real-time marine data or sensor dashboards.

• Micro-C NMEA 2000 connector: Ships power (12 VDC) through the NMEA bus and integrates directly with marine-grade networks.

• On-board 5 V regulator with reverse-polarity protection: Rugged power management ensures safe operation across 7–12 V inputs.

• Qwiic (I²C) connector for sensors: Plug in temperature, pressure, motion, or environmental sensors—ideal for modular expansion.

• 120 Ohm Termination resistor

• CAN/NMEA 2000 ready: Drop in and go—fully bus-ready for marine instrumentation.

Why Teensy 4.0 Really Stands Out

The Teensy 4.0 draws its power from the high-performance ARM Cortex-M7 core clocked at 600 MHz. This includes state-of-the-art features like:

• DSP (Digital Signal Processing) acceleration

• Hardware floating-point unit (32-bit and 64-bit support)

• Dual-issue superscalar execution, large caches, branch prediction

• Massive I/O flexibility—40 digital pins, multiple SPI, I²C, UART channels, DMA, PWM, audio interfaces, and more

In short, it's not just fast—it's smart and versatile, ideal for real-time data visualization, decoding CAN/NMEA messages, audio applications, or anything demanding both speed and precision.

What is NMEA 2000 (N2K)?

NMEA 2000 is a marine-grade, plug-and-play networking standard for vessels. It’s built on CAN bus technology, adapted for maritime communication with:

• High data rate (250 kbps)

• Multi-talker, multi-listener architecture — unlike older NMEA 0183 systems, N2K supports multiple sensors and displays simultaneously.

• Shared backbone cabling that carries power and data, simplifying wiring and integration.

• Broad compatibility with GPS, autopilots, depth sounders, wind sensors, engine monitors, AIS modules, and chartplotters.

This standard is a cornerstone of modern marine systems—allowing devices from different manufacturers to talk seamlessly.

Applications That Demand This Board

This board shines in a wide range of applications:

• Marine Instrumentation Display: Read live NMEA 2000 data—wind speed, depth, GPS coordinates—and display it on the built-in LCD, no extra hardware required.

• Diagnostic & Development Tool: Simulate NMEA traffic (PGNs) for testing autopilots, instrument clusters, or network behavior—ideal for development labs or field trials.

• Portable Data Logger / Chartplotter: Log speed, heading, temp, or NMEA data to SD or display it in a user-friendly interface.

• Sensor Network Hub: Integrate non-NMEA sensors (via the I²C/Qwiic header) into a unified NMEA dashboard—perfect for hybrid sensor setups.

• Educational & Prototyping Platform: Teach maritime electronics, embedded systems, or CAN networking with a hands-on tool that’s both visible and tactile.

Documents

Advanced Marine Electrics and Electronics Troubleshooting

Whether you are a marine electronics professional or a boat owner, Advanced Marine Electrics and Electronics Troubleshooting helps you understand the new, more powerful methods of troubleshooting marine electrical and electronic systems.

A modern boat’s sophisticated installations and networked electronics can stretch the traditional diagnostic methods based on trouble lights and multimeters past their useful limits. 

This book will show you how to:

• Use microprocessor-based diagnostic tools and techniques from the automotive and communications sectors, adapted for boats for the first time
• Diagnose the most difficult AC and DC problems
• Protect communications and navigation electronics from interference and lightning
• Seek out and eliminate stray-current sources and galvanic corrosion

More Information...