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- Page 1 Teensy 4.0 NEA2000 Sim Rev C 1.0 Teeny 4.0 NMEA2000 Simulator USER GUIDE V1.0 Product name Teensy 4.0 NMEA 2000 Simulator with Enclosure Model number TEENSY4.0-N2K-SIM-EN Manufacturer SK Pang Electronics Ltd SK Pang Electronics Ltd Ó 2024 www.skpang.co.uk...
- Page 2 Teensy 4.0 NEA2000 Sim Rev C 1.0 Contents Table of Contents Introduction ......................1.1. Features ................................3 Usage ........................1.2. Power supply ..............................4 1.3. CAN Terminator ............................. 4 1.4. Connect Up ............................... 4 1.5. Parameter Adjust ............................4 1.6. Indicator D1 ..............................4 1.7. User Button ..............................4 Modifying the firmware ..................SK Pang Electronics Ltd Ó 2024 www.skpang.co.uk...
- Page 3 This is a NMEA 2000 using the Teensy 4.0 module (included). Useful for testing NMEA 2000 devices on the bench. Six PGN are adjustable via potentiometers. 1.1. Features • Teensy 4.0 module (installed) • Teensy pre-programmed with simulator firmware • 250kb/s CAN speed • Open source firmware • Micro-C connector • 6x potentiometers for PGN adjustment • Two LED indicators • Two user push buttons • Firmware Features : o Adjustable PGN parameters via potentiometers o PGN 130310 Water temperature o PGN 130306 Wind speed and direction o PGN 127488 Engine RPM o PGN 129026 COG and SOG Open source firmware, other PGNs can be added. SK Pang Electronics Ltd Ó 2024 www.skpang.co.uk...
- Page 4 Teensy 4.0 NEA2000 Sim Rev C 1.0 2. Usage 1.2. Power supply The simulator can be powered from the NMEA2000 connector or external 12v. The external 12v input (6) is a 2.1mm DC power socket with center pin +. 1.3. CAN Terminator If the NMEA2000 network does not have two terminators this switch (8) can be set to 1 to enable one terminator. Default is off. 1.4. Connect Up Using a NMEA2000 cable, connect it to the NMEA2000 port (7). The other end to your network. 1.5. Parameter Adjust Use the PGN adjustment potentiometers (1) to adjust the parameter value. You should see the ACT indicator (2) flashes when there is activities. 1.6. Indicator D1 This indicator is user programmable and it is connected to D8 of the Teensy. 1.7. User Button SW1(4) and SW2 (5) can be used for your own function. They are connected to D6 and D7 of the Teensy. SK Pang Electronics Ltd Ó 2024 www.skpang.co.uk...
- Page 5 Teensy 4.0 NEA2000 Sim Rev C 1.0 3. Modifying the firmware You can modify the firmware to suit your own needs. The Arduino IDE would need to be installed first: https://www.arduino.cc/en/software Then the Teensyduino add-on: https://www.pjrc.com/teensy/teensyduino.html The Teensy sketch: https://github.com/skpang/Teensy40_NMEA2000_simulator SK Pang Electronics Ltd Ó 2024 www.skpang.co.uk...
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