feeling/seatalk-autopilot-remote-control
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AK-Homberger
2019-07-21 13:17:23 +02:00
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# Seatalk-Autopilot-Remote-Control
This repository shows how to build a Seatalk Autopilot Remote Control device based on an Arduino Pro Micro and a simple 433 MHz KeyFob. It has been tested sucessfully with different Raymarine autopilots.
This repository shows how to build a Seatalk Autopilot Remote Control device based on an Arduino Pro Micro and a simple 433 MHz KeyFob. It has been tested successfully with different Raymarine autopilots.
My special thanks to users of www.segeln-forum.de for testing.
@@ -17,10 +17,10 @@ Please also select a high quality receiver which fits to the PCB design (RXB6, S
The PCB also allows the connection of a standard OLED device (SSD1306) to show the current apparent wind speed. But this is optional.
A standard 4 button 433 MHz KeyFob is used to send (+1 / -1 degree) and (+10 / -10 degrees) course changes to the autopilot.
The used Seatalk codes are drived from Thomas Knauf (http://www.thomasknauf.de/rap/seatalk2.htm ). Many thanks for this excellent piece of work.
The used Seatalk codes are derived from Thomas Knauf (http://www.thomasknauf.de/rap/seatalk2.htm ). Many thanks for this excellent piece of work.
# Software
The Seatalk communication is a 9 bit serial protocol. This is not directly supported from Arduino. But I found a working 9 bit hardware serial implementation. For convienience, I have added the working source code here because there a different versions available (in github and elsewhere).
The Seatalk communication is a 9 bit serial protocol. This is not directly supported from Arduino. But I found a working 9 bit hardware serial implementation. For convenience, I have added the working source code here because there a different versions available (in github and elsewhere).
Caution: The 9 bit hardware serial implementaion is depending on the correct version of the Ardunio IDE and the ProMicro board information. IDE 1.6.13 and board version 1.6.15 are working. Later versions changed the hardware serial implementation and the 9 bit changes will not work.
@@ -30,7 +30,7 @@ As Arduino board for the ProMicro you can either use the standard Arduino "Leona
The software is using several additional Arduino libraries (RCSwitch, Adafruit_GFX, Adafruit_SSD1306). These libraries have to be downloaded and installed.
The software is sending a beep to the Raymarine devices (Seatalk alarm function). This helps to get a feedback regarding the recognition of of a pressed key. The LED on the PCB blinks in addition if keys are sucessfully recognised. This should also help with trouble shooting.
The software is sending a beep to the Raymarine devices (Seatalk alarm function). This helps to get a feedback regarding the recognition of of a pressed key. The LED on the PCB blinks in addition if keys are successfully recognised. This should also help with trouble shooting.
# Programming the 433 MHz KeyFob
@@ -41,9 +41,9 @@ Send each code individually and programm the keys of the remote according to the
Key 1 = button A = -1 degree
Key 2 = button B = +0 degree
Key 3 = button C = -10 degeees
Key 3 = button C = -10 degrees
Key 4 = button D = +10 degrees
Have fun with the remote control.
Please be aware that this repository is only for educational purpose, to learn how to use the seatalk protocol. Use it on your own risk and do not use it for critical systems in real life environments.
Please be aware that this repository is only for educational purpose, to learn how to use the Seatalk protocol. Use it on your own risk and do not use it for critical systems in real life environments.