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Just a thought; If you have all the datas you need in node-red, maybe you can use a serial node to send it to?
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Hmm, was not aware of node-red. I can see how that could work, I'll take a look at it. But really, isn't openplotter setup to forward I2C sensor data to opencpn or other? Does it do it automatically and I'm just not aware of it?
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2017-04-06, 02:14 PM
(This post was last modified: 2017-04-06, 05:08 PM by jswalwell.)
Okay, I did get the nmea generator generating the **HDG sentence last night. However, even though navigation.headingMagnetic (Pi is on boat, this syntax from my memory) shows up in signalk, the value is static in the signalk diagnostic view (355.xx) and the data is 0.0 in the HDG sentence. When I go into the calibration stuff for the IMU the sensor is clearly working. Did I miss a step?
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Oh interesting. I just did a fresh download and install of openplotter on my second Pi to use as a test bench and the I2C tab has changed. It looks like there is auto-detection of sensors and checkboxes to output nmea data, in this case $HDG. Very nice! I'll give it a try this evening.
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For aggravation avoidance it might be worth the $12 to go back to the 9250.
Didn't have a chance to test the new I2C stuff last night, probably tonight.
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My thoughts exactly! Looking at Amazon now.