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  5v UPS
Posted by: PaddyB - 11-12-2017, 03:46 PM - Forum: General discussion - Replies (26)

Came across this youtube of a 5v UPS, might be of interest to a few on here..


  Fishfinder navman 4100 to Openplotter
Posted by: callmecalanca - 11-09-2017, 04:22 PM - Forum: How do I...? - Replies (2)

I connected the white wire to the R+ of nmea to USB adapter, and the ground to R-
Added the adapter in the USB tab in Openplotter
Added in connection at 4800 baud in nemea tab in Openplotter
This is the output in inspector


These are my settings

[Image: 3fa1fbd2aeb91acf4fb54ccd6130fe79.jpg]

How can I have deep in signal k instrument panel?

  Dual XGPS150 not recognized
Posted by: Alexhl - 11-07-2017, 11:10 PM - Forum: How do I...? - Replies (1)

This is the last part of my Navigation setup. I am able to connect to the Gps through Blutooth but then I get a message that says "there is nothing on this device that can be used". The switch on the XGPS is set for Android devices. There must be something else I am missing.  It connects right up on my IPad. Any help appreciated.

  EPsolar/ tracer SignalK
Posted by: ddelorme - 11-05-2017, 04:06 PM - Forum: General discussion - Replies (6)

I am working on a python app that reads data from a epsolar tracer mppt unit and puts the data into signalK.

data can be displayed in node-red or signalK diagnostics in OP
would this be of interest to any one else?

  More text options for mqtt?
Posted by: PaddyB - 11-05-2017, 12:51 PM - Forum: Feature Requests - No Replies

Would it be possible to allow some more character options for MQTT topics? It seems to be becoming normal to use "/" in topics for a sort of drill down of topics - something  like "boat/battery/mainbank/volts". 


  Esp8266 - esp easy
Posted by: PaddyB - 11-05-2017, 12:48 PM - Forum: General discussion - Replies (19)

Anyone else had a play with esp easy and an Esp8266?  Looks very promising. 
Confession time first, I zapped the i2c & 1wire pins on a Pi3 yesterday in under the chart table trying to tidy up the wiring for some DS18 thermometers, a B180 barometer and a ADS115 voltage sensor, one wrong move with what shouldn't have been a live wire but was to the batts and that was that - tiny spark and pins gone, at least the Pi still mostly works. 

So plan B, leave the Pi safe and sound tucked away then send everything via wifi. Esps are dead cheap -  Google came up with Espeasy.

Up and running quite quickly, brief overview -
Download some software, plug the Esp into a laptop and run an install program which loads new firmware onto the esp, log onto the new Esp hotspot - a web page appers where you can connect to a network like openplotter. Log on to that network and the Esp creates a website where it's easy to connect hardware, send MQTT/UDP etc, loads of options. 
So after not too much head scratching now we have a cheapo Esp8266 reading voltage and temperature then sending it out over mqtt. Openplotter turns it into signalk in the mqtt tab. 

Looks very promising so far, multiplexing serial data with serial - TTL adaptors next, I had that working just with a basic sketch before so here's hoping! Cool

  Daisy Hat AIS, no Bluetooth
Posted by: Alexhl - 11-04-2017, 04:51 PM - Forum: How do I...? - Replies (3)

I just installed the Daisy Hat AIS in my RPi3 and ran the UART control shell. Rebooted and now my Bluetooth is disabled [Image: dodgy.png]. I have a Dual Bluetooth GPS receiver that I would like to use. What can I do?
Thanks, Alex

  USB NMEA 0813 Converter
Posted by: GrumpyCy - 11-04-2017, 04:12 AM - Forum: How do I...? - No Replies


I've been using OP for a year now, mostly for sending AIS data to my laptop plotter, it's been brilliant. Now I would like to start using more of the capabilities.

I would like to get data from both my depth sounder (made by autohelm) and my wind instrument (nasa). Do I need one usb dongle for each or do I pair up the wires into the appropriate terminals on the device?

I'm sorry if this is obvious (or the information is elsewhere, I've not been able to find out).

Thanks for your help (I hope).


Sent from my Swift 2 using Tapatalk

  Connecting to cable modem
Posted by: Alexhl - 11-03-2017, 03:26 PM - Forum: How do I...? - Replies (3)

This is a newby question. I just upgraded to a pi3 and NOOB 10. I cannot figure out how to connect to my home WiFi modem to connect to the internet? I had no trouble with the pi2. Should it not be obvious? What am I missing? Thanks

  arduino on I2C
Posted by: Sprokkie - 11-02-2017, 05:38 PM - Forum: General discussion - Replies (23)


is it possible to connect an arduino on i2C with openplotter te get values from sensors connected to the arduino in openplotter ?

if no

what would be a better or the corect solution for connecting arduino to openplotter ?