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Month: August 2020

A weekend adventure (and a lifeboat shout)

A view from the helm of Blue Opal, showing the sea state.

Earlier in the month, I had decided that I’d try a jaunt down the coast to see how far I could get on a single ebb tide, and then I’d come back up on the flood; I estimated that it’d

Duncan 2020-08-312020-09-01 Sailing Read more

Getting and displaying tide data

A screenshot of the DMYC slipcam and tide data

The DMYC has an IP camera pointed at the slip; the URL is very creative, it’s slipcam.dmyc.ie. Through the power of a Python script that knows how to talk to Twitter and another API, the image that gets sent to

Duncan 2020-08-172020-08-17 Code Read more

Sunday fiddling

Showing the new labels on switch bank 3; a label saying this is switch bank 3, and a label for the waste pump

I was going to slip Blue Opal today, but ended up offering my slot to another boat that needed the slot more than I did. After being boatman for a bit, and having a good chinwag over a cuppa with

Duncan 2020-08-162020-08-16 Sailing Read more

Wiring in the B600s – Saturday

A photo of all the wiring in the wiring locker on Blue Opal; square-on view showing the AIS, multiplexer, bus bars, and fuse blocks

I spent part of Friday, and most of Saturday working on getting the AIS unit integrated into Blue Opal’s network, measuring the output of the engine tachometer, and generally fiddling with the electrical wiring locker (tidying it mostly). The end

Duncan 2020-08-162020-08-16 Sailing, Technology Read more

Wiring in the B600s – Friday

A photo of the wiring locker showing the complete mess of wiring that needs to be sorted out

I spent part of Friday, and most of Saturday working on getting the AIS unit integrated into Blue Opal’s network, measuring the output of the engine tachometer, and generally fiddling with the electrical wiring locker (tidying it mostly). The end

Duncan 2020-08-162020-08-17 Sailing, Technology, Uncategorised Read more

Alarm sentences from the B600s

A picture of the B600s AIS unit showing the NMEA connectors and status lights

The B600s emits some custom sentences to indicate that there are problems (and also turns on a LED labeled “Err”). Some begin with PAMC, others with AIALR. If I remember the NMEA spec correctly, P* are proprietary, so PAMC is

Duncan 2020-08-132020-08-16 Sailing, Technology Read more
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