Thursday, October 17, 2013

7” Nexus Tablet as Instrument Display

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I have been experimenting in building custom displays on a 7” Nexus tablet, from 10 Hz live data received through Wi-Fi from my master micro...
3 comments:
Wednesday, November 28, 2012

GPS data from Wifly to Android phone (Part 2)

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As a proof of concept, I have created a simple app that fetches the last UDP packet received, and displays its contents in a floating messag...
2 comments:
Tuesday, November 20, 2012

GPS data from Wifly to Android phone (Part 1)

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Once an Access Point has been created on the phone with the app described in the last post, we can use the app’s data to configure the RN-...
1 comment:
Sunday, October 14, 2012

Talking to an Android phone through Wi-Fi

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In this system, the master controller sends its serial data to a laptop through a USB-to-Serial converter.  The laptop is responsible for cr...
14 comments:
Saturday, June 23, 2012

Compass calibration on the water

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Even if an electronic compass has been meticulously calibrated on land in a non-disturbed magnetic environment, it will need additional cali...
8 comments:
Thursday, June 21, 2012

Interfacing the Raymarine ST1000+ Autopilot

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I understand that the Raymarine ST1000+ autopilot (and the similar ST2000+) can receive exterior heading data through the SeaTalk bus, speci...
Tuesday, April 10, 2012

Building the 3 MHz ultrasonic transducer

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A first 3 MHz transducer prototype is ready for testing. A vintage Airmar ST200 speed transducer housing has been modified to receive the pi...