I have a G-scale train made by LGB that we get out at Christmas to run around the tree. A few years ago the controller stopped working, and it turns out they are pretty expensive to replace (here is an affiliate link for the control, there was also a power supply.) This post shows how I … Continue reading DIY G-Scale Train Controller
Monitoring the morning brew with the internet of things. Do you want to know when your coffee is done brewing but are too lazy to walk over to see for yourself? Do you need to monitor your coffee pot when you are out of town? Probably not, but here is one solution to the non-problem. … Continue reading Internet of Coffee!
Dumbo is an autonomous research vessel constructed by students at Cal Maritime. Dumbo carries temperature, salinity, and dissolved oxygen sensors and makes oceanographic observations in the waters off of the Cal Maritime Campus. This work has been supported by the CSU Council on Ocean Affairs, Science & Technology (COAST). Dumbo is guided by an Ardupilot … Continue reading Dumbo the Autonomous Boat
I had an email request to find this project from 2010... I updated the code too! This project takes the pulse from a paddlewheel boat speed sensor and makes an NMEA output on the serial port. It should work with most through-hull speed transducers, and also with windspeed transducers too. The NMEA stream comes from the … Continue reading NMEA 0183 Speedometer
This is an update of an old project. Click the link to navigate to the Richmond Yacht Club's Wednesday night beercan starting line. It uses your phone's GPS info and system clock. To make this work: You need to browse the link below on a smart phone with a GPS. The link must be … Continue reading Start timer
I have been documenting the build of n3m0, my latest autonomous boat over at hackaday.io. It has been pretty successful so far, here are some links: The project page. I won $1000 in the hackaday prize! Actually $2000! Feature on hackaday.com Feature on hackster.io Someone else is already building another one
If you're looking for my old site, sorry it got hacked and had to be put down. You can email me (mholden at csum dot edu) if you are trying to find something specific.