![]() I plugged in the IrDA stick and fired up JTrak and to my amazement it just worked. I knew that I could at least make some progress. Plugging the device into my trusty Thinkpad x31 showed that it quickly and easily worked both in Windows and Linux using the SmartTrak software from Uwatec, JTrak, and the test applications from libdivecomputer. When this guy arrived a quick scan showed that it was the exact same hardware as the official Uwatec dongle - both were based on the MosChip 7780 chipset. Fortunately, I was able to find another device that looked nearly identical from the outside - the IRJoy USB 2.0 USB IrDA adapter for $30. The official dongles about $70 and JTrak is a bit less than what I’m looking for in aĭive logging software. The official Uwatec USB->IrDA devices worked with JTrak on Mac OS X, however I read a few comments from folks saying that IrDA dongle that even worked with Mac OS X. Worked just fine with my my computer, how hard could it be? The answer isĪ lot more complicated than I thought. There was already support for IrDAĭive computers under Windows and Linux, and I had confirmed that they My first naive attempts were to hack an IrDA driver into the framework That MacOS X doesn’t even have full support for IrDA? Just try opening The PPC Mac and never really fully supported it anyway. Those that do support the Mac often only support The headaches of 10 years ago, including the near total lack of Mac Heart rate monitors from Polar, but for the most part the technology You can still find devices that use IrDA, most notably a lot of the Hot stuff being around the speed of the 28.8k modem that I used Pre-wifi, pre-edge days this was pretty hot stuff. Tether your laptop to your cell phone and get very slow data. Once cell phones were more common you could even You could use it to synchronized data with your Palm or Handspring Every laptop seemed to ship with an IrDA port built Now, in case you missed it, IrDA was all the rage in the 1990’s andĮarly 2000’s. However, the Uwatec Galileoĭecided to be more advanced and use what I’m sure was the hip ![]() Though a lot of devices, such as the Mares puck computers, haveĬorrosion resistant metallic contacts that connect to a USB controller There really isn’t a standard interface to these devices. The battery a process that requires tools and new grease for the Tend to be very well sealed and make even trivial things like changing Salt will corrode everything and it will die. Meters you’re facing about 400kPa of pressure - four times the Nor can you just put a USB port under a rubber flap. Means that you can’t just drop a USB port on the outside of theĬase. Volumes, they often license patented algorithms for estimating yourĪir consumption and remaining bottom time, and, of course, they need to be waterproof. Dive computers areĮxpensive for a couple of reasons: they’re produced in relatively low Getting this data off your computer isn’t trivial. Screenshot of jTrak - Does it feel like it's 1999? Yeah, we went for that kind of over the top dive computer and bought the Uwatec Galileo Luna. More advanced computers replace your entire diving console and provide a compass and wireless integration of you and your buddy’s pressure gauge. The most basic dive computers tell you your depth and warn you if you’re ascending too fast or are going to need a decompression stop somewhere along the way. One of the key components of diving is a dive computer. For the most part we’ve been very happy with our purchases and I feel like it’s made us much more comfortable when we’re underwater. We purchased our own equipment relatively early in the process of learning how to SCUBA dive - shortly after getting our open water certification, thanks in large part to a nice tax rebate. Fast forward to the present day and I’ve got a closet filled with neoprene, BCDs, fins, first aid kits, and a dive log filled with all sorts of certification cards from PADI. ![]() She likes aquariums and fish and I thought it would be a fun way to do something different when we travel. A couple of years ago I got the bright idea that I’d get my wife open water SCUBA certification as her Christmas present.
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