I bought the Humminbird for the Laser, and have had it on there for like 5 years now. (I'm a recreational-only sailor.) The depth sounder and bottom profile display are the most important reasons why I got it. I sail mostly in reservoirs which are flooded river beds with bluffs and all, so there are huge variations in the lakebed profile that are hard to visualize or memorize, and the water level generally varies by 12-14 feet from high to low. I also plotted specific key points for which I know the elevation, so I have a decent idea of how much water there will be over those points.Have you tried this fishfinder on a Laser? And if so, where do you put it?
Thanks.
I made my own GPS data logger and you can set the frequency in the software. I put it in my kids boats while they race so we can review in Google earth later on. It shows speed, mark roundings penalty turns etc.
It isnt that difficult to do with an Arduino and I dont mind sharing the code with anyone who wants to try it out.
Arduino Demilanove 328, this is the brain of the controller. Think this controller has been replaced by the Arduino Uno.
IF gps is accurate enough in Poland (and that's a big IF) you might want to look at getting an older used Garmin handheld from Ebay. The GPSMAP 76 will report speeds down to 10ths ie 4.5 and is quite accurate here in the USA (we use a couple of them on the big boats I sail from time to time and they are usually spot on with the boat's own instruments when there is no current involved) The device is waterproof as well. Should be able to find them for well under $100 I have compared this with the GPS on an IPhone 3S, which is not as accurate at low speeds
I completely forgot about the Arduino! I was going to buy one to build a slider controller for my camera but I post pone it. Now I see that I might use it for a few different things. Author of that slider says that I need:
Can you describe what elements you used to build this logger and how it works? I mean is there any display, "start-stop button" and things like that. I saw that the measurements are quite accurate. I'll try to become an Arduino expert in a next few days but now I know only that I need Arduino plate and GPS receiver. I want to buy version that might be usefull in future for this slider.
Anyway, thanks for this message!
I finally found accuracy of my gps. It's somenthing about 1m. But still it doesn't show the speed as I want it. Buying Garmin GPS will be the last step when Arduino and other fail