Hobbypower Kk2.15 Multi Rotor Lcd Flight Controller V1.9 S & Protect Case Box Kk2.0 Kk2.1
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- Product Group: Toys & Games
- Product Type: Remote- & App-Controlled Vehicle Parts
- Brand: Hobbypower
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Most helpful customer reviews on Amazon.com
So here's the scoop. The plastic case's right button's extension "finger" is molded too long, so when the case lower right corner is tightened down, the button finger compresses the switch on the circuit board, thus forcing it into a constant "on" condition, causing it to blank the screen on boot. The solution is to sand or carve about 1/64" off of the tip of the plastic finger. Don't remove too much. I used a rotary tool with a sanding disk to take a little off at a time.
I also flashed Stevies 1.19S firmware and it took the flash without issue. Tuning was tricky because the I gain of 250 was way too high. Otherwise, it has performed properly. 5 stars for cost and flexibility; three stars for poor worksmanship. - 4 stars
So besides the fact that the LCD screen doesn't work, this thing actually flies pretty well. On a side note, if you update the firmware and you try to re-tune it, make sure the one with the working LCD screen is also updated as the update could create new menu items depending on which firmware you choose. So if you're buying this because you like the idea of having a LCD screen, make sure you buy a few extra boards or replacement LCDs. It almost seems like the manufacture purposely puts broken screens on them just to make people have to buy more.
I've flown it stock X configuration and it's pretty good. It does have glitches with the stock firmware, but I was able to upgrade its firmware to the lastest by Steveis.
Some recommendations I have for anyone who's just getting into the hobby is to buy this inexpensive board. I'm sure there are better ones out there with barometer and other options, but this one will do just fine and on the plus side this is exactly like the Hobbyking kk 2.15 just branded differently so you can get a lot of help and instructions online.
Having said that, I also recommend you update its firmware when you first get it. You can find a manual for this board if you google kk 2.15 or 2.1. Follow the link to hobbyking and under file there should be a firmware and a manual.
To upgrade it's firmware, you'll need a usbasp. (read more on this if this terminology makes no sense to you)