• Prague
  • Czech Republic

Kolin's Friends

  • Evan-cs
  • BingRu Guo
  • Mike Eisen
  • Semyš
  • MV Reddy
  • SlimTom
  • Ujjwal John
  • Gisela & Joe Noci
  • Itay Guy
  • Madhu Nuggehalli
  • Greg Fletcher
  • Paul Marsh

kolin's Groups

kolin's Discussions

Upgrading from 2.40 to latest 2.73, possible inconveniences?

Started this discussion. Last reply by Monroe King Jun 2, 2013. 1 Reply

Hi,I have nice setup of APM1 (2560) with Arduplane 2.40 in large flying wing. Plane is grounded for about a  year now and I want to fly it again. It worked well, everything was set up well. I am…Continue

What CAD software are you using and why?

Started this discussion. Last reply by Andrew Adams May 7, 2012. 2 Replies

Simply:What CAD software are you using and why?Me:For 2DI use Solid Egde 2D Drafting  - free versionIt's "free" (you need to register). I tried many of CAD programs, both free and full versions…Continue

APM1.4 2560 failed I2C

Started this discussion. Last reply by Jake Stew Apr 5, 2012. 3 Replies

Hi,Just before maiden of my Funjet APM stopped working. After few hours of debugging I figured out I2C devices are not working, preventing APM to initialise. After all I wrote simple programvoid…Continue

Tags: static, discharge, ESD, I2C

Using android phone on plane for telemetry and other

Started this discussion. Last reply by kolin Nov 6, 2011. 2 Replies

I have idea of using cheap android phone on the plane. If  attach simple bluetooth<>serial module to Ardupilot telemetry port, Android phone will be able to conect to it. Then special software…Continue


kolin's Page

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About Me:
Please tell us a bit about your UAV interest
fpv, mikrokopter

Kolin's Blog

RC system on 868MHz based on OpenLRS

Posted on December 23, 2012 at 11:35am 21 Comments


About year back, I found OpenLRS. When looked on schematics I discovered it's really simple. I checked local parts supplier and found out 433Mhz and 868Mhz RFM22B modules to be about 9$ Then calculated that price would be half if I do it myself. So I ordered 433Mhz (868 was not in stock) ones and started to copy Flytron's…


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