DIY avionics for experimental aircraft
Bug fixes in Direct_GPS python script. The script sends satellite signal information into the CAN bus separately for each of the two constellations GPS (USA) and GLONASS (Russia) The messages have arbitration ID 101 and 102 respectively. The structure of …
Changed presentation of the GPS data. added some new info. Changed presentation of GPS information. Now all the number in the GPS screen are aligned to the right.GPS altitude now has the thousands separator (comma) making it easier to readTrack …
There were a few reports of Arduino Nano boards getting somewhat damaged during assembly and testing of the avionics units. Symptoms: The entire unit simply stopped working when powered via CAN-Bus. It is working fine when powered via USB. …
This Easter I spent driving around the neighbourhood testing the Angle of Attack unit with the pitot mounted on the bull-bar of my car. The tests generally confirmed that the basic principles and the methods are correct and the angle …
Super short post: Cheap Chinese Jinhu solder from eBay – bad, horrible, disgusting. Good solder: Kester SN60PB40 Rosin Solder https://www.oritech.com.au/kester-sn60pb40-rosin-solder-wire-454gm.html
The Honeywell pressure sensor I use in the EFIS is quite expensive. A few people asked if it can be replaced with cheaper option for the altimeter. The main reason I chose to use the Honeywell is that it has …
Just a few words about the LTC2983 chip I use for measuring EGT and CHT in my Engine management System (EMS) Before I found LTC2983 I experimented with a few chips from Maxim like MAX31855, MAX31856 etc. These MAX chips …
There was very little update recently. It is all because I’ve got a new job and spend very little time at home. I didnt drop the project though. There is a big progress on EMS. I’ll present it very soon.
I have started testing EFIS 19264 flying at zero ft AGL 🙂 In other words I have set it up in my car and compare magnetic compass to GPS magnetic heading and altitude to GPS altitude. Good news is the …
Several people asked me why I chose monochrome LCD display for my EFIS. Why not the colour one? Here is why: My aircraft (RV-12) has bubble canopy, so the instrument panel is exposed to the sunlight to a great degree. …