Blog Archives

Pressure sensors

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

Posted in EFIS 19264

LTC2983 Temperature measurement chip

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

Posted in Engine Management

Progress on the projects ….

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.

Posted in Uncategorized

Bosch BNO055 disappointments

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

Posted in EFIS 19264, Testing

Display: Colour vs Monochrome

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.

Posted in Display

EFIS compass testing

Started testing the EFIS 19264 ver 1.2 in the car. I was hoping the self-calibration function of magnetometer will align it relatively quickly. No dice. Driving  to work for 40 minutes each way didn’t align the compass. Plan for the

Posted in EFIS 19264, Testing

Inspiration: Arduino based EFIS

Long discussion about Arduino based avionics on HomebuiltAirplanes.com Lots of information and inspiration http://www.homebuiltairplanes.com/forums/showthread.php?t=21605

Posted in Inspiration

Inspiration: CAN Bus links

CAN Bus discussion on Arduino Forum http://forum.arduino.cc/index.php?topic=131096.540 First CAN Node: LEDs and Sensors CAN Bus to WiFi interface ESP8266 MCP2515 CAN Bus to Wifi Gateway

Posted in CAN Bus, Inspiration

Inspiration: Angle of attack

Arduino base angle-of-attack unit (AOA) http://www.rivetbangers.com/forums/viewtopic.php?t=4704 Science behind differential AOA sensors http://www.nar-associates.com/technical-flying/angle_of_attack/DeltaPAOA_wide_screen.pdf http://nar-associates.com/technical-flying/angle_of_attack/DFRDAS_AccurateLowCostAoA.pdf

Posted in Angle of attack, Inspiration

Inspiration: ESP8266 WiFi – a few links

Fancy WiFi stuff on ESP8266 Interfacing ESP8266 WiFi chip http://www.forward.com.au/pfod/ESP8266/GPIOpins/ESP8266_01_pin_magic.html Some more on ESP8266 A cleaner ESP8266-12 hardware setup

Posted in ESP8266, Inspiration, WiFi