Thomas Butler
  • Rockford, IL
  • United States
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Thomas Butler replied to James Brown's discussion If you were building a Drone Room in Antarctica what would you want?
"The question remains; how would the multi-rotor or ANY drone which uses a magnetometer for yaw control be affected by close proximity to the magnetic pole(s), and whether or not that is an issue. Multi-rotors use the compass for the yaw sensor; yaw…"
Nov 21, 2019
Thomas Butler replied to James Brown's discussion If you were building a Drone Room in Antarctica what would you want?
"Does a compass work at the poles? Is the magnetic field too strong and out of range of a typical 5883 clone mag chip? Is it affected in real-time by the charged particles from the Sun (auroras [north pole])? Drones typically use a compass ( HMC5883…"
Nov 21, 2019
Thomas Butler commented on Matthew Silic's blog post Sensors for Attitude Estimation
"Additionally, if you are using the AK8963 (which is also embedded in some Invensense chips), you might want to switch to a 5883 clone component. I have used this part in my drone for YEARS with no problems. Note it is critical to not have any stray…"
Oct 20, 2019
Thomas Butler commented on Matthew Silic's blog post Sensors for Attitude Estimation
"Hello Matthew, Technical note regarding compass chips (magnetometers); most drones are using magneto-resistive magnetometers like the Honeywell 5883/5983, and not Hall effect sensors. One of the most common Hall sensors, the AK8963, has been…"
Oct 20, 2019

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Please tell us a bit about your UAV interest
engineer
Hometown:
Rockford, Illinois

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Season Two of the Trust Time Trial (T3) Contest 
A list of all T3 contests is here. The current round, the Vertical Horizontal one, is here

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