Thomas Butler
  • Rockford, IL
  • United States
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Thomas Butler commented on Pedro Matabuena's blog post mRo Control Zero Autopilot for Unmanned Vehicles
"Additionally, mRo, I'll sell you my design using the SAM E70; KiCad schematic, board layout files, BOM, everything...time for me to retire.. It's a COMPLETE autopilot/flight/robotics controller. Fully DroneCode compatible at 300mhz on…"
Oct 5
Thomas Butler commented on Pedro Matabuena's blog post mRo Control Zero Autopilot for Unmanned Vehicles
"Perhaps a new name is needed for this product; maybe "auto-pilot processor" or "APP". It's not a complete auto-pilot. It's more like the "cube"; CPU & gyro/accel/mag with different I/O connector (two…"
Oct 3
Thomas Butler commented on Echo G's blog post The Dumb-Battery Era is Over
"Additionally, all that is needed for a standardized battery; with an SMBus output over I2C/CAN/RS422 or whatever..."
Oct 2
Thomas Butler commented on Echo G's blog post The Dumb-Battery Era is Over
"@kelly, I was referring the electronics as being a no brainer. Indeed getting them to make a battery specifically for drones and then standardize it is a challenge. Chinese battery makers/sellers (aka HK) are reluctant to upset the status quo;…"
Oct 2
Thomas Butler commented on Echo G's blog post The Dumb-Battery Era is Over
"No need to re-invent the wheel. "Smart" LiPO batteries already exist. They are used by Milwaukee, DeWalt, Black and Decker, etc. I have recharged my M18 Milweaukee drill LiPO battery dozens of times, and it is STILL going strong. The…"
Oct 1
Thomas Butler commented on Echo G's blog post The Dumb-Battery Era is Over
"Why not just add I2C and additional smarts to a battery monitor module (the $4 low battery alarms) that connects to the battery cells connector rather than changing all the battery connectors AND the batteries? You are asking battery manufacturers…"
Sep 25
Thomas Butler commented on Patrick Meier's blog post Affordable cargo drone now available after testing in 3 countries
"Perhaps go back to the drawing board and re-design so there is no need for "repairable". The days of fragile "drones" that smash to smithereens in a crash are over. Those antennas do NOT need to be on sticks when the electronics…"
Sep 17
Thomas Butler commented on Patrick Meier's blog post Affordable cargo drone now available after testing in 3 countries
"What happens when a gust of wind or other anomolie causes the copter to flip; SMASHED antennas? The  idea that a GPS antenna needs to be up on sticks is just plain marketing hype. Properly designed/shielded electronics will not emit harmonics…"
Sep 17
Thomas Butler commented on Nicolai Valenti's blog post Gas Drone 3 Hour flight time
"Looks a bit tippy!  Can it do more than hover? Perhaps it needs a Pixhawk! Are you familiar with UTC (specifically UTAP division) in Rockford, Illinois. They are working on hybrid generators for primary aircraft propulsion."
Jul 16
Thomas Butler commented on Thomas Butler's blog post New TBT-AV1 300Mhz SAME70/V71 (ARM M7 core) Flight/Robotics Controller Design Finished
"@Kendall, Thanks for the info. For beyond the real PWM outputs, there is an SBus output port on the TBT-AV1. With the Atmel E70/V71 300Mhz (ARM M7 core) MCU, there is plenty of processing power to support it."
Jul 8
Kendall Wells commented on Thomas Butler's blog post New TBT-AV1 300Mhz SAME70/V71 (ARM M7 core) Flight/Robotics Controller Design Finished
Jul 7
Thomas Butler commented on Thomas Butler's blog post New TBT-AV1 300Mhz SAME70/V71 (ARM M7 core) Flight/Robotics Controller Design Finished
"@Kendall, The E70/V71 does have an ethernet interface in the MCU, but the ethernet pins are shared with PWM pins and are not usable at this time. A change to the 144pin version of the MCU would allow both. Specifically what…"
Jul 4
Thomas Butler commented on Thomas Butler's blog post New TBT-AV1 300Mhz SAME70/V71 (ARM M7 core) Flight/Robotics Controller Design Finished
"@Kendall, the E70/V71 does have an ethernet interface in the MCU, but the ethernet pins are shared with PWM pins and are not usable at this time.  Specifically what "Professional/Military modems" do you have in mind? @Jakob, Indeed.…"
Jul 4
Thomas Butler commented on Thomas Butler's blog post New TBT-AV1 300Mhz SAME70/V71 (ARM M7 core) Flight/Robotics Controller Design Finished
"@Hugues:1.The sensors and outputs are listed in the overview and specs doc at here.a."Invensense/TDK ICM-20602 temp compensated gyroscope/accelerometer ICs interfaced using high speed SPI""b."Omron 2SMPB-02E or NXP…"
Jul 4
Jakob Schmidt commented on Thomas Butler's blog post New TBT-AV1 300Mhz SAME70/V71 (ARM M7 core) Flight/Robotics Controller Design Finished
"What's the projected price point?  mRobotics FC's are made in the US, FYI and so is one of the Cubes."
Jul 3
Kendall Wells commented on Thomas Butler's blog post New TBT-AV1 300Mhz SAME70/V71 (ARM M7 core) Flight/Robotics Controller Design Finished
"I find it amazing "new" FC designs do to include Ethernet for Professional/Military modems"
Jul 3

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Hometown:
Rockford, Illinois

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