July 2019 Blog Posts (10)

Freeman - vertical take-off and landing fixed wing

Freedman -- is a vertical take-off and landing fixed wing with tilting transformation. The wing length is 2.1 meters, the flight speed is 18m/s, the A7R camera is mounted, the battery is 6S16000mah, the flight time is 70 minutes, the take-off weight is 6.5kg.

Added by makeflyeasy on July 18, 2019 at 6:16am — 1 Comment

Gas Drone 3 Hour flight time

Finally we got all the flight tests done on our hybrid generators.

You can see some of them on youtube like this one …


Added by Nicolai Valenti on July 15, 2019 at 2:21pm — 2 Comments

High frequency signal injection and field orientation control for brushless motors

After my field orientation control algo worked, I applied it to the quadrotor that I am building. Then, I noticed there are about 30% of chance of reverse spin in any of the hour motors. Then, things get pretty challenging, there are only about 0.7^4 of change that all motor will spin in correct direction. In real life, it is painful to start the…


Added by YC on July 13, 2019 at 6:30am — No Comments

Airbot Systems Mini carrier board combo

We are happy to introduce our new PCB boards, dedicated to the use of the famous Pixhawk autopilot : the Cube!

The Mini carrier board now comes with a Mini PDB 180A, that would help to keep the drone assembly as clean and compact as possible. You can find more details on the user manual (bottom of product page)…


Added by Airbot Systems on July 9, 2019 at 6:46am — 2 Comments

Share live stream and control drone with multi GCS ( one drone - multi GCS)

We are developing a function to share the stream video and controller drone with multi Ground control station (2-3 or more GCS) via internet ( wifi, 4G LTE).

For example: Have 2 GCS control drone same time (A…


Added by XBStation 4G UAV Solution on July 8, 2019 at 8:00am — No Comments

What happened to open source tracking cameras?

They began with the Skydio, a quad copter which could follow subjects through forests with only machine vision.  Today, subject tracking cameras based on machine vision have reached consumers in standalone packages, the facebook portal, the…


Added by Jack Crossfire on July 5, 2019 at 4:30pm — 3 Comments

uBlox ZED-F9P new GPS test (and comparison to M8 series)


This is a quick test and comparison between uBlox F9 and M8 series GPS. uBlox ZED-F9P is a multiband GPS that theoritically gets a better precision and faster acquisition.

Test was done using Ardusimple's SimpleRTK2B evaluation board.



Added by Hugues on July 5, 2019 at 9:09am — 1 Comment

New TBT-AV1 300Mhz SAME70/V71 (ARM M7 core) Flight/Robotics Controller Design Finished

The TBT-AV1 from Thomas Butler Technology, Rockford, Illinois, USA is a clean-sheet design 300Mhz flight/robotics controller using the Atmel/Microchip SAM E70/V71 (ARM M7 core with hardware AES256 encryption and FPU) automotive grade micro-controller. The I/O is compatible with…


Added by Thomas Butler on July 2, 2019 at 3:00pm — 8 Comments

VTOL testflight

Simple testflight of my E-Flite Convergence equipped with a pixracer flight controller complemented with a "sbus to pwm" home-made circuit to extend the number of servo outputs. Flight stack: Ardupilot Quadplane; Flight mode: loiter.

Added by andre van calster on July 2, 2019 at 9:00am — No Comments

Thermal camera for drones - range performance

We are very often asked about thermal camera performance to detect man-sized target (approx 1.7x0.5m) or detect small car (approx 2.5m x 2.5m). So we decided to create a short video that shows the thermal camera capability to detect  different sized objects (car, person, tractor etc.) at different distances (more in…


Added by Workswell on July 2, 2019 at 8:50am — No Comments

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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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