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Areoquad: The Open Source Quadcopter

January 13, 2012 by Chris
“AeroQuad hardware typically consists of an Arduino MCU as the flight controller board and an AeroQuad shield with various sensors, such as an accelerometer and gyroscope. AeroQuad software is written in C and uploaded to the MCU via the Arduino IDE. It currently supports an Acrobatic Mode that uses only the gyroscope for flight assistance, and a Stable Mode that uses the gyroscope and accelero-meter for leveled flight assist.”

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SkeyeCopter UAV

December 20, 2011 by Chris
“In previous and parallel work with autonomous airships we gained experience with UAV control and autonomous navigation. Compared to airships, the multirotor UAVs we use in one of our current projects are of course much smaller and can carry much less payload. On the other hand, due to their size, they can be deployed a lot faster and do not require any preparation except for connecting the batteries.”

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ARM Based Quadcopter

December 6, 2011 by Chris
“The electronics setup consists of an ETT STM32 stamp module which runs custom flight software written in C. The board contains an ARM Cortex M3 microcontroller with 64K of RAM and 512K of flash rom. The board itself runs at 3.3V, but the inputs are 5V tolerant.”

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PIC Powered CNC Drill

November 23, 2011 by Chris
“Made from Dremel drill and drill press. I removed the bottom plate & mounted the column to the back with U-bolts. Acrylic is so easy to work with. It can be cut, drilled milled & glued and it’s very strong, doesn’t warp or break easily. The design is the same as the big PCB drills, the table moves, not the drill head. With the exception the real machine tables I’ve worked around ride on air.”

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FPGA MD5 Cracker

November 9, 2011 by Chris
“For my Digital Systems Laboratory (ECE 385) at the University of Illinois I had to do a final project using a field-programmable gate array (FPGA). My partner and I designed a hardware implementation of the MD5 algorithm and used it to crack MD5 password hashes. A FPGA allows you to prototype digital circuits by utilizing a hardware description language such as VHDL.”

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FPGA Controlled Quad-Rotor Helicopter

November 4, 2011 by Chris
“The Quad Rotor Helicopter is a semi autonomous robot. It flies with 4 rotors arranged in a + sign configuration. The Quad Rotor is a work in progress. The Quad rotor takes sensory input into an FPGA. The FPGA filters the input and runs a PID controller to control the speed of each propeller. The FPGA offers all of the sensor data to a cpu and the cpu makes decisions about the orientation.”

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HeliPOV With Videos

October 11, 2011 by Chris
This guy took the spinning POV idea one step further and added them to his helicopter's rotor. There's good control over the display as you can see in the few videos he has posted. The article has the source files of the software and hardware used to build the project, so take a look and build your own!

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Quattrino Quadcopter

October 7, 2011 by Chris
“September 2009, Quattrino's project started as our Mechatronics Engineering graduation project in the German-Jordanian University. Quattrino or Quadrotor (which is the common name for it) is an aircraft classified as rotorcraft, lifted by four rotors and able to vertical take-off & landing (VTOL).”
The project article has all the hardware, electrical and software details so go build your own!

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Flyback Transformer Drivers

September 21, 2011 by Chris
“Flyback transformers are found in monitors, TVs or anything with a CRT, and are sometimes known as Line OutPut Transformers, or just LOPT. They are used for generating high voltage for the CRT, which is needed to create an electric field, which in turn accelerates electrons towards the screen, which finally excite phosphors and create the image you see.”

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CNC Panel Cutter

August 20, 2011 by Chris
Here's a CNC panel cutter that uses the NXP mbed platform to give you control to move a drill on x, y and z axis. The platform allows for manual or automatic scripted control of the drill and display output on two 16x2 LCDs. The project documentation is comprehensive as this is a design entry for an NXP contest.

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