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Welcome to my blog. If you are interested in robotics, micro-controllers, sensors, automation, quad copters etc. you will find something to read here. Enjoy!

Nanoflyer updates after a long break

nanoflyer update

August 8, 2013 | Posted in NanoFlyer, Quadcopter | By

I have been busy for a while with various things. At the same time I was desinging the prototypes for the nanoflyer board to fit in a hubsan quadcopter frame, as well as designing the board for the miniTx transmitter.

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Micro Brushed Motor Driver Board.

micro brushed motor board

June 14, 2013 | Posted in Quadcopter | By

I have further shrinked the Brushed Motor Driver board and now it measures 12.5mmX12.0mm and weighs less than 1 gram. It is capable of driving four micro brushed motors rated at 3.7v and can provide up to 2.7A of driving

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The Cardboard Mini Quad

cardboard quad

May 26, 2013 | Posted in NanoFlyer, Quad Copter, Quadcopter | By

I wanted to try out a mini cardboard quadcopter frame and here is the result: Figure: Top View The cardboards came from a laptop packaging box. I first drew the arm outlines on the cardboard and then used scissors to

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New NanoFlyer board sneak view.

NanoFlyer

May 17, 2013 | Posted in Arduino, NanoFlyer, Quad Copter, Quadcopter | By

Sneak preview of the new version of the NanoFlyer board I am currently working on. It is smaller, lighter and smarter with more sensors. It has the MPU9150 9 axis sensor and MPL3115A2 precision baro/altimeter on board (missing the picture

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New NanoFlyer Video!

nanoflyer_v10

May 4, 2013 | Posted in Microcontroller, Quad Copter, Quadcopter | By

I finally got some time to record another video of the NanoFlyer quadcopter flying and also showing the updated MiniTX transmitter. I will make another video of the menu and different settings that can be tweaked from the MiniTX transmitter

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NanoFlyer 2.0 prototype board and the mini quadcopter

nanoflyer_v10

April 18, 2013 | Posted in Microcontroller, Quad Copter, Quadcopter | By

This is the mini quad with the NanoFlyer 2.0 board. The board has the newer MPU6050 Gyro/Accel and HMC5883L magnetic sensors. There are total of 5 LEDs on the board to show different indications, on board pcb antenna which has

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The mini USB->Serial

Reminder Image

April 10, 2013 | Posted in Arduino, AVR 8051, Microcontroller, Quad Copter | By

Here is another tiny project for my need of a small usb to serial device for easy programming and debugging of arduino. The device is built around the FTDI FT230X chip. It needs only a few passive extra components to

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The shiny new NanoFlyer v 2.0 board and some SMT soldering tips

shinynanoflyer_board

April 5, 2013 | Posted in Quad Copter | By

Just received the NanoFlyer v2.0 boards from Oshpark and put it together with my hot air station and hand soldering. I have got best results on soldering QFN chips by first tinning the pcb pads with solder and flux,  as

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