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Using 74HC595 and CD4017 to expand IO of MCU for driving a scrolling dot...
I found this very well written blog post on the web on how to use your microcontroller with limited I/O pins to drive large dot matrix led displays. The article explains how to use 74HC595 shift...
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STM32F0 Discovery Evaluation Board from ST
Description: The STM32F0DISCOVERY helps you to discover the STM32F0 Cortex-M0 features and to develop your applications easily. It includes everything required for beginners and experienced users to...
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The NanoFlyer 1.0 board
I am currently working with a few prototypes. One of those is the NanoFlyer board. It is tiny flight control board for small quadcopters. The board is based on the PiCopter by Frank Zhao with a few...
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TinyLEO v 1.5 boards are here and assembled one already.
One of the prototype I have been working recently on is a tiny Arduino Leonardo clone. I am calling it TinyLEO. Here is the second version of the board with the Atmega32U4 TQFP package. The board is...
View ArticleSimple LED blinking test with TinyLEO
Here is a simple LED blinking test with the TinyLEO board. Arduino sketch: int led = 13; int led1 = 17; void setup() { pinMode(led, OUTPUT); pinMode(led1, OUTPUT); } void loop() { digitalWrite(led1,...
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Playing tunes on TinyLEO using modified toneAC library
When looking for an arduino project on segway robot I came across this web page and it has some example of playing musical tunes on arduino using the arduino tone library. I wanted to give it a try...
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The tiny quadcopter flies!
I posted the photo of my 1″x1″ NanoFlyer board couple of weeks back. I have managed to port MultiWii 2.2 code to this board and the quadcopter flies quite nicely! The home made transmitter and...
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The mini USB->Serial
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...
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NanoFlyer 2.0 prototype board and the mini quadcopter
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...
View ArticleNew NanoFlyer Video!
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...
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