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Shivaram K R

Member Since 04 Aug 2013
Offline Last Active Sep 03 2013 04:40 PM
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Topics I've Started

Using joystick and 8x8 LED matrix with Netdunio 2.0

31 August 2013 - 05:19 PM

I have made an introductory tutorial for using joystick and 8x8 LED matrix. In the tutorial I have explained how we can move the LED in the LED matrix to show the current joystick position.

 

http://path2buildrob...atrix-with.html

 

Full code included.Attached File  JoyStick.zip   60.61KB   1 downloads


Netduino2 ultrasonic sensor + 8x8 LED matrix + Speaker

04 August 2013 - 05:13 PM

I am sharing my C# code for Netduino 2 here. The project uses Ultrasonic distance sensor (HC-SR04) with 8x8 LED matrix (available in Adafruit store http://www.adafruit.com/products/872 ). When the object is close the whole LED matrix is ON, when the object moves far away the number of LEDs which are ON reduces. It also generates sound based on the proximity of the object.

 
Pin 5: SONAR trigger,
Pin 0: SONAR Echo
Pin 6: Speaker
SCL: LED Matrix clock 
SDL: LED Matrix data
make VCC and Gnd connections to +5V and GND
 

 

Run this program in the file attached.
 

I will be writing cleaner library with classes etc later. Any suggestion to improve the efficiency of the code is welcome.


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