Wednesday, July 6, 2011

Netduino - project update

Since my last post I have been quite busy following basic tutorials (losely) and trying to achieve a few simple projects that may become part of my final project. This has been great for me to get to grips with c# and the .net framework and I am already starting to see similarities in between and the micro framework.

I have sucessfully managed to create a dimmer, initially this was a button triggered dimmer that turned a light on and off in a fading action. This has been refined with a more personal approach and I have managed to take reading from a pot and use this to affect the pwm port in order to dim the light. It's basic but it proves a point.

using System;
using System.Threading;
using Microsoft.SPOT;
using Microsoft.SPOT.Hardware;
using SecretLabs.NETMF.Hardware;
using SecretLabs.NETMF.Hardware.Netduino;

namespace CIRC_08
    public class Program

        static OutputPort led = new OutputPort(Pins.GPIO_PIN_D13, false);
        static AnalogInput potentiometer = new AnalogInput(Pins.GPIO_PIN_A0);
        static PWM pwm = new PWM(Pins.GPIO_PIN_D5);
        public static void Main()
            int sensorValue = 0;
            potentiometer.SetRange(0, 100);
            while (true)
                sensorValue = potentiometer.Read();
                Debug.Print("pot value = " + sensorValue.ToString());


Finally I have also ordered some extra bits and pieces, I have 10 shift registers, a real time clock, a new temperature probe and a few other bits on their way. I am currently trying to figure out if I can bypass the 6-7 v vcc on the lcd display I have in order to run it straight off the netduino. The idea being I will play around with the screen a little and then see if I can print my various reading to it. After that it will be logging data to the sd card!

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