Version 1.0
by Dennis.Kim
contact: bluedskim@gmail.com
See the online documentation here: https://bitbucket.org/bluedskim/simplemonitor8x8 See examples/ directory for simple examples
#include <LedControl.h>
#include <SimpleMonitor8x8.h>
int potpin = 0; //set analog interface #0 to connect photocell
int val = 0; //define variable val
// Please refer to http://playground.arduino.cc/Main/LedControlDemos
LedControl lc=LedControl(12,11,10,1);
// I think the maximum value is 567
// If you want to see more dynamic chart, put 'true'
// but I don't want dynamic rescaling chart(automatic zoom feature), so I put 'true'
SimpleMonitor8x8 mon8x8 = SimpleMonitor8x8(567, true);
void setup()
{
/*
The MAX72XX is in power-saving mode on startup,
we have to do a wakeup call
*/
lc.shutdown(0,false);
/* Set the brightness to a medium values */
lc.setIntensity(0,8);
/* and clear the display */
lc.clearDisplay(0);
mon8x8.demo(lc);
}
void loop()
{
val = analogRead(potpin); //read analog
// 1. View 2Digits only
//mon8x8.display2DigitsTo8x8(lc, val);
// 2. View line chart only
mon8x8.displayLineChartTo8x8(lc, val);
// 3. View 2Digits and line chart in turns
//mon8x8.displayTo8x8(lc, val, 500);
delay(250);//delay 0.5 s
}