mijimy_group / Mbed 2 deprecated exercise5_7

voltmeter

Dependencies:   TextLCD mbed

Diff: main.cpp

Revision:
0:1331e9500387
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Nov 13 02:16:49 2015 +0000
@@ -0,0 +1,21 @@
+#include "mbed.h" 
+#include "TextLCD.h" 
+TextLCD lcd ( p26, p25, p24, p23, p22, p21 ) ; // rs, e, d4 d5, d6, d7
+AnalogIn Ain ( p17 ) ; 
+int percentage ; 
+float voltage;
+int main( ) 
+{   while(1) 
+    {   percentage = Ain * 100 ; 
+        lcd.locate ( 1 , 0 ); 
+        lcd.printf("percentage:");
+        lcd.printf ("%i" , percentage) ; 
+        voltage= Ain*3.30-0.3;
+        lcd.locate ( 1 , 1 ); 
+        lcd.printf("Voltage: ");
+        lcd.printf ("%.1f" , voltage) ; 
+        lcd.printf(" V");
+        wait(0.02) ; 
+        lcd.cls( ) ; 
+        } 
+}