kamlesh kandel
This program is about using a temperature sensor and displaying the temperature on the LCD screen. Not only that when the temperature drops below 25, but the heater is also turned on and the temperature rising above 25 leads to turning on the fan.
Dependencies: mbed TextLCD TMP36
Revision 0:e62ddeb80a57, committed 2021-10-30
- Comitter:
- kamleshkandel
- Date:
- Sat Oct 30 04:23:46 2021 +0000
- Commit message:
- Kamlesh's Project on an embedded systems. This program is about digital thermostat.
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TMP36.lib Sat Oct 30 04:23:46 2021 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/zchen311/code/TMP36/#ab3d7d0c34ce
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TextLCD.lib Sat Oct 30 04:23:46 2021 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/simon/code/TextLCD/#308d188a2d3a
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Sat Oct 30 04:23:46 2021 +0000
@@ -0,0 +1,47 @@
+#include "mbed.h"
+#include "TextLCD.h"
+
+
+
+
+TextLCD lcd(PA_5, PA_6, PA_7, PB_6, PC_7, PA_9, TextLCD::LCD16x2);
+AnalogIn tmp36(PA_0);
+
+PwmOut motor(PA_8);
+
+
+
+
+int main()
+{
+
+ while(1) {
+ float voltage=3.3f*tmp36.read();
+ float temperature=100.0f*voltage-50.0f;
+ char buffer[14];
+
+ sprintf(buffer,"Temp in C=%.2f ",temperature);
+
+
+ lcd.locate(0,0);
+ lcd.printf(buffer,0,0);
+ float ain;
+ ain =tmp36.read();
+ printf("The temperature:",tmp36.read());
+ if (temperature >=25){
+ motor.write(.5f); // (ain);
+ }
+ else if (temperature<25) {
+ motor. write(.0f); //period(0.0f);
+ }
+
+
+
+
+ wait(1.0);
+
+
+ }
+}
+
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Sat Oct 30 04:23:46 2021 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/mbed_official/code/mbed/builds/65be27845400 \ No newline at end of file