for textbook v4.4

Dependencies:   mbed

/media/uploads/HeptaSatTraining2019/light_sensor_-_---.jpg

Sensor model number : TEMT6000

Sensor Specification

• Operating voltage: 5 ~ 6V

• Consumption current: 20mA]

• Operating temperature: -40 ~ 85 deg C

• Wavelengths: 390700nm

• Size 10x10mm

How to connection with HEPTA-Sat

Vcc → 5V (supply voltage)

GND → GND

SIG → p15 (mbed AnalogIn)

Committer:
alfmar
Date:
Mon Mar 22 22:50:36 2010 +0000
Revision:
0:69dfca36c935
Child:
1:490f190a8023

        

Who changed what in which revision?

UserRevisionLine numberNew contents of line
alfmar 0:69dfca36c935 1 #include "mbed.h"
alfmar 0:69dfca36c935 2
alfmar 0:69dfca36c935 3 Serial pc(USBTX, USBRX);
alfmar 0:69dfca36c935 4 DigitalOut led0(LED1), led25(LED2), led50(LED3), led75(LED4);
alfmar 0:69dfca36c935 5
alfmar 0:69dfca36c935 6 AnalogIn temt6000(p20);
alfmar 0:69dfca36c935 7 // temt6000 breakout: VCC(to VOUT=3.3V), GND(to GND), SIG(to p20)
alfmar 0:69dfca36c935 8
alfmar 0:69dfca36c935 9 int main()
alfmar 0:69dfca36c935 10 {
alfmar 0:69dfca36c935 11 for(;;)
alfmar 0:69dfca36c935 12 {
alfmar 0:69dfca36c935 13 float x = temt6000;
alfmar 0:69dfca36c935 14
alfmar 0:69dfca36c935 15 // four LEDs meaning "light level" (1 to 4):
alfmar 0:69dfca36c935 16 led0 = 1;
alfmar 0:69dfca36c935 17 led25 = led50 = led75 = 0;
alfmar 0:69dfca36c935 18 if(x>0.25) led25 = 1;
alfmar 0:69dfca36c935 19 if(x>0.50) led50 = 1;
alfmar 0:69dfca36c935 20 if(x>0.75) led75 = 1;
alfmar 0:69dfca36c935 21
alfmar 0:69dfca36c935 22 printf("%f\r\n", x);
alfmar 0:69dfca36c935 23 wait(0.25);
alfmar 0:69dfca36c935 24 }
alfmar 0:69dfca36c935 25 }