HEPTA-Sat Training 2020 / Mbed 2 deprecated Lab7-sample_light-sensor

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)

Diff: main.cpp

Revision:
0:69dfca36c935
Child:
1:490f190a8023
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Mar 22 22:50:36 2010 +0000
@@ -0,0 +1,25 @@
+#include "mbed.h"
+
+Serial pc(USBTX, USBRX);
+DigitalOut led0(LED1), led25(LED2), led50(LED3), led75(LED4);
+
+AnalogIn temt6000(p20);
+// temt6000 breakout: VCC(to VOUT=3.3V), GND(to GND), SIG(to p20) 
+
+int main()
+{
+  for(;;)
+  {
+    float x = temt6000;
+    
+    // four LEDs meaning "light level" (1 to 4):
+    led0 = 1;
+    led25 = led50 = led75 = 0;
+    if(x>0.25) led25 = 1;
+    if(x>0.50) led50 = 1;
+    if(x>0.75) led75 = 1;
+    
+    printf("%f\r\n", x);
+    wait(0.25);
+  }
+}