Grove HCHO Sensor example Model:SEN01500P Operating Voltage: 5.0V ± 0.3V Target Gases: HCHO, Benzene,Toluene,Alcohol Concentration Range: 1~50 ppm Sensor Resistance Value(Rs): 10KΩ-100KΩ(in 10ppm HCHO) Sensitivity: Rs(in air)/Rs(10ppm HCHO)≥5 http://www.seeedstudio.com/wiki/Grove_-_HCHO_Sensor

Dependencies:   mbed

Fork of Seeed_Grove_HCHO_Sensor_Example by Austin Blackstone

Files at this revision

API Documentation at this revision

Comitter:
mbedAustin
Date:
Fri Sep 05 01:19:45 2014 +0000
Commit message:
Grove HCHO sensor example. Very simple, grabs value from sensor and converts to percentage. Should come back later and add to it using the process outlined here http://www.seeedstudio.com/wiki/Grove_-_HCHO_Sensor

Changed in this revision

main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Sep 05 01:19:45 2014 +0000
@@ -0,0 +1,15 @@
+#include "mbed.h"
+
+AnalogIn sensor(A1);
+
+int main()
+{
+    float sensorValue;
+    while(1) {
+        sensorValue = sensor.read(); // returns voltage between 0 -> 1
+        printf("%f percent\n\r",sensorValue*100);
+        wait(1); 
+    }
+}
+
+// for more detailed code see http://www.seeedstudio.com/wiki/Grove_-_HCHO_Sensor
\ No newline at end of file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Fri Sep 05 01:19:45 2014 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/9327015d4013
\ No newline at end of file