TEMT6000 Light Sensor Module
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Availability: 930
20 or more $3.50
Description: At some point you are going to want to sense ambient brightness with better precision than your trusty photoresistor without adding complexity to your project. When that day comes, go get yourself a TEMT6000 ambient light sensor.
The TEMT6000 is supposed to be adapted to the sensitivity of the human eye, but I found it preformed sub-par in low light conditions. It does however work very well reacting to very small changes in a large range of brightnesses. Because it is meant to mimic the human eye, it does not react well to IR or UV light, so just make sure to note that when considering using it in your project.
Hooking It Up
This is an incredibly simple part, just connect power and ground, and the signal pin to your favorite analog input and you are done, the sensor will output an analog voltage, that ramps up when it gets brighter . You can power this off of 3.3v if you would like, the output value will just be lower.
Arduino Testing code:
int temt6000Pin = 0;
void setup() {
Serial.begin(9600);
}
void loop() {
int value = analogRead(temt6000Pin);
Serial.println(value);
delay(100); //only here to slow down the output so it is easier to read
}
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