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Lm393 light sensor module raspberry pi.
The brightness of surrounding environment and the light intensity can be detected compare with the photoresistor directivity is relatively good can perceive the fixed direction of the light source 2 sensitivity adjustable the blue digital potentiometer adjustment figure 3.
We can only use digital output directly on raspberry pi because raspberry pi doesn t come with any analog input pin.
The digital output has a trim potentiometer that can be used to set a trigger light level.
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Vcc gnd digital analog.
The digital pin is the digital output while the analog pin is the analog output.
Lm393 light sensor module 3 3 5v input light sensor for arduino raspberry pi 1 offer from 7 00.
With fixed bolt hole for easy.
The biggest problem we face with this circuit is the fact that the pi doesn t have any analogue pins.
The lm393 is a simple photo resistor light sensor that has both analog and digital outputs.
Connect breadboard to raspberry pi using figure 3 as a reference connect the gpio pins on raspberry pi to the breadboard using three female to male jumper wires.
Lm393 light sensor module 3 3 5v input light sensor for arduino raspberry pi brand.
Light level detection the brightness of the light sensor is directional only inductive sensor in front of the light source used to find light better.
If you re new to python i recommend taking a quick crash course on the basics of python.
This light sensor module has 4 wires.
In the following example we will use the analog output to measure light level.
Lm393 light sensor module 3 3 5v input light sensor for arduino raspberry pi top obtain the spe.
The light sensor code.
Running the program to use the light meter load and run the program 08 light meter py in mu.
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Connect the module to the raspberry pi.
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