37 lines
700 B
Arduino
37 lines
700 B
Arduino
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#include <Wire.h>
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#include <BH1750FVI.h>
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BH1750FVI eye;
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void setup() {
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Wire.begin();
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Serial.begin(115200);
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//setup with continuous sampling, using the low address and double sensitivity
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eye.begin(BH_ContH, BH_AddrL, 2.0);
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}
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void loop() {
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//test if the sensor has had time to produce a new reading
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if(eye.sampleIsFresh()){
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//read the calibration-adjusted value, according to the sensitivity setting
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word value = eye.getLightLevel('c');
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logarithmicGraphing(value);
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Serial.println(value);
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}
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}
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void logarithmicGraphing(word value){
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int i=0;
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while(value>>i){
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i++;
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Serial.print(" ");
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}
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if(i>=2){
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i=i-2;
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if(value&(1<<i))Serial.print(' ');
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}
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}
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