類比實作Part6 – UV sensor

 

類比實作Part6 – UV sensor

 

UV sensor模組

參考 https://electronics.stackexchange.com/questions/345984/how-could-i-amplify-the-output-from-this-uv-photodiode-sensor

 

電路圖

 

UV Index

參考 https://wiki.dfrobot.com/UV_sensor_SKU__SEN0162

 

程式列表

Blockly

 

 

 

 

 

 

Python

from machine import ADC from machine import LED from machine import KEY import utime   sensorValue = None sensorVoltage = None UV_Index = None adc_1 = None ledRgb = None key_0 = None     ledRgb = LED(LED.RGB) adc_1 = ADC(1) key_0 = KEY(0) while True:   sensorValue = adc_1.read()   sensorVoltage = (sensorValue * 3300) / 1024   if sensorVoltage < 50:     UV_Index = 0     ledRgb.rgb_write(1,0,0,0)     ledRgb.rgb_write(2,0,0,0)     ledRgb.rgb_write(3,0,0,0)   elif sensorVoltage < 227:     UV_Index = 1     ledRgb.rgb_write(1,0,153,0)     ledRgb.rgb_write(2,0,153,0)     ledRgb.rgb_write(3,0,0,0)   elif sensorVoltage < 318:     UV_Index = 2     ledRgb.rgb_write(1,0,153,0)     ledRgb.rgb_write(2,0,0,0)     ledRgb.rgb_write(3,0,0,0)   elif sensorVoltage < 408:     UV_Index = 3     ledRgb.rgb_write(1,255,255,102)     ledRgb.rgb_write(2,255,255,102)     ledRgb.rgb_write(3,255,255,102)   elif sensorVoltage < 503:     UV_Index = 4     ledRgb.rgb_write(1,255,255,102)     ledRgb.rgb_write(2,255,255,102)     ledRgb.rgb_write(3,0,0,0)   elif sensorVoltage < 606:     UV_Index = 5     ledRgb.rgb_write(1,255,255,102)     ledRgb.rgb_write(2,0,0,0)     ledRgb.rgb_write(3,0,0,0)   elif sensorVoltage < 696:     UV_Index = 6     ledRgb.rgb_write(1,255,102,0)     ledRgb.rgb_write(2,255,102,0)     ledRgb.rgb_write(3,0,0,0)   elif sensorVoltage < 795:     UV_Index = 7     ledRgb.rgb_write(1,255,102,0)     ledRgb.rgb_write(2,0,0,0)     ledRgb.rgb_write(3,0,0,0)   elif sensorVoltage < 881:     UV_Index = 8     ledRgb.rgb_write(1,255,0,0)     ledRgb.rgb_write(2,255,0,0)     ledRgb.rgb_write(3,255,0,0)   elif sensorVoltage < 976:     UV_Index = 9     ledRgb.rgb_write(1,255,0,0)     ledRgb.rgb_write(2,255,0,0)     ledRgb.rgb_write(3,0,0,0)   elif sensorVoltage < 1079:     UV_Index = 10     ledRgb.rgb_write(1,255,0,0)     ledRgb.rgb_write(2,0,0,0)     ledRgb.rgb_write(3,0,0,0)   else:     UV_Index = 11     ledRgb.rgb_write(1,204,51,204)     ledRgb.rgb_write(2,204,51,204)     ledRgb.rgb_write(3,204,51,204)   print(''.join([str(x) for x in ['sensor reading = ', sensorValue, ', sensor voltage = ', sensorVoltage, 'mV', ', UV index = ', UV_Index]]))   if (key_0.value()) == 0:     break     utime.sleep_ms( 500 ) adc_1.deinit() ledRgb.off() key_0.deinit()