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diff --git a/Imagenes/WhatsApp Image 2019-10-28 at 4.26.09 PM.jpeg b/Imagenes/pHimetro2
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 # pHímetro
 
-Herramienta libre para la determinación de pH de soluciones acuosas.
\ No newline at end of file
+Herramienta libre para la determinación de pH de soluciones acuosas.
+
+Adaptación del codigo de DFRobot Gravity: Analog pH Sensor / Meter Kit V2, SKU:SEN0161-V2
+https://wiki.dfrobot.com/Gravity__Analog_pH_Sensor_Meter_Kit_V2_SKU_SEN0161-V2
+https://github.com/DFRobot/DFRobot_PH
+
+Librerias control sensor temperatura: ds18b20
+https://github.com/PaulStoffregen/OneWire
+https://github.com/milesburton/Arduino-Temperature-Control-Library
+
+![foto](/Imagenes/pHimetro1.jpg)
+
+![foto](/Imagenes/pHimetro2.jpg)
+
+Aplicación: /Aplicación android/pHimetro.apk  
+Aplicación editable[(kodular)](https://www.kodular.io/):/Aplicación android/pHimetro.aia