ESP32 and ADS1115 ADC- Voltmeter project

I am using ESP32 , TFT display (240x240) and  external 16 bit ADC module (ADS1115) to measure voltage.I  I just want to show you my simple voltmeter sketch. I am comparing my project with a real multimeter and results are quite good. I haven done any calibration and no external components are used.

Parts used in project:
ADS1115 Module: 
https://www.banggood.com/custlink/33mdMraK7W
Esp32 development board: https://www.banggood.com/custlink/vG3dNvs22H
TFT Display 240x240 :
https://www.banggood.com/custlink/v3DhNmbz2r


Code (Arduino IDE) : https://github.com/VolosR/ESPADS1115
Library: https://github.com/terryjmyers/ADS1115-Lite
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#ESPADC #ADS1115 #VoltmeterDIY