Calibrate 3.5" TFT LCD Touchscreen With Arduino UNO R3/R4 Overview This repository contains a program to calibrate a 3.5" touch screen display shield, as shown below - Most 3.5" TFT LCD Touch displays ...

Compatible boards Tested on Arduino Uno and ESP8266 (on ESP-12E, ESP-12F, ESP-12S modules). Not tested on ESP-12 (without a letter) and other ESP modules.