This repository contains code and wiring instructions for an ESP32 project that measures distance using an HC-SR04 ultrasonic sensor and displays the result on a Freenove I2C LCD 1602 display module.
A short minimal example on how to connect a LCD 1602 Keypad Shield (e.g. from SainSmart) with an ESP8266. All you need is an ESP8266 board (e.g. Lolin NodeMCU v3), a LCD 1602 Keypad Shield (e.g.
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