Using an ESP8266 WiFi Scan with an LCD1602-I2C to Display Signal Strength Percentage with Arduino

Using an ESP8266 WiFi Scan with an LCD1602-I2C to Display Signal Strength Percentage with Arduino

By Ahmad Shamshiri
May 4, 2025

This code is to use ESP8266, NodeMCU, Wemos D1 Mini to display all available access points (Wi-Fi) on an LCD1602-I2C or LCD2004-I2C to display RSSI in dBm or percentage.

231-Basic Wi-Fi scan code

Language: C++

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Resources & references

External
Wemos.cc official website of D1 Mini
wiki.wemos.cc
Internal
Introduction: Wemos NodeMCU

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Using an ESP8266 WiFi Scan with an LCD1602-I2C to Display Signal Strength Percentage with Arduino

Using an ESP8266 WiFi Scan with an LCD1602-I2C to Display Signal Strength Percentage with Arduino

Resources & references

Files📁

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