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E73-2G4M04S1B environmental monitoring solution

Overview

The environmental monitoring solution based on Chengdu Ebyte's E73-2G4M04S1B has onboard CO2 sensor MS5524M, liquefied gas sensor MQ5, smoke sensor MQ2, temperature and humidity sensor DHT11~~~~ The attachment is the arduino test program, without BLE function, and can display the measured results on OLED Data arduino development board manager link: [https://www.adafruit.com/package\_adafruit\_index.json](https://www.adafruit.com/package_adafruit_index.json) GitHub space: [https:// github.com/Afantor/Afantor\_Bluefruit52\_Arduino](https://github.com/Afantor/Afantor_Bluefruit52_Arduino) ![Empty board 1.jpg]

![Empty board 2.jpg]

![Test photos.jpg]

![ Display effect.jpg]

Design Files

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Update:2025-06-22 23:54:10

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