# Arduino Uno R4 Wi-Fi MQ Unified Sensors MQ 135 ALL OLED ThingSpeak

This is the repository with the source code for the article: **MQ-135 Sensor (Carbon Dioxide and other gases) usage with Arduino R4 Wi-Fi**, readable here: https://medium.com/@androidcrypto/mq-135-sensor-carbon-dioxide-and-other-gases-usage-with-arduino-r4-wi-fi-25df8dbd6f76
