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This Arduino code is designed to read data from five gas sensors connected to an Arduino board. The sensors include MQ8, MQ4, MQ9, MQ7, and MQ135. The code reads analog data from these sensors and ...

You can adjust the sensor value by adjusting the slider that appears when clicking on the sensor. The Tinkercad code for Arduino Soil moisture sensor will show the humidity level using the 5 LEDs ...

so tinkercad has circuit designand arduno now, a real arduino is $20, IDE is free, fritzing is free and does all the exact same layout stuff locally, you save your files and keep them forever.