In this project, we'll use basic digital output pins on the Arduino to send these signals. We are not using UART, SPI, or advanced configuration methods, just the essential STEP, DIR, and EN pins, ...

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🖥 How to Run Connect the Arduino Uno to your PC via USB. Open Arduino IDE. Select the correct Board and Port: Tools > Board > Arduino Uno Tools > Port > COMx Paste the code above into a new sketch.

An Arduino Uno (CH340G clone) reads temperature and humidity from a DHT11 sensor and computes 10+ environmental metrics (heat index, dew point, enthalpy, humidex, vapor pressures, etc.), outputting ...