This proposed Arduino-based automatic bell device is an electronic system that rings bells at predefined times without manual intervention. It is built around an Arduino Uno, which is programmed to ...

// The lines below are for the Firmware Version info displayed on the MPPT's LCD Menu Interface // #define buck_IN 33 //SYSTEM PARAMETER - Buck MOSFET Driver PWM Pin #define buck_EN 32 //SYSTEM ...

Here is an example project reproduced from the newly published book Multitasking with Raspberry Pi. The book is written for students, practicing engineers, and hobbyists interested in developing ...

smart_farming/ ├── MainCode/ # Main smart farming system │ ├── offline/ # Offline version (standalone) │ │ ├── offline.ino # Main offline sketch │ │ └── config.h # Offline configuration │ ├── online/ ...

Microcontrollers work only with digital values but in real world we have to deal with Analog signals. That’s why ADC (Analog to Digital Converters) is there to convert real world Analog values into ...

In previous tutorial, OLED is interfaced with ESP32 using SPI communication which uses 5 pins. In this tutorial, we interface 16x2 LCD with ESP32, using only 2 pins, with the help of I2C communication ...