Learn to build an RFID based attendance system using Arduino with step-by-step instructions, circuit diagrams, and complete code. This $35 DIY project replaces expensive commercial systems with ...

Wiring Diagram Usage 1. Upload the provided code to your ESP32 microcontroller. 2. Connect the components as per the wiring diagram. 3. Power on the circuit. 4. Press the push button to switch between ...

This project focuses on developing an ADC LCD Interface system designed to monitor and display real-time analog sensor data on an LCD screen. Its primary goal is to provide a simple, adjustable, and ...

An LCD interface can support two panels, each up to 240×320 pixels, via RGB interface, parallel interface or serial interface. Other interfaces include an I2C bus, SD memory card, and LED control PWM ...

In this paper, the circuit for electromagnetic interface (EMI) reduction in liquid crystal display (LCD) is proposed. The segmented driver circuit and cascode level shifter are employed in the column ...