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 ...

This will make us run out of I/O pins on our MCU, so 4-bit mode is widely used. No control pins are used to set these modes. LCD Commands: There are some preset commands instructions in LCD, which we ...

This article presents a simplified three-wire and four-wire measurement method for accurately determining the resistance of sensors, such as resistance temperature detectors (RTDs), using an Anderson ...

A collection of Android projects to help you start building Android user interface features. We encourage patches and contributions to this project. Fork the project and submit a pull request through ...

Ideal for consumer, industrial, and automotive applications, it packs in advanced peripherals, strong safety features, and full ecosystem support—without driving up hardware costs. Powerful, Efficient ...

Propeller Direction Install A and B propellers according to the figure below. During the power-on self-test, check if the propellers spin properly and are spinning in the correct direction. Firmware ...

In this paper different failure modes - in a Microcontroller IO interface - during Bulk Current Injection (BCI) and Radiated Immunity (RI) are discussed. This helps the hardware engineer to properly ...