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 ...

In this study, a multilayer composite material, TiO2@Y2Ti2O7@YOF:Yb,Tm (TYY), was designed based on the highly polar O-metal bond for high-sensitivity optical temperature sensing. By introducing ...

A newly developed electronic ink enables room-temperature printing of circuits that can switch between rigid and soft states. The ink, based on gallium particles in a polyurethane matrix, achieves ...

Make a 200W Pure Sine Wave Inverter using the EGS002 SPWM Driver board. Features: 1. Intelligent SPWM control 2. Silent, stable, and efficient 3. Ideal for sensitive electronics 4. Output Voltage: ...

Circuit Essentials Traditional seismograph sensors use a mass-spring system to detect vibrations, but they are complex, costly, and require damping to prevent prolonged oscillations. As a simpler ...

In this work, we prepared a well-aligned palladium oxide nanowire (PdO NW) array using the lithographically patterned Pd nanowire electrodeposition (LPNE) method followed by subsequent calcination at ...

Tunneling Field-Effect Transistors (TFET) have emerged as a leading future transistor option for energy efficient and next generation VLSI. In this paper, we propose novel logic design exploiting TFET ...