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 ...

DG11/DG12 Series IEC Inlet with Circuit Breaker. SCHURTER's next-generation power entry module with IEC inlet and IP67-rated circuit breaker. WRIS-RSKS Series General-Purpose Thick-Film Resistors.

Here is a design for a full-featured motor shield that will be able to power many simple to medium-complexity projects. 2 connections for 5V 'hobby' servos connected to the Arduino's high-resolution ...

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 ...

Similarly, for the carry circuit, C= A. B. Taking double complement . Full Adder. Full Adder is a digital circuit that adds three single-digit binary numbers. This is a three-input and two-output ...