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 ...

Schematic diagram of network communication systemSchematic diagram of network communication system (IMAGE) KeAi Communications Co., Ltd.

Arduino Projects with Code - Circuit Diagrams & Tutorials Browse 500+ Arduino projects with code and circuit diagrams. From beginner tutorials to advanced Arduino project ideas - all with downloadable ...

Create, view, edit, and share diagrams—either in Visio for the web or directly in Microsoft Teams—as part of your Microsoft 365 subscription. Simplify your system design process and illustrate how ...

Tech-Stack: Arduino-UNO, NodeMCU-ESP8266, Fingerprint-Scanner, LEDs, OLED-display, buzzer. Automate lights in house via door lock system. If the fingerprint id matches, while entering the house the ...

Toggle Light 1 to Light 4 or all lights with a button click. Real-Time Feedback via Serial Monitor: The NodeMCU responds with light ON/OFF messages. The NodeMCU responds with light ON/OFF messages.