@polynoteshub

Poly Notes Hub

@polynoteshub

Best Website for Diploma or Polytechnic Engineering and B-Tech Engineering Notes or Study Materials

SiliguriJoined November 2025

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Arduino Esplora Microcontroller Board and Its Pinout | Poly Notes Hub

Arduino Esplora Microcontroller Board and Its Pinout The Arduino Esplora is a unique microcontroller board designed for beginners and developers who want to explore interactive projects without complex wiring. Unlike other Arduino boards, the Esplora...

Nov 2, 20252 min read

polynoteshub.hashnode.dev

What Is SCADA? - Block Diagram, and Its Benefits | Poly Notes Hub

What Is SCADA? - Block Diagram, and Its Benefits SCADA (Supervisory Control and Data Acquisition) is an industrial control system used to monitor and control large-scale processes remotely. It plays a crucial role in automation by enabling real-time ...

Nov 2, 20252 min read

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What is Directional Relay? - Circuit Diagram, Working Principle | Poly Notes Hub

What is Directional Relay? - Circuit Diagram, Working Principle A Directional Relay is a type of protective relay used in electrical power systems to detect the direction of current flow during fault conditions. It helps determine whether a fault is ...

Nov 1, 20252 min read

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Block Diagram of 8051 Microcontroller - Explanation | Poly Notes Hub

Block Diagram of 8051 Microcontroller - Explanation The 8051 microcontroller is one of the most popular and widely used microcontrollers in embedded systems and electronics. It was developed by Intel and is still preferred by students and professiona...

Nov 1, 20252 min read

Poly Notes Hub

About

Available for

Poly Notes Hub's blogs

Recently published

Arduino Esplora Microcontroller Board and Its Pinout | Poly Notes Hub

What Is SCADA? - Block Diagram, and Its Benefits | Poly Notes Hub

What is Directional Relay? - Circuit Diagram, Working Principle | Poly Notes Hub

Block Diagram of 8051 Microcontroller - Explanation | Poly Notes Hub

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Poly Notes Hub

About

Available for

Poly Notes Hub's blogs

Recently published

Arduino Esplora Microcontroller Board and Its Pinout | Poly Notes Hub

What Is SCADA? - Block Diagram, and Its Benefits | Poly Notes Hub

What is Directional Relay? - Circuit Diagram, Working Principle | Poly Notes Hub

Block Diagram of 8051 Microcontroller - Explanation | Poly Notes Hub