Analog Smart Power Flow Optimizer (spfo)

About the project

This smart circuit regulates electrical flow to appliances, reducing heat in conductors and saving power. It detects overheating and automatically adjusts or cuts power, protecting devices and improving energy efficiency.

Items used in this project

Hardware components

NTC Thermistor (10kΩ or similar) – detects temperature

Resistors (1kΩ, 10kΩ, etc.) – for voltage divider

NPN Transistor (e.g., 2N2222 or BC547) – acts as switch

Relay Module (5V or 12V, SPDT) – controls appliance

1N4007 Diode – flyback protection for relay

12V DC Power Supply – to power the system

Appliance (Fan, bulb, etc.) – to test load NTC Thermistor (10kΩ or similar) – detects temperature Resistors (1kΩ, 10kΩ, etc.) – for voltage divider NPN Transistor (e.g., 2N2222 or BC547) – acts as switch Relay Module (5V or 12V, SPDT) – controls appliance 1N4007 Diode – flyback protection for relay 12V DC Power Supply – to power the system Appliance (Fan, bulb, etc.) – to test load x 1

Hand tools and fabrication machines

soldering iron soldering iron x 1

Story

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Schematics, diagrams and documents

Credits

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