low cost
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Fire Alarm
Simple Fire Alarm Circuits at Low Cost
A fire alarm circuit serves as a straightforward mechanism that identifies fires and triggers a siren or activates a buzzer.…
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UPS - Inverter - Power Generator Circuits
500W low cost 12V to 220V inverter Schematic Circuit Diagram
The 12V DC to 220V AC inverter circuit is designed using IC CD4047. The IC CD4047 acts as a switching…
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Power Supplies
Low-cost 3.7V to 5V-6V DC-to-DC converter Schematic Circuit Diagram
In this article, we introduce an affordable and straightforward DC-to-DC converter capable of transforming input from 3.6V-3.7V batteries into three…
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