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Multi-Status Indicator Using Single RGB LED Schematic Circuit Diagram
Monitoring circuits in battery chargers, water-level indicators, etc use LEDs to indicate the status of certain conditions. Presented here is a…
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LED Thermometer Schematic Circuit Diagram
The circuit described here is the digital and display section of a thermometer; the analogue circuitry and signal conditioning required…
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10-Watt Audio Amplifier using LM1875 Schematic Circuit Diagram
Here is a simple 10-watt audio amplifier using IC LM1875. The IC has five pins and can deliver a maximum…
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USB Standby Killer Schematic Circuit Diagram
When turning a computer on and off, various peripherals (such as printers, screen, scanner, etc.) often have to be turned…
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TWO TRANSISTORS AND HEAT SENSITIVE CIRCUIT WITH NTC SCHEMATIC CIRCUIT DIAGRAM
When the environment is hot in the heat sensitive circuit, the voltage on the NTC decreases. T2 switches to cut, T1…
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