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This circuit combines two or more audio channels into a single channel (for example, converting stereo to mono). It is capable of mixing multiple channels while consuming minimal power. The schematic illustrates two inputs, but additional inputs can be...
Electronics tutorial on mesh current analysis and examples of mesh analysis used to analyze complex electrical circuits in DC theory. Mesh current analysis is a powerful technique used in circuit analysis to determine the currents flowing in the loops of...
This metal detector circuit needs to be powered using a 9 volts power supply (DC) or a 9 volts battery. The C1 capacitor is a variable capacitor with a value of 365 pF, C2 is a 100 pF silver...
The following circuit is an LED emergency light circuit featuring advanced functionalities such as overcharge battery cut-off, daytime auto-disable, and automatic activation of the LEDs during AC mains failure, reverting to charging mode when power is restored. The circuit...
The original scale on the voltmeter ranged from 0 to 30 volts. A new scale was created by removing the old scale from the meter and scanning it into a graphics editing software on a computer. The old numbers...
The lighting controller depicted in the figure features a gradual dimming function that prevents sudden brightness changes, which can irritate the human eye and potentially cause damage due to inrush currents. The circuit design includes a six-stage CD4069 inverter...
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