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The process of creating a circuit to accomplish a particular task. When designing a circuit, one should consider how it should work, the target specifications, efficiency, cost effectiveness, code compliance, and ethics.

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1 answer
202 views

Switch power to load using 2 GPIO pins, 5V and 12V

I will like to use 2 GPIOs on a raspberry pi to switch on a device (piezo buzzer), using 5V or 12V at a time. My idea is to use two MOSFETs and place pullup resistors on the gates of the MOSFETs from …
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1 vote
0 answers
70 views

CMOS Analog Multiplexer SPDT

I have tried to use the QS4A205 (a CMOS ANALOG FOUR-CHANNEL SPDT MUX) where 2 buffered DAC outputs are connected to the SPDT inputs and the output of the MUX is connected to a low current draw node (m …
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