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LED Strips come in two designs, both on Flex Printed Circuits (FPC). 1. Simple LED + Resistor versions, typically with multiple parallel segments of three LEDs with matching resistors. 2. Digitally controllable with embedded controllers. Data is wired in series while power is paralleled by segments or pixels. Both have different and similar application challenges.

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2-channel dimmer from NE555 + LM358?

Yes it only uses one of the op-amps and there are two in the same package. Assuming your power supply can handle the power drawn from them then yes. As long as you don't hook up the LED strip to the …
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