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[Others] How can I get high audible beeps with buzzer.

Since I've no experience with buzzers, if there are any good ways to choose the right resistor and npn. By the way, I'm using STM32's MCU, supplied with 3V1 to drive a buzzer (GSC4417YA-16...
3answers

[Others] MCU controlled buck converter?

If it's possible to control the power output of a 12V/150W heating element using some sort of buck converter circuit. It should step down the 12V input to various voltages required to vary the out...
2answers

[PCB Prototype] PD implementation

Anyone has experience of implementing Power Delivery to device? What MCU use?
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