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The BOOM · 2023-09-27

What's the least expensive device that can receive analog audio in, and output I2S audio data?Input resolution should be 16 bits or higher, sample rate 48 kHz or higher. Is there a dedicated ADC chip? or, the STM32G030?

The BOOM · 2023-05-19

I need to make a Resonant Inverter, with AC output.Application is an AC power supplyTopology: LLC or otherInput: 12V to 24V DCNo DC output100 kHz100W0 to 20A continuousconstant voltage0 to 5VInductive load for galvanic isolationpure sinesoft-switched...

The BOOM · 2023-05-05

I need a 100 kHz, sinusoidal AC constant-voltage power supply, feeding an inductive load. Can i make a power inverter designed like a class D audio amplifier. Except, instead of a speaker, it's a hungry power load that wants up to 20A, 5V AC power. ...

The BOOM · 2022-04-20

Is it possible to update executable code without reflashing the entire device, and without overwriting the entire codebase?Ie,multiple applications, such that individual applications can be separately installed, updated, and uninstalled?We don’t want...

The BOOM · 2021-03-03

One user mentions noise from USBhttps://community.st.com/s/question/0D50X00009XkfMDSAZ/stm32f4-adc-noise-with-increased-activity-in-usb-fsOther comments:Keep the wiring short, and make sure the resistor value matches the ADC input impedance. I’ve suc...

The BOOM · 2022-04-21

Is Position Independent Code another possible solution to update sections of code with burning the whole image?https://youtu.be/m9RM4zP_yoUhttps://community.st.com/s/question/0D50X00009XkadoSAB/running-position-independent-code-on-stm32https://stacko...

The BOOM · 2022-04-21

Would it be necessary to create all the empty partitions you’d ever need and burn them to the device?Or can partitions be added/removed on the fly without re-burning? In that case, would it be necessary to restart the uC after creating/removing a par...

The BOOM · 2021-01-27

@Tesla Your Arduino model is thisvoid main(void)…Really? I thought Arduino uses setup() and loop(), not main().when you drop out of main() where does it go? It is a universe where there is no track, what happens to the train? No accommodation has bee...

The BOOM · 2021-01-27

Piranha, will interrupts still work?thx

The BOOM · 2021-01-26

now i just need to understand the code you gave. Was hoping for a plain-english explanation. "LoopFillZerobss" doesn't get me closer to understanding whether the while loop is required for interrupts to work.

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Audio to I2S Converter?

Resonant Inverter, 100 kHz, 100W. L6565 ?

"Class D" Inverter?

Update Code Without Flashing?

Many people have complained about noise on ADC inputs, maybe to do with impedance. Has this be rectified on any version or family of the STM32?

Re: Update Code Without Flashing?

Re: Update Code Without Flashing?

Re: Does main() require an infinite loop?

Re: Does main() require an infinite loop?

Re: Does main() require an infinite loop?