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A solar MPPT controller is applied using the stm32f030 mcu, and the charging voltage can be changed using an external interface. A phenomenon in which the charging value changes during operation occurs.

ghan.1
Associate

‎2023-01-24 8:59 PM

Try to connect the receiving terminal of the external interface connection terminal to GND. Will this help with program changing issues?

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2 REPLIES 2
LCE
Principal II

‎2023-01-24 10:21 PM

What's the controller's VSS pin connected to?

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ghan.1
Associate

‎2023-01-29 7:16 PM

0693W00000Y9QmnQAF.pngConnected to output ground.

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