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What to do if the 6UL power supply voltage value is inaccurate [Copy link]

What should I do if the 6UL power supply voltage value is inaccurate? Question: The AD sampling of the external power supply voltage value is inaccurate, but the battery voltage is correct. It is possible to sample the voltage of PWM2 alone, but it will be inaccurate if both are sampled at the same time. One of the channels is battery, and the other is external power Answer: Are the battery acquisition channel and the external power acquisition channel the same? For the two Analog channels, find GPIO1_IO05 and gpio1 5 in the device tree file

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