When measuring analog values with a microcontroller, the data is first imported into the microcontroller using an ADC (Analog-to-Digital Converter). Aviation Power
When measuring voltage, connect the voltage divider resistors in series and parallel to the power supply. The larger the series voltage divider, the less impact it has on the power supply output voltage. The smaller this value, the less it affects the sampling value of the microcontroller circuit, which is beneficial for measurement accuracy.
To measure current, please connect a shunt resistor in series with the current circuit. The smaller the parallel value of the shunt resistor (considering the case of multiple shunt resistors分流ing simultaneously), the greater the impact on the current circuit. It will be smaller. This is conducive to measurement accuracy. 400HZ power source
Simultaneously considering resistance power consumption and power supply load capacity.
Moreover, a crucial point is insulation and safety, which is a primary prerequisite. Do not trust online guidance; handling 20KV high voltage is not to be taken lightly, as it may threaten life safety.
