2025-01-05 01:55 AM
Hi
Does ST offer a microcontroller capable of directly measuring 4-20 mA DC current?
2025-01-05 02:33 AM
Hi,
no.
You just can use any cpu with ADC input , plus resistor to ground. Thats it.
Typ. 100 ohms, then you get 0.4 ... 2V at the adc-input.