(09-25-2022, 10:12 PM)admin Wrote: read 4-20mA or 0-5v sensor, use same arduino code, here is demo source code of ADC:
https://www.kincony.com/forum/showthread.php?tid=1644
if you using KC868-A4, you not need to convert 4-20mA to 0-5v signal, just series connection with your sensor and KC868-A4.
such as : power supply + --> your 4-20mA sensor --> output to KC868-A4's analog input+ --> KC868-A4's analog input- --> power supply GND
Can you draw the Diagram on KC868-A4? The wiring. Just simple draw. with 3 wire.