AT89S51 MCU design with the ADC0809 using a digital voltmeter that can measure 0-5V DC voltage between the value of four digital display, but requires the use of a minimum number of components.
Sponsored Links
8051 8051 and ADC0809 based 8 channel Data acquisition system 1.0
AT89S51 MCU design with the ADC0809 using a digital voltmeter that can measure 0-5V DC