Finaly I Complet my project with perfect measurement 8-Channal…
my friend ROMEL…
I found the ansower about random measurment of the ADC0808 that when we put a simple channal we must comman the ground with the ADC0808 (SINGLE ENDED Tying) i make the hardware & software with VB6 and it’s work with 8-chanal perfect.
MR.DAGAKSHAY
thanks to your help and for this site when i provide my project i wrote in the reference URL site of Engineersgarage so i’m greatful so math
(Alhamdo lilaah Rab Al-Alamin)
Greeting To ALL