symmetric power supply pic 16f877a

[richard]

10 bit adc @5v <=> .00488 volts per count
point A2 in sch = @1.76 v ie. 360 counts
360/12=30
this is the displayed result. what were you expecting


there is no visible relationship between A2 voltage and any other shown point in the sch.
how A1 voltage is derived is unknowable
pic vcc is a guess

[richard]

just found this, no wonder i felt i had seen it all before
http://www.picbasic.co.uk/forum/showthread.php?t=24035

still finding the same lack of detail