haroon_tech
Member level 2
hi,
i am developing a AVR atmega 16 board. in that DB9's 3rd pin giving negative voltage ..but in ckt from 3rd pin the diode placed then how diode will work to negative voltage?
can any body help me ...........
i am developing a AVR atmega 16 board. in that DB9's 3rd pin giving negative voltage ..but in ckt from 3rd pin the diode placed then how diode will work to negative voltage?
can any body help me ...........