otakung
Junior Member level 3
check lcd module
I used to connect pin1(Gnd) of LCD to Vcc and pin2(Vcc) to Gnd once.
now this LCD cannot use, it's contrast is very pale so I don't sure LCD can display every position (I think maybe some position cannot display). I don't know how to check and repair. I think capacitor is'n work now & I try to use 0.1uF instead the old two C. I think it's better a little but contrast is the same. Anyone know how to check or information page please tell me. thank you very much
I used to connect pin1(Gnd) of LCD to Vcc and pin2(Vcc) to Gnd once.
now this LCD cannot use, it's contrast is very pale so I don't sure LCD can display every position (I think maybe some position cannot display). I don't know how to check and repair. I think capacitor is'n work now & I try to use 0.1uF instead the old two C. I think it's better a little but contrast is the same. Anyone know how to check or information page please tell me. thank you very much