• Maximum Negative voltage to gpio pin
    I am using lpc2378 .I use zener diode for one application.It gives -0.8v pulse for some time. can it damage the gpio pins. What is maximum negaive voltage which we can apply to gpio pin.
  • Read Analog Voltage from Potentiometer
    Hi Keil Users, Good day. I'm trying to read analog voltage from potentiometer and show the value in Keil. I tried to use adruino and it works. Can anyone convert below arduino command to...
  • voltage generation
    Dear all, i have written a code which is as follows //whenever the microcontroller receives a input ,it should generate a voltage pulse of 5v or more at the output port which will be used actuate the...
  • amplify voltage
    hi i m using 89c51 , the output voltage of port1 is approx 5 volt, but i need 12 voltage as my requirement, i used simple NPN transistor, but the output is approx same with base voltage, actually...
  • compare voltage
    Hi, my program: EP: MOV A,ADC0H CJNZ A,#175D,EP i have problem jumping to the next subrountine when i detect 1.75V from power supply it will start to display if not it will display...