Electronics4you
Member
Hi there,
I have just bought a simple ULN2003AN to drive a small light bulb from a PIC. I did a simple test first.
Pin 1 == 5V
Pin 8 == GND
Pin 9 == 12V
Pin 16 is the output, but it did not reach 12V as expected when powering the input (pin 1) with 5V. What seems to be the problem here?
I have just bought a simple ULN2003AN to drive a small light bulb from a PIC. I did a simple test first.
Pin 1 == 5V
Pin 8 == GND
Pin 9 == 12V
Pin 16 is the output, but it did not reach 12V as expected when powering the input (pin 1) with 5V. What seems to be the problem here?