banh
Advanced Member level 1
the transistor i'm using is pnp :
**broken link removed**
from the circuit i expect:
- when the MCU output is 0V -> the led is turned on.
- when the MCU output is 5V -> the led is off.
however, the led is always on...
is there any possible reason for this?
**broken link removed**
from the circuit i expect:
- when the MCU output is 0V -> the led is turned on.
- when the MCU output is 5V -> the led is off.
however, the led is always on...
is there any possible reason for this?