my red wire coming from arduino uno smd pin0. The multimeter reading is 4.9v and 0.03mA, then to a resistor 1k ohm, and then to the B pin in the transistor.
all grounds connected together.
my red wire coming from arduino uno smd pin0. The multimeter reading is 4.9v and 0.03mA, then to a resistor 1k ohm, and then to the B pin in the transistor.
all grounds connected together.