andrew2022
New Member
what i need is a circuit so when a ptm switch is depressed an LED comes on. i have tried using a 4069 with the switch goin from +ve to pin 1 and pin to to a 2n4401 transistor to light an LED. i have done this with pin 3 and 4, 5 and 6 and grounded the unused inputs. problem is nothin is happenin. what am i doin wrong?