Level indicator on transistors.

@DjonVooD2019

5 years ago

https://everycircuit.com/circuit/5466904268111872

👾 VT1-VT13 -BC547B; BC547C;BC546C; 2N4123; 2N2483; 2SC828; VT-14 - BC557; BC520A; 2SA778; VD1-VD11 - 1N4148; 1N3063;