How to calculate the resistance from a transistor if i don't know the amperage? i only know the transistor is a 2N2222 and the source is 6v. : r/AskElectronics
how to calculate resistor to a base of a 2n2222? - General Electronics - Arduino Forum
BJT Transistor as a Switch, Saturation Calculator
SOLVED: Texts: Question 2: The 2N2222 transistor is used in the circuit given below. A DC voltage of VCC=16V is applied to the circuit. The resistors R1=39KΩ, R2=4.7KΩ, RC=3.9KΩ, and RE=1.2KΩ are
How to calculate base resistor of a NPN transistor that drives a MOSFET? - Electrical Engineering Stack Exchange
Test circuit for 2 N 2222 BJT transistor 4 RELIABILITY PREDICTIO N S By... | Download Scientific Diagram
Would somebody be kind enough to ELI5 how to calculate the base resistor required on a 2N2222A (used as a switch) when using a 5V Arduino Uno to control a solenoid actuator.