Using 2n2222 to switch relay on/off with 3.3v - #18 by SteveMann - General Electronics - Arduino Forum
How to use the 2N2222 Transistor (NPN) (with examples) - DIY Engineers
5 Switch Circuit using 2N2222 NPN Transistor | Download Scientific Diagram
2N2222A Transistor Derating Guide Lines based on Temperature, Case Mounted
2N2222 Transistor and Its Applications
npn - 2N2222 as a switch - Electrical Engineering Stack Exchange
Can't activate relay using Digital pin out and 2n2222 transistor - Sensors - Arduino Forum
Using Transistor as a Switch | ermicroblog
Touch Switch Circuit using 2n2222 Transistors | Electronic circuit projects, Circuit, Transistors
2N2222 Datasheet
How to use the 2N2222 Transistor (NPN) (with examples) - DIY Engineers
Simple Touch Switch using 2n2222 Transistors | Electronics projects for beginners, Electronic circuit projects, Electronic circuit design
transistors - 2n2222a as a Switch - Electrical Engineering Stack Exchange
transistors - 2n2222 NPN low side switch not working with 31V - Electrical Engineering Stack Exchange
npn - 2N2222 as a switch - Electrical Engineering Stack Exchange
transistors - Attempt to use 2n2222 as a switch, but it seems to work below 5v (all the way down to < 1v). Why? - Electrical Engineering Stack Exchange
2N2222 transistor as a switch - Motors, Mechanics, Power and CNC - Arduino Forum
Simple Touch Switch Circuit using 2n2222 Transistors
How to use a phototransistor circuit | Light controller switch | ElecCircuit
Si Lab - Bipolar Transistor as a Switch | Discrete Semiconductor Circuit Projects | Electronics Textbook
How to use the 2N2222 Transistor (NPN) (with examples) - DIY Engineers
Adding transistor to circuit is reversing the Hall Sensor switching : r/AskElectronics
Introduction to 2N2222 - The Engineering Projects
Driving IR led from 3.3V GPIO using 2N2222 transistor - Electrical Engineering Stack Exchange
How to connect a 2n2222 transistor as a switch without frying it (a circuit diagram will be very helpful) - Quora
How to use your transistor as a switch - touch switch - 2N2222a (video 7) - YouTube
