![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. 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.](https://preview.redd.it/would-somebody-be-kind-enough-to-eli5-how-to-calculate-the-v0-7sjr72yrziwb1.jpg?width=1080&crop=smart&auto=webp&s=3b89dc727a64df1816922f0fa32cb4c262b60fda)
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.
![How to calculate base resistor of a NPN transistor that drives a MOSFET? - Electrical Engineering Stack Exchange How to calculate base resistor of a NPN transistor that drives a MOSFET? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/akwcm.png)
How to calculate base resistor of a NPN transistor that drives a MOSFET? - Electrical Engineering Stack Exchange
![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 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](https://preview.redd.it/wc2zo6aht7t81.jpg?auto=webp&s=39a808227edc46356a73b519ecf8abd6a38f91af)
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
![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 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](https://cdn.numerade.com/ask_images/dc57b0e11e9f4b8ba1a832030f1deab6.jpg)
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
![SOLVED: NPN 2N2222 transistor Mid-Band Design Parameters: Vcc = 12 V, Ic = 2 mA, emitter voltage VE = 2 V, RL = 1 kΩ, Rs = 100 Ω VBE = 0.65 SOLVED: NPN 2N2222 transistor Mid-Band Design Parameters: Vcc = 12 V, Ic = 2 mA, emitter voltage VE = 2 V, RL = 1 kΩ, Rs = 100 Ω VBE = 0.65](https://cdn.numerade.com/ask_images/2bf2d8aeaa69464ba0d813816433fb8b.jpg)