![Using a Transistor Switch with a Raspberry Pi, Arduino and Micro:Bit - Electronic and software projects from Penguintutor.com Using a Transistor Switch with a Raspberry Pi, Arduino and Micro:Bit - Electronic and software projects from Penguintutor.com](http://www.penguintutor.com/electronics/circuits/rpi-darlington-circuit-led.png)
Using a Transistor Switch with a Raspberry Pi, Arduino and Micro:Bit - Electronic and software projects from Penguintutor.com
![rpi.gpio - I would like to switch on the Raspberry GPIO using an NPN transistor (2n2222) - Raspberry Pi Stack Exchange rpi.gpio - I would like to switch on the Raspberry GPIO using an NPN transistor (2n2222) - Raspberry Pi Stack Exchange](https://i.stack.imgur.com/9Yw55.png)
rpi.gpio - I would like to switch on the Raspberry GPIO using an NPN transistor (2n2222) - Raspberry Pi Stack Exchange
Raspberry Pi 4 automatische Lüftersteuerung über IoBroker mit einem Transistor und einem Widerstand - Allgemein - Elzershark
![switches - Control 5 V load with transistor 3.3 V - Raspberry Pi - Electrical Engineering Stack Exchange switches - Control 5 V load with transistor 3.3 V - Raspberry Pi - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/S1NUbm.png)
switches - Control 5 V load with transistor 3.3 V - Raspberry Pi - Electrical Engineering Stack Exchange
![Raspberry Pi GPIO Circuits: Controlling High Powered Components With a Transistor : 3 Steps - Instructables Raspberry Pi GPIO Circuits: Controlling High Powered Components With a Transistor : 3 Steps - Instructables](https://content.instructables.com/FAU/F52M/J5IFZPJR/FAUF52MJ5IFZPJR.jpg?auto=webp&fit=bounds&frame=1)