![Switching a cooling fan on and off through NPN transistor connected to Arduino - General Electronics - Arduino Forum Switching a cooling fan on and off through NPN transistor connected to Arduino - General Electronics - Arduino Forum](https://europe1.discourse-cdn.com/arduino/original/4X/0/3/4/0341a076824ab1f7b9e57aa3b62643ea14e2828a.png)
Switching a cooling fan on and off through NPN transistor connected to Arduino - General Electronics - Arduino Forum
![5V Water Pump + NPN Transistor shows garbage on serial with digitalWrite() - Motors, Mechanics, Power and CNC - Arduino Forum 5V Water Pump + NPN Transistor shows garbage on serial with digitalWrite() - Motors, Mechanics, Power and CNC - Arduino Forum](https://europe1.discourse-cdn.com/arduino/original/4X/1/9/c/19cec6e04d08fca0e804baa5c8e4a377cd69daa8.png)
5V Water Pump + NPN Transistor shows garbage on serial with digitalWrite() - Motors, Mechanics, Power and CNC - Arduino Forum
![Use NPN transistor as switch with 5V signal and 8V on collector - Motors, Mechanics, Power and CNC - Arduino Forum Use NPN transistor as switch with 5V signal and 8V on collector - Motors, Mechanics, Power and CNC - Arduino Forum](https://europe1.discourse-cdn.com/arduino/original/4X/7/b/9/7b9af865ef980b90890a91f0541a92ea26c4063e.png)
Use NPN transistor as switch with 5V signal and 8V on collector - Motors, Mechanics, Power and CNC - Arduino Forum
![12V Motor Control With 5V Arduino and NPN Transistor As Speed Control Switch : 4 Steps - Instructables 12V Motor Control With 5V Arduino and NPN Transistor As Speed Control Switch : 4 Steps - Instructables](https://content.instructables.com/FHP/7D7T/J0IEKT2L/FHP7D7TJ0IEKT2L.png?auto=webp&fit=bounds&frame=1&height=1024&width=1024auto=webp&frame=1&height=150)
12V Motor Control With 5V Arduino and NPN Transistor As Speed Control Switch : 4 Steps - Instructables
![Can I control a 5v 1A led strip with this transistor and an PWM pin of my esp32 (3.3v)? If yes, tell me how... : r/arduino Can I control a 5v 1A led strip with this transistor and an PWM pin of my esp32 (3.3v)? If yes, tell me how... : r/arduino](https://preview.redd.it/can-i-control-a-5v-1a-led-strip-with-this-transistor-and-an-v0-hi9qjx6ymhwa1.jpg?width=640&crop=smart&auto=webp&s=908e0d9e526b183f67928a2c26dfdc3102dc9639)
Can I control a 5v 1A led strip with this transistor and an PWM pin of my esp32 (3.3v)? If yes, tell me how... : r/arduino
![Using the 5V pin and a transistor to control a single very bright led - LEDs and Multiplexing - Arduino Forum Using the 5V pin and a transistor to control a single very bright led - LEDs and Multiplexing - Arduino Forum](https://europe1.discourse-cdn.com/arduino/original/4X/0/4/0/04087d0cbdd76e200ca861752f8f333cfd164d04.jpeg)
Using the 5V pin and a transistor to control a single very bright led - LEDs and Multiplexing - Arduino Forum
![12V Motor Control With 5V Arduino and NPN Transistor As Speed Control Switch | Arduino, Transistors, Arduino transistor 12V Motor Control With 5V Arduino and NPN Transistor As Speed Control Switch | Arduino, Transistors, Arduino transistor](https://i.pinimg.com/736x/6e/32/ba/6e32baa3eb2fffcf556d115d511960d3.jpg)