transistors - DIY: Led strip synced with music doesn't work - Electrical Engineering Stack Exchange

I made led strip synced with music using this schematic I used bd241c instade of tip 31. When i connect 5V and single LED it works fine but when I put 12V and LED strip it doesnt work. Can someone

led - I connected two BJT NPN transistors and don't quite

How can I blink LEDs with a MOSFET in response to music

led - I connected two BJT NPN transistors and don't quite

edmallon, Underwater Arduino Data Loggers

What is the coolest simple circuit you know that can be made with

Single LED single transistor circuit not working - Electrical

How To Make Music Reactive Led Light Using Only One Transistor

Uncategorized

Create Music Using One Transistor - Instructables

Create Music Using One Transistor - Instructables