Switching circuit acting weird. Not enough amps!

[mrfuzz]

Hello. I have made a high powered LED switching circuit that is around 30 volts and powered by an Arduino. Running from some high discharge LIPO's and a 6 watt resistor. When I switch the LED on with a blink circuit, there's only 1 amp when there should be 3 ish. Could this be because the transistor is not being saturated or something by the Arduino? I am not really sure why this is happening to be honest. Any help would be appreciated. Thank you.

https://www.mouser.com/datasheet/2/149/MJE3055T-889641.pdf
I am low side driving an LED with a digital pin going into 100 ohms, and into the base pin of an MJE 3055. Not really sure what to do.

For a morse code project I am revisiting.

Thanks.

[ruilviana]

Hi @mrfuzz
To facilitate our help, please post a schematic of your project and also post your code.
To post the code use the </> tags.

RV mineirim

[gilshultz]

I have problems with word problems, post a schematic, of your system not a frizzy pictures. Post links to technical info on the hardware devices and be sure all the connections are on the schematic especially grounds.

[david_2018]

An NPN power transistor designed way back in the 1960's, with a maximum current gain of 100 (closer to 35 at 3 amps collector current), is a very poor choice. A modern mosfet designed to be driven by a digital signal would be much, much better, as well as tremendously more efficient.