How to control LED with Arduino and MOSFET (SiHP10N40D)

We control LED with MOSFET(Metal-Oxide-Semiconductor Field-EffectTransistor )(SiHP10N40D)

How to control LED with Arduino and npn transistor (C1815)

The C1815  NPN transistor ,from left to right are the E (emitter), C(collector).B(base)