The Planted Tank Forum - View Single Post - Improved Arduino LED lighting code
View Single Post
Old 02-21-2013, 04:39 PM   #135
mistergreen
No more Bow ties
 
mistergreen's Avatar
 
PTrader: (13/100%)
Join Date: Dec 2006
Location: Cincinnati
Posts: 14,257
Default

Quote:
Originally Posted by Gisimo View Post
Is it necessary to have a resistor in front of the gate?? (Between pin 9 and gate)
I usually do put resistor in front of the gate but it depends on the transistor's spec.

The wattage is what makes a component hot or not. Use the correct wattage rated component.

P = V*I

watts = volt * current
mistergreen is offline   Reply With Quote