Thread: Article: Dew Heater Control and the Arduino
View Single Post
  #66  
Old 25-01-2013, 06:20 PM
rcheshire's Avatar
rcheshire (Rowland)
Registered User

rcheshire is offline 		 
Join Date: Apr 2010
Location: Geelong
Posts: 2,617
If that's what you have on hand pwm is suitable and easy enough to do.

I bung a 22uf cap across the FET gate and GND which generates a slightly rounded at the peaks sawtooth wave +/- 0.05v. Is that smooth enough?
Reply With Quote