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Screensize: 640 x 480 800 x 600 1024 x 768 1280 x 1024 UserName: Password: Format Mode: Basic  Help  Prompt  Format: Font Andale Mono Arial Arial Black Book Antiqua Century Gothic Comic Sans MS Courier New Georgia Impact Lucida Console Script MT Bold Stencil Tahoma Times New Roman Trebuchet MS Verdana   Size 1 2 3 4 5 6   Color Black Red Yellow Pink Green Orange Purple Blue Beige Brown Teal Navy Maroon LimeGreen Message: * HTML is OFF * Forum Code is ON Smilies [quote][i]Originally posted by Ooze[/i] [br]Hey there! I'm an enthousiastic motorcycle driver. Some of you my know that bikers seem to pop up out of nowhere.... well, one of the reasons for that is (apart from the bikers that drive like @ssholes), is that most bikes ern't really visible. Apparently one of the psychological reasons is because the headlights on a bike do not resemble the predator's two eyes, but have only one. Nowadays, most cars have their headlights on during daylight, so bikes don't stand out anymore when they also run their headlights. One of the solutions is running lights. Another one is dimming the high beam. And here's where I need your help. I am looking for help in designing a circuit with I can chop the voltage on my hi beam.So, the 14V needs to stay 14V, but it needs to be chopped into blocks of, let's say, 100Hz, with variable duty cycle. I found that the BUZ11 is a good MOSFET to switch the beam. Now, I need something that converts 14V (12V) into a AC with variable dutycycle. Any bright ideas? Thanks in advance, Steven http://www.geocities.com/hotsyflotsy/ [/quote]    Insert an Image File (GIF, JPG, JPEG, BMP, ZIP, PNG) Check here to include your profile signature.