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 Tachometer as a variable Lamp control- next

 
   
 
      Block Diagram: Shows how a car ignition system can brighten a light bulb as RPM increases. Another words, as RPM rise, the light bulb will increase in brightness. Go back

 

  • Parts List:
  1. Tachometer --this is found on an ordinary automotive tachometer. Inside is what looks like an op amp.
  2. V1 -- Igniter, this is optioisolater type of transister.
  3. Q1--NPN transister
  4. LAMP--1 watt lamp
  
   
 
   

 

     
     
Updated 12-00