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28 Jul 2014

ap_ti_slva650

App note (PDF) on automobile flashers from Texas Instruments:

This Application note presents the design of a low cost, flasher circuit with short circuit protection. The design incorporates the entire recommended design feature set for two wheeler flashers and includes low/high voltage operation, half load frequency doubling, and short circuit protection.

[via]

App note: Design of a low cost, 45W flasher with short circuit protection using LM2902 - [Link]

31 Jan 2008

pwm_xsmall.jpg

This circuit is a fan controller which is using the pulse width modulation (PWM) method. It is tiny (33.78mm x 54.76mm) and easy to build. Functions of the circuit parts are listed below;

PWM Fan Controller by LM2902N or LM324N - [Link]



 
 
 

 

 

 

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