Create Your Own Fan Driver Circuit For An Active Heatsink

by T.K. Hareendran, freelance electronic circuit designer, technical writer, columnist, and consultant, Electronic Design, Feb 26 2009

Focus:
A cooling fan driver for an active heatsink assembly uses easily obtained components such as an LM35 temperature sensor and an LM3914 LED driver. The driver operates from a 12-V dc supply.

What you’ll learn:

• How to build an intelligent cooling fan driver that minimizes power consumption and space requirements

Notes:
ED's Ideas For Design

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