Edoardo kinmami
JAPAN • + Follow
Description
Temperature Controlled 12V Fan for vintage computer
A low-cost temperature-controlled fan.
BOM list in the attachment.
It can be used to control a 12V / (up to) 1A fan inside the Amiga PSU or (any computer) case, even if the motherboard hasn't a designed PWM control.
Smooth operation.
The duty cycle is regulated between 76% (room temp) to 97% (+100 degrees Celsius).
The PWM frequency is controlled between 400Hz (room temp) to 700Hz (+100 degrees Celsius).
Jun 01,2022
964 views
Temperature Controlled 12V Fan for vintage computer
Using a 555 and an NTC it can drive a 12V/1A fan smoothly even if the motherboard has not a specific PWM control
964
7
0
Published: Jun 01,2022
BOM(Bill of materials)
PCBWay Donate 10% cost To Author
Only PCB
PCB+Assembly
*PCBWay community is a sharing platform. We are not responsible for any design issues and parameter issues (board thickness, surface finish, etc.) you choose.
Under the
Attribution-NonCommercial-ShareAlike (CC BY-NC-SA)
License.
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