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Lab power supply: 30V/5A and symmetrical -15V/+15V - 3A

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Vermes

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It is a lab power supply, which consists of two parts: 30V/5A and symmetrical -15V/+15V-3A. Both devices have adjustable current limit indicated by LEDs. Temperature adjustment of fan cooling the housing was based on Attiny13. Transformer windings switching is done automatically.

In the attachment to the original thread of this project, you can find file with all schematics, PCB and sources important when you want to build this power supply. There are also files in Eagle.

Link to original thread (useful attachment) - I znowu Zasilacz...30V/5A i Symetryczny -15V/+15V - 3A
 

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