DIY Cheap Lab Power Supply 5A/30V
Description
Easy To Build Lab Power Supply From Cheap Ebay Parts (Approx. $16). What You Will Need: - Power Supply Unit: [Ebay Search](Https://Www.Ebay.Com/Sch/I.Html?_From=R40&_Nkw=Adjustable+5A+Step-Down+Buck+Lcd+Digital+Power+Supply+Module&_Sacat=0) - Spare Laptop Power Supply (I Use One With 19.5V Dc / 4.9A) - Some Black/Red/Yellow Wires (From Old Pc Power Supply) - Female Banana Panel Plugs: [Ebay Search](Https://Www.Ebay.Com/Sch/I.Html?_From=R40&_Nkw=4Mm+Banana+Plug+Jack+Socket+Female&_Sacat=0) - On/Off Panel Switch: [Ebay Search](Https://Www.Ebay.Com/Sch/I.Html?_Odkw=Power+Switch&Lh_Bin=1&_Osacat=0&_From=R40&_Nkw=Rocker+Switch&_Sacat=0) - 4Pcs 3X15Mm Countersink Self-Threading Screws. - Printed Case - Solder Iron. *Note:* Max. Output Voltage Is Limited To Input Voltage - 0.5V. Using The Suggested Laptop Power Supply Will Give A Max. Output Of 19V. Follow Photos For Assembly. Printing Time For Case Is Approx. 3½H. **Updates** **2021.01.29:** Added Model With Ventilation Slots For High Power Units.
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