How to Make Lab Bench Power Supply
by MrSottong in Circuits > Tools
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How to Make Lab Bench Power Supply
![photo_2020-02-22_11-52-39.jpg](/proxy/?url=https://content.instructables.com/FND/CUVU/K6WZXE71/FNDCUVUK6WZXE71.jpg&filename=photo_2020-02-22_11-52-39.jpg)
In this article I will show you how to make a lab bench power supply.
Required Components
![Screenshot (3).png](/proxy/?url=https://content.instructables.com/F39/1QMG/K6WZXDI9/F391QMGK6WZXDI9.png&filename=Screenshot (3).png)
![Screenshot (4).png](/proxy/?url=https://content.instructables.com/FVI/K0KP/K6WZXDIB/FVIK0KPK6WZXDIB.png&filename=Screenshot (4).png)
![Screenshot (6).png](/proxy/?url=https://content.instructables.com/FBJ/4CY5/K6WZXDNV/FBJ4CY5K6WZXDNV.png&filename=Screenshot (6).png)
![Screenshot (7).png](/proxy/?url=https://content.instructables.com/FCV/0KBV/K6WZXDO9/FCV0KBVK6WZXDO9.png&filename=Screenshot (7).png)
![Screenshot (8).png](/proxy/?url=https://content.instructables.com/FYP/2UUJ/K6WZXDPE/FYP2UUJK6WZXDPE.png&filename=Screenshot (8).png)
![Screenshot (11).png](/proxy/?url=https://content.instructables.com/FQW/91AL/K6WZXDQ6/FQW91ALK6WZXDQ6.png&filename=Screenshot (11).png)
![Screenshot (12).png](/proxy/?url=https://content.instructables.com/F4M/HWQG/K6WZXDRI/F4MHWQGK6WZXDRI.png&filename=Screenshot (12).png)
![Screenshot (15).png](/proxy/?url=https://content.instructables.com/FT2/7UVE/K6WZXDRJ/FT27UVEK6WZXDRJ.png&filename=Screenshot (15).png)
![Screenshot (17).png](/proxy/?url=https://content.instructables.com/F0H/QSBY/K6WZXDTH/F0HQSBYK6WZXDTH.png&filename=Screenshot (17).png)
![Screenshot (18).png](/proxy/?url=https://content.instructables.com/FXO/VAVQ/K6WZXDTV/FXOVAVQK6WZXDTV.png&filename=Screenshot (18).png)
![Screenshot (19).png](/proxy/?url=https://content.instructables.com/FZD/3HRW/K6WZXDTW/FZD3HRWK6WZXDTW.png&filename=Screenshot (19).png)
![Screenshot (20).png](/proxy/?url=https://content.instructables.com/FBV/3B8G/K6WZXDTX/FBV3B8GK6WZXDTX.png&filename=Screenshot (20).png)
![Screenshot (21).png](/proxy/?url=https://content.instructables.com/FEI/U0J2/K6WZXDUO/FEIU0J2K6WZXDUO.png&filename=Screenshot (21).png)
![Screenshot (23).png](/proxy/?url=https://content.instructables.com/FDH/DXTK/K6WZXDUP/FDHDXTKK6WZXDUP.png&filename=Screenshot (23).png)
- SMPS 24V 5A
- Step down 300Watt
- Step down 3A
- 12V Fan
- Acrylic box
- Banana Jack
- Switch
- 10K potentiometer multiturn
- 10K potentiometer
- V & A Meter
- Heat srink
- wire
- Resistor 330 & Blue led
- Female AC
Circuit Scheme
![sKEMA.jpg](/proxy/?url=https://content.instructables.com/F2I/L7TX/K6WZXE2R/F2IL7TXK6WZXE2R.jpg&filename=sKEMA.jpg)
this is a diagram for the assembly
Result
![photo_2020-02-22_11-52-36.jpg](/proxy/?url=https://content.instructables.com/FFE/N74G/K6WZXE4R/FFEN74GK6WZXE4R.jpg&filename=photo_2020-02-22_11-52-36.jpg)
![photo_2020-02-22_11-52-39.jpg](/proxy/?url=https://content.instructables.com/FJU/9O7U/K6WZXE5N/FJU9O7UK6WZXE5N.jpg&filename=photo_2020-02-22_11-52-39.jpg)
this is the result