This is a new DIY soldering kit for building a dual rail variable DC power supply. It's designed for intermediate skill level electronics enthusiasts and hobbyists. The project is great for learning circuit assembly and creating a useful bench tool. Free shipping is available for this item. The kit provides hands-on experience in assembling a functional power supply unit. It is suitable for makers, students, or anyone looking to develop their soldering and electronics troubleshooting skills. Check the listing for full details, component specifications, and complete build instructions. DIY Dual Rail Variable DC Power Supply Soldering Kit (Intermediate Skill Level). Condition: New. Listed at 14.99 USD. Science Purchase Our eBay Store About Us--> Contact Us--> Add to Favorite Sellers--> DIY Dual Rail Variable DC Power Supply Soldering Kit (Intermediate Level) 12.95 --> Intermediate level soldering kit, illustrated assembly manual includedUseful as a power source for many electronic circuitsInput DC +3 to +15VBoard dimensions: 3”(L) x 1.75”(W)Assembly with a soldering iron is required. Solder and soldering iron are not included. This intermediate level soldering kit can be useful as a power source for many electronic circuits. All component parts are included with the kit. Input DC +3 to +15V. Features: Wide power supply range: Single supply, 3V to 32V Or dual supplies, +/- 1.5V to +/- 16V Two independent, high gain internally frequency op amps Positive and negative variable dc power supply Two adjustable potentiometers Input and output terminal blocks On / off switch Board dimensions: 3”(L) x 1.75”(W). Assembly with a soldering iron is required. Solder and soldering iron are not included. Product Details PCB Color Green Height 1.00" Length 3.00" Width 1.75" UPC --> Thank you for viewing our listing. If you have any questions about this item, please click the "Contact seller" link above.