Features

• The board accepts various input choices: USB-C (5-20V), Standard USB (5V), Li-ion Battery (3.7V and higher), Lead Acid Battery (6V to 24V)
• It provides multiple outputs at the same time with different polarity as (3.3V, 5V, +12V, -12V and adjustable)
• You can get two adjustable outputs
• It can supply loads with a high current reaching 1.5A
• It provides short circuit protection and overheating protection
• It ensures uniform thermal distribution for less heating and prolonged life
• Wide input range 3.3V-25V from USB charger, Power Banks, Batteries or other power supplies
• Wide output range 1.2V - 25V
• Compatible with breadboard 
• It has a separate LED indicator for each output
• More than one input can be connected at the same time without a problem. The priority will be given to the highest input

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For What Can I Use it?

• Useful for Home and Online Learning for Electrical and Electronic Courses StudentsLearners, Colleges and Universities
• Useful for Electronics for Kids Courses and Geeks
• Useful for STEM Clubs and Schools Design and Technology Activities
•  Useful as a Portable Power Supply Powered by a Power Bank 
• Useful as a Battery Charger
• Useful for various Arduino/Microcontroller Projects including Robotics, Control, Communication and Power

Motivations

• During the Corona Pendamic, all learners have to stay at home and use online resources to gain knowledge but this limited their practical skills and hands-on. The available affordable power supplies are not cheap, not portable and offer one output
• The available mini kits in the market can't provide high currents or multiple outputs simultaneously
• Kids can't use complex or Mains-powered power supplies at schools or STEM clubs
• Limited availability of negative voltages with decent currents

It has TWO options for output boarding 

Optional Accessories You could get, in addition to the Mainboard : 

•  Output Extension Board X 1PCS; 
• Adjust Screwdriver X 1PCS;
•  USB Type C Charger with a cable X 1PCS.