FLAWISH AC-DC 85-265V to 12V / 5V Buck Converter Adjustable Power Supply Step Down Module Bare Board : Amazon.in: Computers & Accessories
USB 2.0 to Type E Adapter Metal Plastic Black Exquisite USB 2.0 to Type E Expansion Card Easy to Use for PC to Computer Motherboard : Amazon.in: Computers & Accessories
AC/DC 220V to 12V/5V 15W Dual Output Step-Down Isolated Switching Buck Power Supply Module : Amazon.in: Electronics