DIY long lasting voltage regulator circuit for Raspberry Pi

Jithin @ rootsaid.com writes:

Raspberry Pi is simple, handy and cheap yet powerful single board computers of all time. It has USB ports to connect hardware such as pen drive, keyboard, mouse, HDMI port for display out, 3.5 mm port for audio and several GPIO pins to work with embedded projects, all of which can be powered using a mobile charger. You can even make it portable by simply connecting the mini USB port to a mobile phone power bank so that you can use your pi on the go. But if you connect more USB devices and use the GPIO pins, the power bank will drain off quickly. In this post, I will tell you how i made my own power supply unit using a Lithium Polymer battery and a voltage regulator.

Project info at rootsaid.com.

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