26. Crude power supply/converter

This is an interesting project, since this one uses a voltage of 3.7 volts, and converts it into a maximum of 30 volts DC. It uses Li-ion batteries as a source, since they deliver 3.7 volts, and have the highest capacity altogether. There, once it turns on, it goes through the DC to DC converter module, where it has a specialized chip that can produce such voltage, and a trimmer is here to control the voltage.

<Full view>

The battery cells can be charged with the included tp4056 module, which can deliver a steady current to charge the batteries with ease.

Since it's in housing, external LEDs are added to see the indication of whether or not it turned on and the battery indication. Since it's simple to use, it can be used as a crude power supply.

<Test>

Not only that, but due to its sheer portability, it can be carried around for later use, such as powering 12-volt LEDs on the go, and so on!

<Typical Circuit for the Booster>