Hello!
Everyone had this situation:
-You are in some place, and you need to urgently call, and the phone is low. Here you will come in handy Power Bank, which will be discussed today.
Let's start by watching the author’s video:
So, in order to create such a portable, you will need:
- li-on batteries 18650 (The author took them out of the batteries from laptops)
- Plastic box
- Battery li-on charging module
- 2, three mm, LEDs
- DC DC converter
- Rocker switch
- Capacitor 100mKf
- USB socket
Let's start:
1) The author worked according to this scheme:
2) Before working with electronics, the author prepared a case by cutting holes.
3) Later inserted batteries in his homemade fit only three.
4) Next, the author connected the charge module, and soldered two LEDs to them, and immediately fixed it.
5) Next, the author connected the USB port, and the converter.
6) I connected a capacitor between the legs of the port, and connected it to the charge module.
That's all the homemade work is ready.
