Though I still don’t get the sparkcore, but I am always thinking about the power supply of the core. How can I power the device easily. After severial days thinking. I think I get an good idea - a mini power circuit( I call it Easy Power).
It’s a 38*21mm two layer pcb which can output 3.3v and 600ma with the input voltage 0.9-3.0v. With this board, I think I just need to prepare two AA batteries before I get the core. How easy it is!!
What’s more, all the material on my power board only costs me less than 1 USD. What a amazing thing it is!!
I am glad to show the picture of my pcb, but I am a new member of the community, so I can’t upload the picture. If someone want to see the picture, e-mail me.
Now I am able to upload my picture.
In fact there are two power circuits in my board, but the function are same. I use this board for the test. I think in the next generation, I will add the header which will be compatible with the core’s power pin so that I can plug the Easy Power with the core easily.