Such as the solar panels and the battery you intend to use. It would also be helpful to know any of the relevant voltage/amps of the components. TinkerCad Circuits – Another free & easy to use tool, but this one is browser based and requires a login ( )Ĭ.Draw a simple block diagram of what your circuit should do, alongside a picture of a top down shot of your circuits (Pen, Paper and Camera Required) This could be accomplished with the following tools:Ī.ğritzing – A easy to use, Open Source tool (Free Download required - )ī. A clear diagram showing how it all comes together.A brief summary of what you want your project to do.I really need to know a little bit more about your project to give a more detailed answer. But you could use the switching power supply to provide the correct voltage to a battery charging unit. If you want to charge a Lithium battery you need to have a Lithium battery charger as well. Unless of course, they draw less than 2A. The relay on the pHAT can only handle 2A, so it’s not really suitable to directly control LED lights.
