With the conference just around the corner I better give a quick update on the progress of the project. I'm behind and I'm going to have to scale back the scope of the original presentation, now my plan is to just present the hardware for the project and a very minimal view of the displayed data.
I've put in my last order (I hope with Digi-Key) and I've even bought a printer so I don't think I'm missing anything. So it's just the big push to the finish line now.
Image 1 is a schematic of the power supply section of circuit for the prototype I'm building. The input is from a 12 volt sealed lead acid battery, and the outputs are a 5 volt and 3.3 volt supply with is suitable to power all the different sensors and components for the prototype.
|D100, D101||3A Schottky Diode|
|C100, C101, C102||220µF Capacitor|
|U100||LM2576 - SIMPLE SWITCHER® 3A Step-Down Voltage Regulator|
|U101||LM1117 - 800mA Low-Dropout Linear Regulator|