HomeProjectsResumeContact MeSolargram
> Projects > Playa Computer > Playa Computer 2008 > Blog > Got Power?
Playa Computer
Invisible Gold
Honda Insight
Pedal Generator
High Performance Lawn Mower
Photography Portfolio
Green Home
In Car GPS Systems
Spy Van
Shake Flashlights
Online Tarot Card Readings
Tea House
Desktop Backgrounds
Insight Battery

Got Power?

Got Power?
I made great progress last night. I have the breadboard assembled and most of the components working. Well, working enough to get some power readings.

This Propeller board is nice because there are drivers for everything I want to use. I just merge lots of code and it seems to just flow together.

1) The base board takes - 39mA.
2) Displaying lots of pixels on the screen - 150mA.
3) Base board + everything (no screen) - 65mA
4) Everything (just text on screen) - 90mA

The board starts with 5V and a 3.3V regulators. I only need 3.3V, so I pulled the 5V and lowered the energy requirement 10-15mA.

This really calls into question my 9V battery pack. That's almost 2x the voltage (and weight) that I need. The 3.3V regulator needs 4.75-26V.

I may also be able to wire the board so I can shut down components and add a sleep mode.