Tag: power

Small Steps…

Posted on March 29, 2014

I finally got all the logic power connections tested and done, and got a number for steady state current consumption! The magic number is….  ~700mA ! This was for several items powered up at once: Beaglebone Black Adafruit GPS Realtime clock Powered USB hub USB memory stick USB WiFi link The battery I have right […]

The Saga of the Simple On-Off Switch

Posted on May 7, 2013

Sometimes what should be simple isn’t, and what shouldn’t be simple is. Case in point: the humble on-off switch. Before I started designing the current incarnation of the rover I had already started to build the control panel for the power switches. Pretty early on you’ll learn that it can be simpler to keep the […]

Category: Hardware Tagged ,

Next Step: Motor Control!

Posted on March 17, 2013

The next step after choosing motors (like these) is to select a method of controlling them. I prefer to have something with PWM speed control and current feedback, so that’s going to narrow down my list a bit. PWM speed control is easy to do with an Arduino / Atmel chip, and you can do […]

Category: Rover Tagged , ,