Monthly Archives: June 2016

On watchdog timers

For many embedded software engineers, the watchdog timer is something that is designed in at the end. The thought is you just turn it on prior to shipping and “She’ll be right”. But this is a terrible travesty.

Posted in AVC, Processors | Leave a comment

XBee radios

I had gotten a pair of 1 mW XBee radios a while ago. I had wanted to use them to communicate with my robot while it was running. Normally I use an RS-232 cable in the lab, but in the … Continue reading

Posted in AVC, XBee | Leave a comment

IMU heater

I am using a Pololu 9-DOF module as the IMU for my robot. Its a very small device (1.0*0.8″) using MEMS bases gyro, accelerometer, and magnetometers. The trouble is these sensors have some drawbacks. The first is that MEMS sensors … Continue reading

Posted in AVC, Pololu 9DOF IMU | Leave a comment