Accessing the Chumby Analog-To-Digital Converter

This article shows you how to hack the Chumby hardware to access one of the 12-bit low-resolution analog to digital converters and use it to monitor an analog signal from your robot.

Read More…

How To Change the Chumby Serial Port Into Two PWM Outputs

If you disassemble a Chumby One, you will find that is contains an easily accessible TTL serial port. This article shows you how to turn the serial port TX and RX signals into PWM outputs.

Read More…

Unlocking the Potential of the Chumby Accelerometer

The Chumby contains a very capable accelerometer, the Freescale MMA7455. However, the accelerometer daemon running on the Chumby is not optimzed for applications that need rapid updates from the accelerometer. This article explains how you can write C code that unlocks the full potential of the Chumby accelerometer.

Read More…