Blinky Finds a Friend at Maker Faire 2014

Blinky Finds a Friend at Maker Faire 2014.

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How to Laser Cut a PCB Solder Paste Stencil on Kapton

This guide shows you how to convert a gerber file containing the paste layer of your PCB into a vector file that you can use to create a kapton stencil with your laser cutter.

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Blinky Competes at RoboGames 2013

Blinky competes in the Balancer Race at Robogames 2013.

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A Simple Realtime Application on the PandaBoard:
A 10 KHz Square Wave

This post contains code that creates a 10 KHz square wave on one of the GPIO pins of a PandaBoard running the real-time Linux extensions. It is a proof of concept showing that the PandaBoard is suitable for real time applications.

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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.

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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.

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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.

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