Pi-hole on Google Wifi

One of the first projects I wanted to try with my new Raspberry Pi was running Pi-hole. Pi-hole is a software tool that blocks Intern...

In electronics, May 21, 2020

Arduino Pulse-Width Modulation

The digital pins on the Arduino board can be set (with code) to output either HIGH (5V) or LOW (0V) — essentially ON or OFF. This is ...

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Arduino-Python 4-Axis Servo Control

Although the Arduino platform is ideal for standalone applications, it really comes to life when interfaced with a PC. Connect Arduino to a personal computer and you instantly add a t...

In electronics, Apr 08, 2008

Why I Use Linux

My first computer was an Apple IIc. I was thirteen years old and, at that age, it was one of the most beautiful things I had ever seen. It had a gorgeous, green-on-black display scree...

In linux, Mar 18, 2008

Arduino Serial Servo Control

One of the cool features of the Arduino platform is its ability to talk to other electronic devices using standard protocols. The big draw of physical computing, in my opinion, is the...

In electronics, Dec 09, 2007

Arduino Pulse-Width Modulation

The digital pins on the Arduino board can be set (with code) to output either HIGH (5V) or LOW (0V) — essentially ON or OFF. This is great for applications like blinking LEDs or activ...

In electronics, Dec 08, 2007

CATO: Catastrophic Engine Failure

The Rocket-Mounted Video Camera Project came to an abrupt end as the V-2 model rocket Prima Donna suffered a catastrophic failure (CATO) on its first launch attempt. Although tragic, ...

In rocketry, Oct 13, 2007

Rocket Stability and Performance

The Rocket-Mounted Video Camera project is nearing completion. Prior to the flight test phase, however, prudence demands that we run a few simulations to ensure that the rocket will h...

In rocketry, Oct 12, 2007

Rocket-Mounted Digital Video Camera

The idea comes from MAKE Magazine, Vol. 7: Hack a $30, “single-use” camcorder and fly it on a model rocket. The project involves disassembly of the plastic camera housing, soldering a...

In rocketry, Oct 11, 2007