Build a Wireless Weather System: Final Fixes and Options
I had planned on showing you how to add an LCD receiver satellite in this series, but before I do, I need to show you how to utilize the new Maxstream Series 2 XBee modules. Maxstream no longer supports mesh networking utilizing the original XBee modules.
Review: Niagara IV Ink Flow System
I have been interested in photography since I was a teenager and I remember the early days of color slide processing. Things have definitely come a long way since then. While the costs of the digital cameras have dropped, the quality of the photos produced has increased. In this series, I will show you how to create some cool electronic projects that will allow you to control your camera in ways you may find very useful. Along with these projects, I will also show you how to use...
Build A Dog Detector
We have several pets in our home, including two dogs. One of the problems we have is the dogs like to sneak into the kitchen and eat the cat’s food. My wife asked me if there was any way we could create some sort of detector that would chirp each time a dog entered the kitchen. Of course, I said yes...
The Ultimate Utility Meter - Part 1
In December 2001, I wrote an article in Nuts & Volts called the “Digital Utility Meter.” It was a great success and many readers built the meter. I think the reason it turned out so well was the fact that I used the meter to aid in many of my own projects.
Build This Cool Interface To Work With Your Exercise Bike
One form of low impact exercise is an exercise bike, however, as with any exercise, we are more likely to do it on a regular basis if we can stay motivated. As a software and hardware developer, I decided to create an interface to one of my exercise bikes. Before I started, I set out with a few requirements.
Interface Your PC To A Portable Digital Multi-Meter
The RadioShack 22-812 multimeter is one of the most popular meters you will encounter. It touts many features found on much more expensive meters, one of which is an RS232interface. When I first saw this meter, my geek alarms started ringing. Wow! Just think of what I could do with a digital multimeter with a RS232 interface...
Integrating the CMUcam - Part 2
A while back, I was researching sensors for a project I was working on when I came across a little device called a CMUcam. The CMUcam is a low-cost vision sensor developed by Carnegie Mellon University ([url=http://www.cmu.edu]http://www.cmu.edu[/url]). The CMUcam has both an RS232 level interface, as well as a TTL level serial interface so you can connect it to your favorite microcontroller or directly to a PC...
Interface Your PC to an LED Sign - Part 3
I was doing a robotics show and needed a way to both attract contestants and display contest results. I had seen a couple LED signs and decided one would be perfect for this kind of application. My only requirement was that the cost had to be reasonable and the sign needed to be easy to transport and hook up...
Build a Gaming Exercise Bicyle - Part 4
In this installment of Control Your World, I am going to show you how simple it is to use a microcontroller in this quest for control. While the project may look very complicated, it has been presented in such a way that anyone with even the slightest soldering skills should be able to complete the project...
Build a Wireless Weather System: Part 1
When I first started this series, I knew I wanted to build a wireless weather station. In no way could I have imagined how well the overall system would function, nor could I have envisioned its versatility. In this article, it all comes together...
Build a Wireless Weather System: Part 3
In this installment of the wireless weather station, I am going to show you how to build the outdoor weather satellite. Once assembled, we will run some tests with our indoor and PC interface satellites, as shown in the network diagram in Figure 1.