Piezo buzzers can be found everywhere, next time you throw out an old smoke detector be sure to remove the piezoelectric element from it and stash it in your parts bin. If you want to monitor sound with a piezoelectric element it’s not that easy since the voltage produced by the device is so small. Nerd Kits has not only provided a circuit to help out they also walk
Inspired by Erik’s creations, Daniele Benedettelli put together this very elaborate drawing robot. You basically import a picture that you want the machine to draw. Manipulate the image to make the image simpler and let the robot loose to draw it. I can’t wait until my daughter starts asking for one of these LEGO Mindstorm NXT kits. It will be lots of fun for me her.
Cornell University has just completed their ECE 4760 Designing with Microcontrollers Final Projects. There are lots of great projects, this 3D Laser Scanner by Ryan Dunn and Dale Taylor looks to be a flexible scanning system. Code and schematics are provided so that you can learn from their project. "Our project implements the hardware necessary for a laser triangulation 3D scanner as well as a PC user interface for
This is an interesting look inside a Russian Nuclear Power Plant Control Room. It was completed in 1990 after a 8 years of construction. Even though it wasn’t built yesterday I am surprised that it doesn’t have more computer screens to monitor the status of the plant. If you like dials, buttons and lights you would be completely at home in this control room! "Because this powerplant was completed
Here is a fun project that is sure to spice up your next party. 🙂 Ercost60 built this cool Hot Wheels Basic Stamp Margarita Dispenser, watch a few cars zip around and get a drink from the gas can. "A Parallax Basic Stamp 1 monitors the progress of the stunts using microswitches added to the accessories. If the track is properly set up (requiring a hint of sobriety) and
If you want to go under the sea, this Parallax Submersible ROV project by Richard will allow you to go where most electronics don’t want to go. With a goal of looking at the bottom of a lake in Michigan and watching some fish I think this project will do very well. "This ROV is tethered to the surface with a 6 conductor Ethernet cable and nylon support line.
Above and below are 4 items, the source and date will not be given to add to the challenge. This contest will run for one week (May 1 – May 7, 2009) . Ending time is based on central standard time. To enter, leave a comment with your best guess at the total price of the items. If you know the source or date of the ad please do
