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Vector-based Pong on an Oscilloscope

Posted December 19, 2011 by Chris

“For my MCU Project Laboratory final project, I created a two-player Pong game on an analog o-scope. Two potentiometer knobs functioned as the controllers and A/D converters translated the voltage set by the controllers into coordinate information for the paddles. The XY mode of o-scope enabled two voltage inputs to direct the CRT’s electron gun around the display to generate 2D graphics.”

Light Reading: Build A Kilobot Swarm

Posted December 18, 2011 by Chris

“The robot design allows a single user to easily oversee the operation of a large Kilobot collective, such as programming, powering on, and charging all robots, which would be difficult or impossible to do with many existing robotic systems. The researchers demonstrate the capabilities of the Kilobot as a collective robot, using a 29 robot test collective to implement some popular swarm behaviors.”

Interfacing TI Launchpad to Digital Caliper

Posted December 17, 2011 by Chris

“MSP430 Launchpad from TI is a new, very affordable (4.35$), value line development platform. It uses MSP430G2231 – msp430 series mcu and includes everything you’ll need to start programming the msp microcontroller. In this article I’ll show how to use this development platform to read data from digital calipers and send it to a PC RS232 serial port.”

AVR Based Digital Thermometer with Nokia 3310 LCD and Thermistor

Posted December 16, 2011 by Chris

“This project shows how to use a simple thermistor to measure temperature and display the temperature graphically on a Nokia 3310 LCD. Thermistors are incredibly cheap (about 50 cents), and provide fractions of a degree accuracy.”

DE0 Nano Intro Tutorial

Posted December 15, 2011 by Chris

This article gives a quick intro to how you get started using the DE0 Nano development board with a simple example program. All you need is a DE0 Nano and a laptop, and you can get started building and programming your own FPGA logic.

Fake Car Alarm Circuit – 555 tutorial

Posted December 14, 2011 by Chris

“This page outlines how to make a simple theft detterant which may be just as effective. The idea is to have a flashing red led indicate that your car is protected. This device can protect your vehicle from potential thieves – it makes it look like your car has an armed alarm system installed, which causes thieves to pass by your car in search of an easier target.”

Open Automation Project

Posted December 13, 2011 by Chris

“The purpose of this project is to engineer modular software and electronic components, from which it is possible to assemble an intelligent mobile robot suitable for home/office environments. This project aims to fill the gap between the powerful mobile robot platforms typically used by researchers, and the small rug-roving robots with limited processing power that are popular with hobbyists.”

Worry-Free Automatic Timed Plant Feeder

Posted December 12, 2011 by Chris

“Do you often forget to irrigate your plants? Do you have to ask your neighbors to take care of them when your whole family is out for a vacation? Don’t worry any more! Here is a solution. This embedded system, worry-free automatic timed plant feeder, can do all these services for you…It can: regularly feed water to your plants for a specified amount of water; and also be used as an alarm clock.”

Programming a Picaxe 08m Chip

Posted December 11, 2011 by Chris

“The Picaxe 08m is a PIC chip with a pre-installed boot-loader that allows programming the chip via a serial port. This is similar to the way that the Arduino has an AVR chip with a pre-installed boot-loader. There’s also some software for the Picaxe for handling the programming, a bit like the Arduino IDE.”

3D Scanner Prototyping

Posted December 10, 2011 by Chris

“How does it work? A digital camera is placed in phonographic rotational axes and records laser light reflections from object’s surfaces (it works better in the dark). Distortion of laser line corresponding to object’s deformations derive the location from the laser source. Constant rotational speed and precise measurment are very important.”