X Y Scanner for Laser Pointer

To be able to display fixed or animated simple pictures or some characters from a PC, this project demonstrates the construction of a very low cost X Y scanner for a laser pointer.

Sport Analyzer Using an Accelerometer

This sport accelerometer uses a transmitter with accelerometer that reads data and transmits to a computer with DSP while being used in athletics to determine the wrong foot steps as the athletes run.

Party-Like Music Produced from Acid-Machine

This machine works by making a LED blink in the frequency of the sound and a set speed rotates the image.

Chicago's Industrial Electrical Power and Control Contractors

In business since 1947, John J. Pempek Inc. is one of Chicagoland’s most dependable industrial power and control contractors. Based out of Palos Heights, Illinois, they provide a variety of commercial and industrial electrical contracting services, ranging from high-voltage service and control panel construction and maintenance to infrared thermography and machine service.

Miniature Electronic Speed Control with High Rating and Versatility

Two features are combined to build this electronic speed control (ESC) for brushed motors which includes a high-rate ESC with a brake and a high-rate 12A ESC with as receiver battery eliminator circuit (BEC).

Portable ECG Unit Powered by Solar Energy

Illustrated in this project is a solar-powered portable electrocardiogram (ECG) unit that is built by a student from the Swiss Federal Institute of Technology.