Issue 294: EQ Answers


Problem 1—Let’s get back to basics and talk about the operation of a capacitor. Suppose you have two large, flat plates that are close to each other (with respect to their diameter). If you charge them up to a given … Continue reading


Microcontroller-Based Wireless Pedometer & Pace Tacker Project


Anyone can easily order a pedometer or GPS sports watch on the Internet. But engineers like challenges, right? With the right parts and a little knowhow, you can engineer your own microcontroller-based wireless Bluetooth pedometer and pace tracker. In the … Continue reading


Microcontroller-Based Control Display Component

Photo 1: Fully functional CDC prototype

Jerry Brown, a California-based aerospace engineer, designed and built (both the hardware and software) an MCU-based computer display component (CDC) for a traffic-monitoring system. The system with the CDC is intended for monitoring and recording the accumulative count, direction of travel, speed, and … Continue reading


5th International PECCS Conference


The fifth edition of the PECCS conference (5th International Conference on Pervasive and Embedded Computing and Communication Systems) organized by INSTICC (Institute for Systems and Technologies of Information, Control and Communication) will take place from the February 11-13, 2015 in … Continue reading


Microcontroller-Based Air Quality Mapper

The webpage displaying CO2 measurements acquired in a session

Raul Alvarez Torrico’s Air Quality Mapper is a portable device designed to track levels of CO2 and CO gasses for constructing “Smog Maps” to determine the healthiest routes. Featuring a Renesas RDKRL78G13 development board, the Mapper receives location data from … Continue reading