Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

Abstract: This paper presents the design and implementation of a scalable energy monitoring system for campus-wide applications, utilizing the Modbus protocol for robust communication. The system ...

A shield for Arduino boards that provides an RS-485 transceiver, RS-232 transceiver, and a selection of buttons, lights, and knobs.

Made for wireless communication across industries, the launch of Weidmuller’s WI-I/O-9-U3 wireless transceiver expands the company’s radio product line. The unit combines multi I/O, modem and gateway ...

When we first spotted the article about a one-transistor amateur radio transceiver, we were sure it was a misprint. We’ve seen a lot of simple low-power receivers using a single transistor, and a fair ...

The Altoids tin has long been the enclosure of choice for those seeking to show off their miniaturization chops. This is especially true for amateur radio homebrewers — you really have to know what ...