Industrial EMC

In industrial environments where there will inevitably be a substantial amount of electrical noise, disturbance and unintentional electromagnetic induction, the question we need to ask is, can Raspberry Pi cope with EMI, and will my prototype achieve acceptable EMC?

Read more … 2020-01-17

How to Connect Raspberry Pi to Industrial Sensors

Raspberry Pi provides general purpose header pins that can be connected to sensors, making the low-cost board a popular choice for engineering prototypes. Pi’s GPIO pins are designed for driving low current devices such as LEDs however, so is it possible to connect to the I/O necessary for industrial environments?

Read more … 2020-01-17

RS-485 Masterclass - What is it and Why use it?

Part 1 of this lecture looked at the benefits of RS-485 and we present a selection of the concepts in this article. If you are new to RS-485 or contemplating using it here are some of the reasons it can be a great choice for data transmission. Six great reasons to use it: cost, speed, reach, noise resilience & simplicity

Read more … 2015-03-27

CNC machining benefits from PLC operation linked to PC control, networking

CNC machining benefits from PLC operation linked to PC control, networking by Eamonn Walsh

Read more … 2014-06-06

Controlling a Serial Port From a PHP Webserver

Using PHP in both Windows, OSX and linux to control an RS232 or RS422/485 serial port

Read more … 2014-01-24

Powering BL-819/BL-830

BL-819 and BL-830 can be powered from alternative sources, for example using USB or Car Cigarette lighter.

Read more … 2011-12-01

PCI and PCI Express

An introduction to PCI and PCIe and their differences

Read more … 2010-09-03

The Software Challenge

How to present the data in a uniform manner to the computing device, that is simple to use, easy to configure, secure and...

Read more … 2009-09-01

Latency and Response Times

What is Latency? And why is it such an issue?

Read more … 2009-07-01

Brief History of Serial Communications

From MSDOS and ISA to Multicore CPUs and Windows

Read more … 2009-05-01