Freelance Tech Journalist / Technical Writer, Engineering Consultant

Jeremy Cook Consulting

Jeremy Cook is a freelance tech journalist and engineering consultant with over 10 years of factory automation experience. An avid maker and experimenter, you can follow him on Twitter, or see his electromechanical exploits on the Jeremy S. Cook YouTube Channel!

Articles 81 - 100

Raspberry Pi OS Fan Control - Blog

March 15, 2021

As you probably know, Raspberry Pi single-board computers, especially Pi 4 models, can get quite hot. While passive cooling options are often good enough to avoid overheating and thermal throttling, at some point you’ll need to think about using a cooling fan. The Raspberry Pi’s GPIO pins don’t supply enough current to power even a small fan, but there are several ways to power and control a fan with the Pi.

Software & OS

Exploring Tech In the 90s with BBSes - Blog

March 04, 2021

Some time in the early 1990s, my parents got “their” first computer, a 386 SX by a company called “USA Flex.” This device had 640KB of memory, and a “turbo” button to go from 8 MHz to 16 MHz–a relief if that kind of blazing top speed was too intimidating–and came with Windows 3.

Analog & Power

Designing an Automatic Bicycle Wheel Light PCB - Blog

February 24, 2021

While it’s still a bit cold to ride a bicycle right now over much of the United States (and the Northern Hemisphere in general), here in Florida, it’s a great time to get outdoors. The only small problem is that as the sun sets fairly early until daylight savings time starts. It’s therefore quite possible then that you might end up being out beyond sunset, and in that case it’s a good idea to have a light to keep yourself visible to others.

Networking & 5G

Reserve Static IP Addresses on Your Router - Blog

February 09, 2021

In a previous article, I outlined how to connect to your Raspberry Pi via SSH, and noted how you can assign a Static IP address to allow you to consistently find it.

Open Source

Grounduino Nano: Extra Ground, Power, and Capacitor for the Arduino Nano - Blog

February 05, 2021

One might say that Arduino boards have been critical to today’s freedom of electronic experimentation, allowing normal people to make all manner of custom devices.


60W CO2 Laser: 3 Months In - Blog

January 29, 2021

About 3 months ago I got a new laser cutting and engraving machine.

Networking & 5G

Nearly Triple Internet Speed with Wired Ethernet and Simple Upgrades - Blog

January 14, 2021

As a result of the current pandemic, more people than ever have been working from home. While there are definite drawbacks. As someone who has worked from home for years, I’d argue the positives far outweigh the negatives. Regardless of what happens in the future, I suspect that working from home will be, if not the "new normal," at least much more common.


Raspberry Pi Home Automation Part 4: Automation and Customized User Interface - Blog

November 17, 2020

In this post, I’ll go over a few tricks for setting up your user interface, as well as how you can automate things to potentially take yourself out of the loop completely!

Networking & 5G

Raspberry Pi Home Automation Part 3: Putting it All Together With Home Assistant - Blog

November 16, 2020

Setting up and running your own Raspberry Pi home automation system is both fun and useful, and lets you have control of your devices without depending on “the cloud.”


Raspberry Pi Home Automation Part 2: Flash Devices With Tasmota Firmware - Blog

November 06, 2020

While a Raspberry Pi is the central hub of this home automation system, It of course needs devices that work with it.

Software & OS

Making the Switch to Macintosh as an Engineer - Blog

November 03, 2020

After setting up my father’s 386 SX–complete with a “turbo” button that let it perform at 16 MHz–many years ago, I’ve stuck with IBM/Microsoft, with the exception of a few forays into Linux.


Intro to Raspberry Pi Home Automation - Blog

October 29, 2020

Home automation, and the Internet of Things, has been the technology of the near future for what seems like well over a decade now.


3D Printed Fastening Part 2: Attachment Without Inserts - Blog

September 03, 2020

Whether you need high strength, ease-of-printing, or the ability to slide your part back and forth after linking, there are a wide variety of techniques available to finish off your print.


3D Printed Fasteners: Part 1 - Inserts - Blog

August 28, 2020

In this post, we'll go over several options for adding fasteners, like nuts and inserts to your 3D design.

Software & OS

Easy Headless Raspberry Pi Setup - Blog

July 21, 2020

The reality is that once you go through the process one time, if you follow the right steps the next installation is just a few clicks away.


Project Photography Tips - Blog

July 14, 2020

When making something awesome, it's a good bet that you want the whole world to know about it. If you'd like people to appreciate just how interesting your device is, you'll need to take good photos.

Software & OS

Raspberry Pi Cooling Fan Control with Bash Scripting - Blog

June 30, 2020

As it just so happens, the Raspberry Pi doesn't come with any sort of active or even passive, cooling solution, and it's common to simply hook up a fan to run at all times to its 5V power supply.

Open Source

Intro to Raspberry Pi Bash Shell Scripting - Blog

June 24, 2020

Getting started with Raspberry Pi single-board computers (SBCs) generally means installing the Raspberry Pi OS, and interfacing with its Windows-like graphical user environment.

Open Source

Easy Raspberry Pi File Transfer with WinSCP - Blog

June 01, 2020

With WinSCP installed, you'll be able to graphically manipulate Raspberry Pi files with minimal setup.

Open Source

Raspberry Pi Power-Up and Shutdown with a Physical Button - Blog

May 28, 2020

To turn off a Raspberry Pi you don't just "pull the plug." You need to actually shut it down in the same way as a PC. To turn it back on you need to disconnect then plug it back in, which is annoying.

Articles 81 - 100