Best K40 Laser Upgrades: Upgrading for quality and abilities!
Upgrading my K40 laser cutter to have better quality and abilities

Upgrading my K40 laser cutter to have better quality and abilities

Did you ever want to have your return to your office or home announced with a fanfare? Probably not, but let’s do this anyway ;) This script will use Bluetooth (built into the Raspberry Pi 3) to …

Slack is a hugely popular live group chat system. While a lot of my notifications now go to Discord, as I wrote about here, Slack is still more popular with development teams, and it is what we use in …

While Arduino and Raspberry Pi dominate, there are other boards out there for robot builders. One of the best for rapid robot development is IoTiny from EZ-Robot.

DJI/Ryze Tello Mini-Drone is, as the name suggests, a new and tiny drone from the people who created my lovely DJI Mavic Pro. The important differences are, however, compelling:

I have been writing a lot more about Raspberry Pi than Arduino lately, but don’t get the impression I am leaving the Arduino world behind. Both devices have their benefits, and in fact, I …

You may have seen in the Maker Hacks Facebook Group the latest iteration of my Raspberry Pi based entertainment center. It’s now got to the point where I need a boot menu, so I thought I would …

Grove sensors are a plug and play way to add sensors, buttons, displays, and actuators to your electronics projects, without soldering. Let's take a look how well they work when paired with a …

Running commands from the shell is all well and good, but what if you don’t want to always be logging into your terminal? What if the script, or even server, crashes or needs to reboot? In this …

If you are logging in and out of a Linux machine, especially a Raspberry Pi on your local network, it can be a pain to keep entering a password. The longer and more secure your password, the more of a …

The Prusa Mk2/Mk3 3d printers are renowned as top quality, but buying parts is a painfully expensive deal due to the long journey and single supplier. That just changed!

Here is a shell script that will allow you to kill a script if it is already running #!/usr/bin/env bash ps -ef | grep $1 | awk '{print $2}' | xargs kill -9 Supply the name of the script as the first …

Update, 2026. This kit is no longer on sale, and the shop links below died along with Gearbest. I have left the review up because the build notes and the general lessons still apply, but do not go …

Update, 2026. This printer is no longer on sale, and the shop links below died along with Gearbest. I have left the review up because the build notes and the general lessons still apply, but do not go …

In the previous Discord article we set up a listener, but really that was just the foundation – enough to listen for “hello” and greet the user. Now we need a real-world example.

A Discord bot that only SENDS messages is all well and good, but really we want our bots to interact. We need to make them listen and respond.

Creality CR-10 MINI 3D printer kit - as good to review as the other 3d printers in the CR-10 lineup? Let's find out in this review!

I am on a mission to declutter my email. Once you get past the unsubscribe/filter stage, the next thing is to get the important information in a different way. Once I started down this path, however, …

Can your PC mine bitcoin? If you are interested in dipping your toe into cryptocurrency mining then fear not - it might be easier than you thought

A common complaint from Raspberry Pi owners is when running headless (no monitor or keyboard). If the Pi reboots then you lose your login session and often the previous IP address. Using …

Unix and Linux are a lot more powerful for automation than people from other operating systems know, that power is under the hood in Macosx (via the BSD Unix foundations) and that power is making its …

I am in love with a 3D printer and her name is Formlabs Form 2

Can I replace my 2012 iMac with a DIY PC that is at least as powerful? Can I do it for less than a new iMac would cost me? Will it run MacOSX?

I received a JG Aurora A5 to review. Unfortunately, there were a few issues. Fortunately, however, they were issues I was fairly sure would be resolved by the community-provided Marlin Firmware. Yes, …

Adding a GPU (graphics card) to your PC, but not enough space or full length slots available? a great solution is to use a "Powered PCIe Riser".

Lots of people ask me about IoT (“The Internet of Things”). It’s a currently warm, if no longer hot, buzzword. Problem is I find a lot of the instruction out there …

When I put together my brand new Virtual Reality PC I immediately encountered a problem. Wifi dead zone.
Formatting round-up posts takes a bit of effort so I have been looking for ways to make the non-creative work as automated as possible. One of these tasks is creating thumbnails. Turns out it is …

Recently I have come around to really enjoy the Grove sensors and displays from Seeed. They are so convenient!

In my research for my maker kids kits series, I came across a new gadget from Kano, the makers of the famous Raspberry Pi computing kit. It looked interesting so I bought one. Here are my thoughts on …

Should you get one big 3d printer or multiple, smaller printers? It’s a question I get asked a lot. Obviously, the question is usually answered with a question … or 5 … There is, …

We all know about Black Friday and Cyber Monday, but did you know about the equivalent with Chinese companies? It's 11/11 - a fantastic time for deals on 3D printers, laser engravers, and drones.

It must be building up to gift-giving season because I have been asked a whole bunch of times for ideas for what parents should buy their kids to encourage their interest in making – …

Ultimaker sent me an Ultimaker 3 for review, and to try out some projects on – exciting stuff (and from community reaction, I am not the only one who thinks so!). Since I posted my video I have …

Halloween is an awesome time for makers. Each year I like to beat my previous year’s builds. For Halloween this year I thought I would do something a bit special and create two projects. This is …

Prusa i3 Mk2/Mk3 and Creality CR-10 are the hot 3d printers right now under $1,000, but which should YOU choose?

Athorbot Buddy Couple Dual Extruder 3D Printer Review - In this article we cover the 3d printer build/assembly, some sample prints, how to get it running, and first Impressions after a week of use.

Creality CR-10 reviews are almost always about the regular sized 300mm x 300mm bed 3d printer (see my CR-10 review here) and reviews rarely talk about the big brother, the Creality CR-10 S5. I have …

3D Printer manufacturers are in my (non-lawyer opinion) abusing open source, profiting from the developers and the community while not complying with their wishes and the license terms.

BIQU Kossel Plus Delta 3D Printer Kit – it is not my first delta by any means, but it certainly stands out in some significant ways already. Here in this post I will share my first impressions, …
