My K40 laser is the most humble of its kind, having analog dial and controls, and basic optics. Even so, the results are fine. Now my mission is to take this little Chinese laser and bring it up to the 21st Century. 1. Optics The default mirrors and lenses are built to a price point, […]
Announce Your Entry with Raspberry Pi, Python and Bluetooth
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 detect when your phone is nearby, and if detected will play the MP3 of your choice!
Linux Automation Tip: How to Send Messages from Python to Your Slack Channels
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 my day job. Being able to notify your team when something happens programmatically can be very […]
EZ-Robot IoTiny
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 Review
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:
Running Raspberry Pi AND Arduino for the Best of Both Worlds
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 believe they work really well together. Let’s take a look at the easiest way to do that!
Linux Automation Tips: Create a Boot/Start Menu with Python
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 share the code and implementation with you! Code See the full code in the Gist. First we need […]
Using Grove Sensors, Buttons, and Displays, with Raspberry Pi and Python
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 Raspberry Pi!
Linux Automation Tips: Running Scripts Automatically
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 series, we have been looking at automation in Linux, and nothing is more important than automating the launching […]
Password-Less SSH Access to Your Linux Machine or Raspberry Pi Using Public Keys
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 pain it can be. If only there was a secure but convenient alternative … Well, there […]
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