What is it!? It’s a small smoke generator controlled by Alexa – that allows you to evoke the chalice of fire one might imagine being part of Harry Potter’s world. The smoke is illuminated by high-ish powered lasers, and the whole thing is controlled with an ESP8266 and an Alexa Skill. How does it work?… Continue reading Wizard’s Fire!!!
If you haven’t yet figured it out. I’m a big fan of techtutorialsx – the stuff he likes is very clearly many of my own interests, and I often find myself on his site when I need to figure things out. This is yet another example: I ran across his site when needing to explain to… Continue reading ESP32 Arduino: HTTPS GET Request
Super cool article on getting web-sockets functioning on an ESP32: https://wp.me/p6Er9u-6nx Web-sockets allow for 2-way communication without the need for reloading a webpage. Now, with this trick you can communicate with your esp32, sending commands and more without fully loading a file.
There are a bazillion hidden gems in Linux Terminals. When getting started its easy to forget how much has been done to make your life easy and simply stick with what you know. I went for years without knowing Ctrl-R – and now, I can’t live without it. Here are some top level ones to… Continue reading Terminal keystroke conveniences…
Sometimes you need your little linux box to be available for login even while it lives on foreign networks. Why…? Say you are helping a remote friend play with a pi. Or you just want to share a TMUX between your kids and their friends. Another use-case – as a professional, deploying a bit of… Continue reading Raspberry PI – SSH Tunneling Into Hostile Territory – plus tunnel on boot
Robot Commander Launched!!! I wrote a new Alexa skill called RobotCommander. It allows you to control a robot through a maze of traps. The fun part is the game, but along side the game I also built a site that updates as you play. The Intro… Welcome commander! You need to Save your robots! Doctor… Continue reading Robot Commander Alexa Skill – Has PI
The Sleepy Fairy… a low power circuit using a Mosfet Trick. Before we begin… the Story. The story is important, it holds ALL the magic… the circuit just seals the deal. While holding the canister up: Now this… Look closely. Many years ago, I was walking through the woods. It was a warm and pleasant… Continue reading The Sleepy Fairy – A simple project to create Fairy Magic.
Sometimes I forget to mention the sites I use to find all the treasures I hoard. There are a couple that I check almost religiously, because you never know what they might pop out next. Others are just fantastic businesses because, in addition to providing novel products, are also a great help to the home… Continue reading Circuits like Legos, my part sources. Or… Where to get all this fun stuff.
Source: http://makezine.com/projects/raspberry-pi-potter-wand/ Make has a write-up on wand-control with a simple reflective wand… …it *was* broken. Fixed it. Back in January 2017 when I first read the article I was so excited to try it, I ordered a bunch of parts, downloaded the Git, and then figured out it didn’t work. Not to worry though. A fellow… Continue reading [FIXED!!!] Turn on a lamp with a gesture – Image Processing! Machine learning!
Someone built a site with an Interactive GPIO explorer. It’s just fantastic. Check it out and bookmark it.