Celestron Tripod Fix
I got a great deal on a Celestron telescope just because the tripod was broken. I was going to use a heavy duty tripod I had but the part looked…
Cable Strain Reliefs
My Intel Edison cable holder was nice but too customized to one board A simpler way to provide strain relief on delicate connections is to use cable ties and mounting…
Heater Upgrade for a SeeMeCNC
Duk’s asked me if I could take a look at a slow heating 3D Printer that never gets up to a usable temperature. Turns out one of the two heater…
How Not to Break an Intel Edison
I really like the full size through hole USB B connectors. Too bad so many development boards use mini or micro surface mount connectors. I’ve started mounting all my development…
Repairing a Camera Mount
I had a camera ceiling mount snap from being over tightened. I tried epoxy but that didn’t work….. I had used a thread library before to make pipe fittings so…
Building an Automotive Power Brake Bleeder
I love working on old cars but some of the tools are too expensive for what they are made of…. I saw a few articles on how to make pressure…
Download Visual Studio and Azure IoT
Microsoft has provided the following download links for Visual Studio & Azure IoT Visual Studio Code: http://bit.ly/VSCODERK Visual Studio Community: http://bit.ly/VSCOMMRK Azure: http://bit.ly/AZURERK Please try it out and share with…
A Muffler Story
Just when you think you have a free minute and might get to work on something your cars muffler decides to make some noise….. Normally I wouldn’t rush but my…
Christmas Gift Ideas
Since my sister and brother in law both play guitar now I thought I’d made a Pic Tray for their coffee table in the shape of an electric guitar. I’m…
CNC Engraving Aluminum
Ok, So it’s not aluminum but it will be when I find the right size plate…. For now I know the NC file is good and it scans from 2…
Reflow Oven Controller
I keep seeing reflow oven projects using toaster or convection ovens. One even called itself YARO (Yet Another Relfow Oven). I like the idea and wanted one. I remember seeing…
CNC Temperature Gauges
After all that work on the Heat Sinks I wanted a way to monitor the temperature of each axis motor and the spindle itself. I found these in my PC…
CNC Motor Heatsinks
I noticed the motors on the CNC were getting a bit warm after a few hours. Not too bad but uncomfortable to touch for more than a few seconds…. I…
CNC Engraving Plexiglass
I wanted to try an edge lighted plexiglass sign. The easiest way to make sure you have a level bed and a straight edge to align your work is to…
CNC Engraving some kitchen floor scraps
I’ve been making trivets and wall plaques for a while. I’m almost done with my BIG machine for engraving large signs and 4×4 or 6×8 posts. I took a break…
MediaTek LinkIt ONE development platform
I was pleasantly surprised today when Fedex delivered a small package from Instructables. Inside was a MediaTek LinkIt ONE development board. This is an impressive board. Wifi Bluetooth, GSM, GPS,…
Quickie Garmin Ball Mount
I finally broke down an got my own Nuvi so I don’t have to keep borrowing my wife’s. Since it’s mine I figured why not mount it permanently in my…
CNC Pendant Code Test
I Finally got around to testing the code. I wired up a matrix keypad to a Leonardo. I used this cheat sheet of Mach3 keyboard shortcuts. I mapped the X…
MIT App Inventor in QST Amateur Radio Magazine
I just got the latest issue of QST Magazine and saw an article on making Amateur Radio Android App using the App Inventor. This seems to be turning up everywhere…
USB Coin Drop Mech for Ardiuno
I pulled this coin mech from an Asteroids cabinet I converted to Mame. it looks daunting with all these wires but its really simple. Most of that wiring is lighting…
Various Gauge Demos in AI2 App inventor
One of the first things I tried with the canvas element was a simple single needle thermometer. Next an old fashioned tube type thermometer. Then some simple side view gauges.…
Android Arduino Room Thermometer
Here’s the matching student demo for the MIT App Inventor Oven thermometer I made. This way students can test the thermometer simple by touching the sensor You’ll need some flavor…
Android Arduino Oven Thermometer
Here’s the demo for the MIT App Inventor Oven thermometer I made. You’ll need some flavor of Adruino, a Bluetooth SPP module, a max6675 thermocouple amplifier and a thermocouple to…
Heavy Duty BalUn or UnUn
First day of vacation and I wanted to tune up my Kenwood Ham Radio. Its a great working hybrid transceiver. It has 3 Vacuum Tubes. The driver and a matched…
Android OBDII Tool
After playing with AI2 for a couple of days and making simple apps to test different features I wanted to try to make a useful tool. I decided on an…