DDS VFO for the DX-60a
I got this CB VFO at a hamfest for $2. Perfect case for a DDS VFO.. First thing was to gut it and save all the bits, especially the gear…
Arduino
Nerf Chronograph
I saw this on instructables and had to try it… Luckily there are plenty of Nerf guns in this house…. I had a sensor amplifier board on the bench from…
Performance Testing Air Compressors
I want to add a small compressor to my truck to keep the rear level. It has air shocks but no automatic control. If I can find a decent priced…
MicroBit Brained Robots
I made a few Microbit Robots for the local library coding class. This one was printed from scratch. These two used commercial chassis. They all use a homemade dual motor…
Upgrading a K40 for Engraving
I decided to swap my K40 controller for a GERBIL from awesome.tech. I considered the Cohesion 3D too. I’ve been using GRBL CNC controller with a few custom tweaks to…
LS2 Coils for my Tractor
I’ve been working on my tractor. Still have to replace a hydraulic hose and one axle seal but It drives around fine… I am still going to convert it to…
High Powered Servo
My robots are getting larger and the standard hobby servos just don’t cut it any more. I got a bunch of car window motors & wiper motors and decided to…
Cigar Box Game Controllers
My local library had a bunch of Cigar Boxes left over from a crafternoon. I had this idea for the next gamer night. Make some USB joysticks…. I used some…
Pumpkin Eyes for next Halloween
I always have decorations out for Halloween. This year I want to try using the Adafruit animated eyes code. I had a bunch of the displays already so I threw…
Atmel VUSB library Testing
One of the nice things about the VUSB library is you can use cheap $2 chips for USB projects. I’ve used the PIC Microchips for years but now I’ve started…
Marionettes Anyone?
I really have to try this with the young ones at the library. Just cant decide if I should use an Arduino, Raspberry Pi, or Microbit….
Racing OutGauge to Real Dashboard – Update 2
That worked well so I got this R1 Motorcycle dash on Letgo and made a similar setup that should go nice with a logitech wheel…. Some Arcade pedals since the…
Arcade Cabinet Joystick Controller
I made a few Atmega8 VUSB controllers and they work great. All digital for these. Still have to paint and skin the cabinets but I’d rather play…. So where to…
VUSB Proto Board
I’ve been building USB Joystick controllers for the teen group at the local library. Last time I made Midi controllers and they loved it. Especially using Garageband to play with…
More Speeduino Work
Time to start cleaning out the garage and see whats available for next summers project… It’s going to be Fuel Injected by a Speeduino… Lets see whats there… A Crossram…
Building a Joystick Adapter
We’ve been talking about building some custom arcade controllers. I had a bunch of buttons and jovsticks left over after my Mame cabinet build. Time to start on a layout.…
Wearable Midi Parts Arrived
I got these in the mail last week. My friend John is coming by tomorrow. Hopefully we will pick up on the midi controller we were working on last time.…
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…
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…
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…
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,…
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…
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…