AI2 – the MIT App Inventor for Android
Last week my bus broke down on the highway. I took the time to check out whats new on instructables and I found a stereo remote control app made with…
ArduBlock – an Arduino Puzzle like Code Builder.
Another of the Scratch like interfaces. Might be another good candidate for the GRC or St. John’s Summer code school…. When you hit upload it makes a sketch in the…
Lithium Battery Holder
I have a bunch of things that use 18650 Lithium cells. Most have their own chargers but I wanted a way to use my iMax RC charger with these cells…
Arduino Based RC Thrust Dyno
It’s getting nice out and it’s time to start thinking about playing outside again. I have a few RC Airplanes. Some older ones like a nitro powered sig cadet or…
Meter Face Design Software
I picked up some nice meters and even though I don’t do much with analog I can still use these with Arduino’s and PWM. I needed an easy way to…
OBDII Breakout Board
Sometimes I need to work on a car’s PCM but dont want to go out to the garage. I made a little breakout board so I can run it on…
PT Surplus Kingston – Rhinebeck Car Show Trip
We had really great weather for our trip to P&T Surplus in Kingston and then to the Rhinebeck Car show Here’s a small sampling of what I found. More great…
74HC595 Shift Register Arduino Display
I got this display by mistake. I was buying a bunch of the MAX7219 displays and mistakenly added this one to the cart too. MAX7219 have internal multiplexing these 74HC595…
Sous Vide Update
I found an old satellite modem on the shelf in the garage. It had a nice sized display and 4 buttons so it seemed like a good box to use…
CNC Pendant
I wanted to make a small jogging pendant for my CNC machine. I saw these at the local Radio Shack closing sale. Simple matrix layout. Comes with a printable face.…
Generic LCD Bezel
I like to use salvaged LCD displays in my projects. to make them look good and easy to mount I 3D print a bezel. this covers up any irregularities in…
Generic PC Board Coaster
Not every prototype needs a case but sometimes its nice to have some protection for the bottom of the board. I usually just use a scrap of wood. Leftover laminate…
Simple Plating or Etching Power Supply
I threw together this simple power supply for electroplating, anodizing, or etching metal. There’s really not much to it so I used a cheapie electrical box from Home Depot A…
Component Tester
I picked up this little component tester off eBay for $15. Its a quick way to test parts as I assemble boards. I found a coaster for it on the…
Speeduino Update
I collected a few more parts for the speeduino setup like a skidoo trigger wheel and magnetic pickup. I also printed a small bezel to cover the display and configured…
Great Electronics Shopping Sites
Some of my favorite online electronics shopping sites. Tayda Electronics http://www.taydaelectronics.com/ check Tayda’s facebook page too there’s usually a 15%off discount coupon. https://www.facebook.com/TaydaElectronics BG Micro http://www.bgmicro.com/ New York Platform http://www.nyplatform.com/…
3D Coil Forms for Ham Radio
It used to be so easy to go to Canal street and buy radio parts. Now even simple things like open air coils are hard to find. I wanted to…
Canal Street is gone but there’s PT Surplus.
All the radio shops along Canal are long gone but up in Kingston is a little gem called P&T Surplus. They have a high turnover rate so don’t expect the…
Speeduino
I had been following DYIEFI and Al Grippo and Bruce Bowling for a LONG time. All their contributions to DIY Fuel Injection systems. I never really had the desire to…
3D Printed Cases
I have a whole drawful of 3D printed parts. many are protective cases for small boards like load cell amplifiers or thumb sticks A simple 45 degree angled case for…
Initial Printrbot setup
I just un-boxed this PrintrBot Metal. It comes fully assembled but still needs fine tuning. They have a base config in their knowledge-base you can load in Cura to start…
CNC Jack Feet
There are some decent small CNC machines out there but they all come with these cheap CNC Jacks guaranteed to destroy the bed the first time you use them. Those…
Animatronics Anyone?
I like using Bimba air cylinders for all kinds of projects. I saw there is sintered bronze filament available for the 3D printers so I printed up a couple of…
Sous Vide
My Brother-in-law is a professional chef and he was researching a lot about Molecular Gastronomy. One night after dinner he was telling me about some of the techniques. I had…
Drilled that hole too big?
I was building a controller and needed to drill a hole for a receptacle but the only hole saw I has was a littler bigger than needed. A quick bushing…