Battery Tab Welder
A long time ago I built a can crusher capacitor bank. I wanted to build an other one but scale it down for battery tab welding. Then I saw thes…
Simple fix for a Jazzy
My old Jazzy suddenly quit with a controller error (8 Flashes). So I did the basic checks for continuity and isolation on the motors, brakes and chassis. All good there.…
OpenHasp Backlight mod for 7″ Waveshare Display
I read somewhere that the default backlight control pin is IO02 but thats not right. Someone else said that IO02 is either not supported in Openhasp or that it does…
FTDI Based Programmer Box
I have used bare ftdi boards to program chips for a while but every now and then i end up shorting the bottom against something. I decided to make this…
Tube Notcher Templates
While watching South Main Auto, my favorite youtube channel, I saw a Eric O use a windows program called tubemiter to produce a printed template for notching a tube. I…
Analog Discovery 2 Breakout Box
I had made a similar Breakout for my Picoscope but with the AD2 I can use it power supply output and not have to add a battery inside. The nice…
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…
New Life for a DX-60 Amateur Transmitter
I picked up this nice condition Ham transmitter last weekend. It should go nicely with my Heathkit receiver.. I’m amazed at its condition. Except for the yellowed meter face it’s…
Upgrade to an old Cantenna Dummy Load
A few years go I made a Cantenna Dummy load. I filled it with mineral oil left over from some woodworking projects and it;s worked great for a long time.…
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…
Temperature Sensor for the CO2 Laser Cutter
More K40 Mods.....
A Display Panel for my CO2 Laser
A Display Panel for a K40 CO2 Laser
Secondary power supply for the K40
I’ve added so many features to my laser and they’re all powered by a salvaged PC power supply. Even have 5V & 12V jacks on the back to run the…
Loose Power Plugs on my K40 plus Lights & Air Assist Nozzle
I noticed the manufacturer tried to hot glue the mains jacks in place. Really shoddy. So I 3D printed a locking frame… Since I only needed one power outlet I…
More CO2 Laser Water Pump Features
So far the new water pump has been working great. I decided to add a water level cutoff switch. I used a two step switch so I would get a…
Mini Arcade Consoles
My son and I decided to update the Cigar Box Controller using some boxes from harbor freight. First thing was the artwork. Not my job… Probably why it came out…
CO2 Laser Crosshairs
I do most of my engraving using a center origin. Its so easy to line up on a cnc machine with a nice pointy bit. Not so easy on the…
3D Printing a Cover for a Broken Honda Fuel Pump
I cant believe how ofter I 3D print a part. Every couple of days I make some small part. Sometimes its a cone shaped washer for a switch or a…
Intelligent CO2 Laser Cutter Water Supply
I really didn’t like using a fountain pump for a laser water supply. I’ve had too many fail in water fountains to trust one to a CO2 laser. I had…
Tiny Air Compressors too
As long as I was evaluating all the air compressors I had around I figured I’d try some tests on these tiny ones.. I think most are from automatic blood…
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…
Simple Air Flow Meter
I needed a simple air flow meter for a project so I went out to the garage and grabbed a MAF that was pulled from a Hyundai. I used a…
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…