St. Cloud, Twin Cities and rural Minnesota's one stop shop for electronic device repair (phone repair, tablet repair, laptop repair, tv repair, etc), Tech support and IT consulting for small/medium business. Maker/Hacker space friendly offering a number of arduino and raspi components in stock.
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Shark Apex Vacuum Repair
A few months into owning what's otherwise been the best vacuum I've ever had, I noticed it would stop sucking/turn off. Slapping the case seemed to fix it. I thought I might have got a lemon of a motor. Turns out the fix was simple. One of the wires had come me off the motor.
Here's the vacuum repair in pictures. The hardest part was getting it back together.
Well that's not right!
Makeshift bench to the rescue.
Crip is probably the way the go(connections that experience vibration are generally recommended to be made with crimps as they're less britel). But as it was a crimp connection that had failed, I went solder and heat shrink tube. Plus solder and heat shrink tube is what I had on hand
One thing I've learned over the years is, no matter how much you think you fixed it, test it before you fully reassemble it.
Do you have a lawn tractor you use to plow snow? Ever wondered if you could make a manual snow plow attachment into a push button? A friend of mine had a riding lawn mower and snow plow blade attachment. Every winter he used the riding lawn mower to plow the driveway. The plow was a kit that bolted on the front of the lawn tractor and it had a mechanicaly actuated adjustable snow plow blade. The issue and this project came about when the arm to adjust the snow plow blade broke. I had just bought a mig welder. I had also watched linear actuators capable of handling 300lbs of force drop to $25 on ebay. Here's what I came up with for converting a riding lawn mower snow plow into an electricity adjusted lawn tractor plow. Repair The lawn tractor snow plow kit had seen better days. The fork that attaches it had bent /deflected and spread. I used a map gas torch and a bench vise to squeeze the tongs back and then welded some L channel angle iron on the sides. Less Play I also tack weld
In this multi part series on diy circuit board manufacturing/fabrication I'm going to cover my diy, vacuum pull down UV LED exposure box. If you are looking for a description of the entire fab process click here UV Exposure Rig The photos bellow are of the uv lithography exposure box I cobbled together. It also features vacuum pull down. The source: A 4.1w High luminous efficiency 365nm UV LED. Sourced from digi key mid 2016. Model LZ1-00UV00
This post is for anyone interested in owning or building a CD welder. I wanted a reliable Resistive spot welder for lithium ion pack construction and or repair. I didn't want to spend 3k or buy from china. I decided to design and fabricate my own. Bellow is my first crack at a Mosfet Switched capacitive discharge mcu controlled spot welder. This post is a work in progress. If you've stumbled across in hoping to build your own cd welder feel free to ask questions in the comments section. I'll provide any help I can. My CD Spot Welder Here's pics of the first working version from 2018