Category Archive Fabrication

ByJohn Wuethrich

LED Back Light

Before my venture into PCB Etching I needed to replace a failing el panel on someones caller ID. I had read on sites like hackaday about using san blasted plexi as a light defuser. I still needed a led strip. This is what I came up with. The back /sub strait is perf board. Conductive silver epoxy was used inbetween the leds. I had bypassed the flyback driver on the old caller id and still managed to connect it in a fashion it functioned as the el panel and lit on button press.

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ByJohn Wuethrich

Car Key Transponder/RFID/Chip Key fried by Inverter Welder?

I’m relatively sure that I managed to fry a car key transponder (RFID tag) with a wirefeed welder.

A friend of mine was welding with his  harborfreight titanium 125 about 3ft from where my car keys sat and the next day I ended up stranded at a kwik trip station.  my ford fusion 2007 was rejecting the only key I had at the time.

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ByJohn Wuethrich

Uv Lithography Exposure Box

This is the vacuum pull down uv lithography rig i came up with a few years ago when I desired to etch PCBs of my own design. The Emitter is best shown in the “wood lamp” it later became (see yellow lantern)

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ByJohn Wuethrich

Kohler Tractor gets Re-Engineered Motorized Snow Plow Blade

Semi How To Guide for Motorizing a lift/lower on a 48in Snow Blade

Lawn Tractor Snow Plow Blade upgraded to raise and lower by motor

The lawn tractor plow repair and lift lower motorization is complete (for now). At some point I might make a proper howto and or motorize blade right left. Some searching helped me find the type of plow I was working on. Though Im about to link it by brand I would bet its actually a generic white label companies slap their name on. The color on this old one is wrong, everything else is/was identical. 

Heres the plow kit at lows:

https://www.lowes.com/pd/Husqvarna-48-in-Residential-Snow-Blade/50430028

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ByJohn Wuethrich

Lawn Tractor Update: Linear Actuator Wired

the lawn tractor linear actuator controlled snow plow is coming along .

A dual pole dual throw switch utilized to connect or reverse connect the lawn tractors battery to the linear actuator and drive it up or down respectively. 

I still need to properly attach the piston to the arm. 

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ByJohn Wuethrich

Lawn Tractor Snowplow repair & upgrade

Lawn Tractor Snowplow repair & upgrade 7

I needed a space to use my welder. Im mainly in need of a new electronics work bench and server rack. Last year i picked up a Northern Tool Klutch 140si on clearance for a hella deal. I found a guy with a pole barn who also needed some help with his lawn tractor plow on its last legs so for that and improving the workbench in barn scenario I should get to produce the bench I need for my shop later and what ever else inbetween. 

heres the story of the lawn tractor/snow plow upgrade and revamp:

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