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#Inktober 2019 Project – Post 2
Reverse Engineering the Atari 1020 The field service manual is quite helpful, but the pin numbers of the connectors are not labeled and there are no part number. Between the manual and some...
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Polar Coaster Version 2
I recently decided to update the Polar Coaster project. The primary reason was to update the controller to use Grbl_ESP32 firmware. I also thought I could make it smaller, lighter and remove a little...
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NickelBot – Complete
The NickelBot is complete and it works great. The goal of the project was to create an easily portable machine that creates low cost items that could be given away at events like Maker Faires. I think...
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Wooden Nickel Engraver Update
I got a chance to do some work into this project and I made some progress. The X,Y mechanism is a free standing H-Bot. Here is a bottom view. You can see the Y home switch and the bottom of the servo...
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TWANG Shield Rev. 2
I recently ran out of the original TWANG shields. I took the opportunity to make a few changes. Audio Jack The internal speaker is powered by the Arduino I/O pins. This limits it to the low voltage...
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TWANG32 – An ESP32 Port of TWANG
I ported the TWANG game over to ESP32. I wanted to do this for several reasons. Cost: The ESP32 is generally lower cost than the Arduino Mega Speed: The ESP32 has a dual core 80MHz processor vs. the...
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Building a TWANG
Introduction First…. Most of the credit must go to Robin Baumgarten and Critters for the inspiration and firmware. While I have hacked and tweaked the firmware a lot, the basic design is still all...
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TWANG Play Testing
I took my TWANG Clone to ORD Camp, NERP and the Hardware Happy Hour Meetup over the past week. It got a ton of play time. I received a lot of feedback to work on. Observations and Feedback. It’s...
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TWANG Shield
While the my TWANG clone has been running great, I wanted to clean up the wiring, so I made a shield to plug into the Arduino. I previously used header connectors plugging into the Arduino. The...
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TWANG!
I have been a Patron of Robin Baumgarten for a while. He makes experimental hardware for games. His Line Wobbler one dimensional dungeon crawler is my favorite and I have always wanted to play it. It...
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Coasty Version 1.2
Here are some updates to Coasty – The Coaster Toaster, the tiny laser cutter specifically designed to cut drink coasters. New Traction Roller I made the traction roller diameter a lot smaller and...
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The Polar Coaster – A Drink Coaster Drawing Machine
I designed this machine to draw custom, round drink coasters. I already have a laser cutter for square coasters and I wanted to try something unique for round coaster. The Base The base of the machine...
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Polar Pen Machine Kinematics
When you have a round work piece like a drink coaster, it makes sense to have a round work area. A round work area works best with a polar coordinate system. A polar coordinate system uses an angle...
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Line-us Clone Controlled by Easel and Grbl
Last week I made a Line-us drawing robot clone. Unfortunately I had no good way to make it draw easily. I thought I would give the CNC toolpath a shot. My goal is to have a super portable thing to...
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Hobby/RC Servo Control in PSoC
The PSoC family is my go to line of processors for prototyping. It is like having a breadboard full of digital and analog circuits that you can wire up on the fly. I have been doing some stuff with...
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PSoC 5 Port Of the Grbl 1.1 CNC Controller
Image from Cypress Grbl Grbl is a high performance CNC controller. It is used on a lot of small scale CNC machines and is the motion control code behind a lot of 3D printers. It was originally...
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A Line-us Clone
I have been going to the monthly Amp Hour, Hardware Happy Hour meetup. A lot of people bring something to show. My projects are too big. Also, you need to bring your own power. The meetup standard...
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The Bipolar ORD Bot
It’s ORD Camp time again this weekend. Every year I have done a gonzo build of some type of CNC machine. This year I only had a few hours to spare, so I wanted something simple. These are never...
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Skate-oko-asaurus: The self replicating skateboard
We build a lot of skateboards for fun at Inventables. Some of the guys even sell them at local craft fairs. They thought it would be cool to have a CNC router optimized for skateboards that was...
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grAMPS 1.0 Stepper Motor Shield
The newest version of the CNC controller software, grbl (0.9g at this post) has a lot of cool new features, but the two that caught my attention were the ability to compile and upload from the Arduino...
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