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Chris Kolhoff’s Work Log
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4/13/25 3/29/25 3/29/25 3/22/25 3/16/25 3/9/25 3/3/25 2/16/25 2/4/25 1/26/25 1/23/25 1/15/25 Update Good news everyone, I am still on BREAD for my Capstone project. Most of my life this semester will be working on optimizing the BREAD BUTTER website used in the BiOS reactor. 9/29/24 Update 9/21/24 Update 9/13/24
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Open Mobility Semester Report: Fall 2024
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Our Fall 2024 Report has been completed! The downloadable PDF is below.
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Lasersaur Spring 2024 report
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Lasersaur Prepared by: Chase East, Ike Alafita Main Product Image Project Description The Lasersaur is an open-source laser cutter that was first available for kit purchase in late 2010. The Lasersaur is capable of cutting patterns in many different bio-materials and some non-organic compounds as well. The machine incorporates a SmoothieBoard as it’s central control…
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Augmented Reality Glasses: Spring 2024 Report
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Prepared By: Stephen Metcalfe, Luc Prisby, and Luke JanitchSpring 2024 1. Main Product Image 2. Project Description The goal of the project is to create wearable technology that can display real-time subtitles from the environment to the user. This project may be useful for people who are deaf or hard of hearing. Furthermore, when used…
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Electric Viola Report – Spring 2024
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1. Main Product Image [Figure 1. Viola body and frame] 2. Project Description This past semester, our team, Electric Viola, has been developing an open-source, 3-D printed electric viola equipped with a tuner and metronome. Our project has focused on creating a budget-friendly, open-source design to significantly reduce the cost associated with traditional string instruments…
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Hibernacula Manipulation: Final Capstone Report
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Prepared By: Thomas Kinjorski, Mitchell Krueger, Alex Riebe and Ben Steinbach Spring 2024
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ReStruder Spring 2024 Final Report
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End of semester report for the Fall 2024 semester including the details of the project from an overview down to assembly instructions and a bill of materials.
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SHARK Laser Tag Report
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Prepared by: Cory Muehlmeier, Ben Boelens, and Evan Jablinskey 1. Main Product Image 2. Project Description In the past semester, SHARK Laser Tag has been working on trying to implement the Ideas that we thought of last semester. This was to improve the first and second versions of the shell, start testing the software, and…
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RecycleBot Project Report – Spring 2024
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prepared by: Xavier Haupt, Konnor Kuppernus, James Lovell, William Forney Figure 1. Image of RecycleBot 4/25/24 Quick Links Project Description Writing RecycleBot is a project aimed at helping smaller scale 3D printer users to cut down on costs and waste material. In melting down old 3D printer filament and mixing in a percentage of new…
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ATX Power Supply Project Report – Spring 2024
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Figure 1: Pictures of Alpha Prototype PCBs Figure 1: Generic PFC Topology Figure 2: PFC Schematic Design With Real Components Figure 3: EMI Schematic Design With Real Components Figure 4: Final PFC and EMI Schematic Design Figure 5: Final PFC and EMI PCB Design Figure 6: Generic LLC Topology Figure 7: LLC Schematic with some…
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BREAD BUNS – Spring 2024 Report
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Nic Cywinski(CpE-Senior), Adam Sandahl(CpE-Junior), Nick Sandahl(CpE-Junior) ______________________________________________________________________________________________ 1.Project Description Project Mission The purpose of this project is to expand the Broadly Reconfigurable and Expandable Automation Device(BREAD) framework. The Barcode Utilization for Navigating Stock (BUNS) is our new “Slice” to the BREAD framework. The device will communicate and store data on barcodes scanned by a remote…
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KeWee Energy Meters Spring 2024 Report
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KeWee Energy Meters is back and better than ever! This semester has been largely devoted to a reworking of both our sensing method and our choice of Arduino, with the launch of the new Arduino Nano ESP32 last fall that is much better suited to our project. Below is our final report for the Spring…
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BREAD DAQ – Spring 2024
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Description BREAD or Broadly Reconfigurable and Expandable Automation Device is an open-source platform that can be configured and used for various applications by creating or combing slices. Each slice has been designed with a specific purpose in mind and new slices can be designed following the BREAD standards to expand capabilities and functionality of the…
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Growbot – Spring 2024 Update
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Growbot – Open Source Hardware Enterprise – April 22, 2024 Eric Engebos (eaengebo@mtu.edu) Nasi Koukios (adkoukio@mtu.edu) Nick Kasi (srkasi@mtu.edu) Hakeem Culberson (hiculber@mtu.edu) 1. Main Product Image Figure 1: Grow-Bot 2. Project Description The Growbot is a project created for the Open Source Hardware Enterprise at Michigan Technological University sponsored by General Motors. This team is…
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ChocoFab Project Report – Spring 2024
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The Open Source Hardware Enterprise’s Chocolate bar Fabricator Report made by: Seth Carpenter, Liam Kane, Dylan Bryant, and Alex Olsen Figure 1: Main Product Image Description The Chocolate Bar Fabrication Assembly, or ChocoFab, is a powered chocolate bar processor that takes pure chocolate substances, melts it through a heated tank, and extrudes a predetermined amount…
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Tesla Coil
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Open Source Open Platform Tesla Coil Fall 2023 Joel Diccion – Electrical Engineering Nathan Fisher – Electrical Engineering Tom Powell – Electrical Engineering Dr. Shane Oberloier – Enterprise Advisor Michigan Technological University Open Source Hardware Enterprise Houghton, MI 49931 Table of Contents Appendix A. Links I. Previous Year Summary This is the first semester of…
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SHARK Laser tag Fall Semester Report
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Intro Our project was to bring more arsenal options to the local laser tag venue. This was going to be based off of the MILES Tag 2 protocol which can be found online in which it gives instructions on how one can recreate a blaster. However due to the design being a few years old…
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Restruder – Fall 2023 Update
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Background The objective of our project is to design a 3D printer extrusion system to measure recycled filament diameter and automatically adjust feed rate to maintain consistent volumetric flow rate while printing. Nearly 20% of extruded filament in fused deposition modeling (FDM) 3D printing becomes waste; the Restruder project will allow the filament to be…
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Localized Lyme Disease Fighting
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Background In recent years, the number of reported Lyme disease cases in the Upper Peninsula of Michigan has increased [1]. The project Localized Lyme Disease Fighting was created with the aim of curbing this rise. Through partnership with Dr. Kristin Brzeski and Dr. Jared Wolfe of Michigan Technological University’s Forestry Department, the Tick Repellant Administration…
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ChocoFab Project Report – Fall 2023
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Prepared by: Adam Sandahl, William Schober, Seth Carpenter, Liam Kane, Chase East About our Project: The Chocolate Bar Fabrication Assembly, or ChocoFab, is a powered chocolate bar processor that takes pure chocolate substances and melts it through a heated tank for extrusion into custom made molds that can be made to user design. The purpose of this project is…
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ATX Power Supply – Fall 2023 Semester Report
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Background The goal of this project is to create an Open-Source 600W computer power supply that meets commercial power supply standards. In our initial research for this project, we were unable to find any open-source computer power supplies or even similar higher-current power supplies. Our power supply will be relatively easy to build, and our…
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Hibernacula Manipulation
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Prepared by: Thomas Kinjorski, Mitchell Krueger, Alex Riebe and Ben Steinbach Background and Vision: The MTU College of Forest Resources and Environmental Science (CFRES) in partnership with the Michigan DNR are developing an experiment focused on mitigating the deleterious effects of white-nose syndrome on bats in abandoned mine hibernacula. Specifically, CFRES and DNR aim to…
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BREAD MOLD – Fall 2023 Report
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Nic Cywinski, Nick Sandahl DESCRIPTION and BACKGROUND The purpose of this project is to expand the Broadly Reconfigurable and Expandable Automation Device(BREAD) framework. The Mass Output and Logging Device(MOLD) is our new addition to the BREAD framework that will communicate the mass of an object to the user, Loaf, and other devices for deployability in…
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GrowBot – Fall 2023 Update
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Growbot Fall 2023 Update Open Source Hardware Enterprise December 10, 2023 Eric Engebos (eaengebo@mtu.edu) – Nasi Koukios (adkoukio@mtu.edu) – Nick Kasi (srkasi@mtu.edu) Background and Vision This is a project created for the Open Source Hardware Enterprise at Michigan Technological University. A small team of students works on the planning and development of a water resistant…
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Bird Attractant and Deterrent 2023 Report
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Project Description and Incentive OSF: https://osf.io/dj6gz/wiki/home/ All code and design files located on OSF repository The Bird Attractant and Deterrent device (BAD) aims to guide birds away from cities as they migrate south for the winter. Building collisions are the second leading cause of bird death, resulting in the death of over a billion birds…
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KeWee Energy Meters Fall 2023 Update
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This Semester’s Team: Evan Grahs, Justin Rish, Sierra Derusha, Liam Cacioppo. This update provides insight into our progress in the Fall Semester of 2023, with extensive development in miniaturizing our meter…
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Recyclebot Fall – 2023 Report
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The Team: William Forney, Konnor Kuppernus, and Xavier Haupt General Description: Recyclebot is a project designed to take filament pellets or old 3D printed parts and turn them into usable filament. We started off this semester focusing on ways to make Recyclebot more consistent by improving the hardware, introducing new processes, and refining the code.…
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BREAD Vision Fall 2023 Report
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“BREAD Vision” utilizes vision software in conjunction with a BREAD system to judge physical characteristics and analyze the material characteristics of an object, and then return a pass or fail. The device is designed to be an open-source, affordable option for quality control applications. To accomplish this goal, seven functional requirements were created to be…
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Flex Automation HMI for Industrial Applications – 2023 Report
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Project Summary: Our project utilizes easily accessible materials to create a HMI (Human Machine Interface) screen that can interface with ABB Robots. Our screen is planned to communicate with the robot, display important information, perform movement tasks, and otherwise do similar operations to a regular HMI screen at a fraction of the cost. The HMI…
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GrowBot Spring 2023 Update
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Stephen Metcalfe Adam Sandahl Nick Sandahl Liam Cacioppo Derek Gottwalt GrowBot is a proposed device that will be able to assist consumers with creating and maintaining small-scale gardens. The long-term goals of this project are for GrowBot to be able to plant, water, provide health updates, and harvest plants. The reason we chose this project…
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Recyclebot Spring 2023 Update
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The Team Leif Christensen, William Forney, Ben Keppers, and William Schober About the Project The Recyclebot is a 3D printing filament extruder device capable of converting plastic to 3-D printing filament. The purpose of this project is to help reduce plastic waste by using recycled plastic to create 3D printer filament. The overarching goal of…
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Immersion Circulator Update 2023
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Current Engineers: Lily Hubbard and Sierra Derusha Previous Engineers: Ben Steinbach Immersion Circulators (most commonly known as a “Sous Vide Cooker”) are specialized devices that are used to heat water to a specific temperature and maintain that temperature for extended periods of time. Objective: The primary goal of the Immersion Circulator Project is to provide…
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BREAD Vision
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“BREAD Vision” utilizes vision software in conjunction with a BREAD system to judge physical characteristics and analyze the material characteristics of an object, and then return a pass or fail. The device is designed to be an open-source, affordable option for quality control applications. To accomplish this goal, seven functional requirements were created to be…
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KeWee Energy Meters Spring 2023 Update
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This Semester’s Team: Evan Grahs, Bill Matt, and Justin Rish. This update provides insight into our progress in the Spring Semester of 2023, with exciting new hardware and extensive Arduino developments…
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BREAD BLDC
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Prepared by Ben Steinbach and Alex Riebe DESCRIPTION AND BACKGROUND This project focuses on designing a Broadly Reconfigurable and Expandable Automation Device (BREAD) to function as a Field Oriented Control (FOC) BLDC motor controller. BREAD is an open-source project that centers around component ‘slices’ and how they interact with the main ‘loaf’. The loaf can…
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Open Source Ornithological Recording Device
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Brandon Finley, Anders Smitterberg, Suhayb Zeqlam https://osf.io/dj6gz/wiki/Links%20and%20Resources/ Project Description and Incentive The Bird Attractant and Deterrent device (BAD) aims to guide birds away from cities as they migrate south for the winter. Building collisions are the second leading cause of bird death, resulting in the death of over a billion birds a year. The BAD…
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Off Grid BREAD Spring 2023
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Introduction The Broadly Reconfigurable and Expandable Automation Device (BREAD) is a modular data acquisition system that aims to be more affordable than other open source alternatives. This device consists of a backplane—referred to as a “loaf”—and various smaller PCBs—referred to as “slices”—that interface with the loaf. The Open Science Framework (OSF) repository for the original…
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Restruder
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Open source hardware project: Restruder Written by: Renuka Kulkarni and TJ Harikkala Spring-2023 Introduction Redesigning the 3D printer extruder to detect the diameter of the filament as it’s fed in andautomatically adjust the feed rate, where the filament is made by recyclebot. Description and Background The objective of our project is to design a 3D…
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Mystery Money Puzzle Kit
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Authors: Lily Atton-Doornbos, Ben Boelens, Mitchel Krueger Spring 2023 About our project: Mystery Money is a new project as of this semester with the open ended goal of creating some money for the enterprise. As a team we decided on the idea to sell digital logic based puzzle kits, with our main demographic being students,…
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Open Source Camera Quadcopter
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Open Source Open Platform Quadcopter Spring 2022-Fall 2022 Timothy Sucarski – Mechanical Engineering Technologies Nathan Fisher – Electrical Engineering Dr. Shane Oberloier – Enterprise Advisor Michigan Technological University Open Source Hardware Enterprise Houghton, MI 49931 Table of Contents I. Previous Year Summary II. Acknowledgements III. Introduction IV. Objectives and Constraints A. Objectives B. Constraints V.…
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Lasersaur – Spring 2023
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Written by Joey Klapkowski and Lindsey Manhart Overview The Lasersaur is an open source CNC laser cutter. This laser cutter has been inoperable for a long time, and the goal of this project is to make it safe and ready to use. The work done this semester was primarily focused on ensuring that the laser…
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Dexter Robotic Arm Report – Spring ’23
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Written by Madelyn Brown, Joshua Parkinson, and Ben Grumann Spring 2023 Update Our Project- We took upon the task of bringing the Dexter Robot Arm, that had previously been collecting dust in the back of the lab, back to life. Utilizing the work from the previous semester, we planned to make a few ‘Quality of…
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BREAD Text to Speech – Spring 2023
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The BREAD (Broadly Reconfigurable and Expandable Automation Device) Text To Speech Slice is a BREAD slice that interfaces with a Raspberry Pi. The slice receives text data as input, which is used to produce speech audio. Overview The board consists of a standard BREAD Slice board that: The slice has various potential use cases, particularly in user…
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Open Water Spring 2023 Update
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Link to Previous Post (December 2022) Background and Vision To re-iterate the goal of this project; it is to create an open-source system that automates the chemical balance for residential pools. The final product itself will be relatively low maintenance and non-invasive to the existing filtration and heating system. This will be achieved by keeping…
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Induction Heater – December 2022 Progress Report
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Induction Heater Project Report Fall 2022 Kach Johnson Anders Smitterberg Project Overview The project started after OSHE was approached by the project sponsor. The sponsor informed OSHE of their current project and requirements. The sponsor is in the process of restoring an early 1900s steam shovel. The sponsor informed OSHE that in order to repair…
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Recyclebot
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About our Project: The Recyclebot is a 3D printing filament extruder device capable of converting plastic to 3-D printing filament. The purpose of this project is to help reduce plastic waste by using recycled plastic to create 3D printer filament. Our Goals: Completed Completed Completed Completed Completed Completed Completed Value-Added Goals: Not-Completed In progress –…
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KeWee Energy Meters – December 2022 Report
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About the Project The KeWee Energy Meters project aims to create a series of devices and software for home energy use monitoring. We hope to make affordable sensors and IoT devices that are able to communicate with a central self-hosted web service for storing data. We also seek to design a website for users to…
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Digital Logic Display
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The goal of this project was to serve as both a demonstration and an interesting way to explain how a CPU works to people who don’t have much experience in the field. First, a breakdown of all the components. From top right, moving left, then moving down, we have the clock module. This first breadboard…
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Open Source Open Platform Quadcopter
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Open Source Open Platform Quadcopter Spring 2022-Fall 2022 Joaquin Ganoza – Mechanical Engineering Christopher Hettinger – Computer & Electrical Engineering Dr. Shane Oberloier – Enterprise Advisor Michigan Technological University Open Source Hardware Enterprise Houghton, MI 49931 Table of Contents I. Previous Year Summary II. Acknowledgements III. Introduction IV. Objectives and Constraints A. Objectives B. Constraints…
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Immersion Circulator
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Fall 2022 Project Report Contributors:Lily Hubbard – Computer Engineering Ben Steinbach – Electrical Engineering Update 2023 This project has since been updated and is now complete, go to this link to find the new project!: What Is an Immersion Circulator? Why are they needed? What is an Immersion Circulator? Immersion Circulators are specialized devices that…
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GrowBot
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What is GrowBot? GrowBot is a proposed device that will be able to assist consumers with creating and maintaining small-scale gardens. The long-term goals of this project are for GrowBot to be able to plant, water, provide health updates, and harvest plants. The reason we chose this project is that we wanted to have access…
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3D Printing Automation Project
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Introduction The main overall goal of the 3D Printing Automation team has been to create a process for continuous printing without the need for human intervention. The project was inspired by a request from Michigan Technological University to create hundreds of copies of a husky statue using a 3D printer. Our design was implemented on…
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Off Grid BREAD
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Introduction The purpose of this document is to detail the design and implementation steps in the Off-Grid BREAD project. The main goal of the Off-Grid BREAD project is to allow BREAD systems to be used outside of a conventional lab setting. To do so a rugged enclosure for BREAD, a power generation system, and a…
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BREAD Vision
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“BREAD Vision” utilizes vision software in conjunction with a BREAD system to judge physical characteristics and analyze the material characteristics of an object, and then return a pass or fail. The device is designed to be an open-source, affordable option for quality control applications. To accomplish this goal, seven functional requirements were created to be…
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Lasersaur
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Written by Suhayb Zeqlam Introduction To start, for the full experience please visit the OSF site. There you will find an easier reading experience, as well as files for configs and documentation. The Lasersaur is a CnC open source laser cutter. This is NOT a guide to built the Lasersaur, this is to transfer information from the…
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Open Water
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Background and Problem Statement: Modern water filtration systems used in residential pool applications require the user to balance and maintain the chemical properties of the water within the system. Unmaintained or unbalanced water causes systems to run inefficiently, or, in extreme cases, the water can damage heating and filtration systems. To maintain and balance the…
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Dexter Robotic Arm Report
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Written by Madelyn Brown, Joshua Parkinson, and Ben Grumann Our Project- We took upon the task of bringing the Dexter Robot Arm, that had previously been collecting dust in the back of the lab, back to life. Going into the project we had no idea what we were even working with. There was little to…
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