{"id":186812,"date":"2025-05-05T10:13:33","date_gmt":"2025-05-05T14:13:33","guid":{"rendered":"https:\/\/www.hajim.rochester.edu\/senior-design-day\/?p=186812"},"modified":"2026-05-04T09:45:06","modified_gmt":"2026-05-04T13:45:06","slug":"mouse-hotel","status":"publish","type":"post","link":"https:\/\/www.hajim.rochester.edu\/senior-design-day\/mouse-hotel\/","title":{"rendered":"Mouse Hotel"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"aligncenter is-resized\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXcUbVqy4phjx664SX-4YbIh5tlUDbAd6Kdwou2vKb26enYKSiB22DIZ5kEzI7VDnj6G2YgNKrc_Ybb7MNu40TjEVVGaiRWIld8cc1Y4oZ2T1GOaYBaGrQ5YPbk9c_Ytz_YU2A--?key=iTofy9PInivxhYFxykqHZHEl\" alt=\"\" style=\"width:223px;height:auto\"\/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">Customer<\/h2>\n\n\n\n<p>Dr. Julian P. Meeks &#8211;  <em>Chemosensation and Social Learning Laboratory<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Advisor<\/h2>\n\n\n\n<p>Dr. Michael Giacomelli &#8211; <em>Associate Professor of Biomedical Engineering and Optics<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Project Management<\/h2>\n\n\n\n<p>Dr. Scott Seidman &#8211; <em>Professor of Biomedical Engineering<\/em><\/p>\n\n\n\n<p>Dr. Ben Casta\u00f1dea &#8211; <em>Professor of Biomedical Engineering<\/em><\/p>\n\n\n\n<p>Nick Dente &#8211; <em>CMTI Master&#8217;s Candidate<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Team Members<\/h2>\n\n\n\n<p>Alexa Trzpis &#8211; <em>Biological Signals and Systems<\/em> <\/p>\n\n\n\n<p>Bailey Nicholoff &#8211; <em>Biological Signals and Systems<\/em> <\/p>\n\n\n\n<p>Darrian Hawryluk &#8211; <em>Cell and Tissue Engineering<\/em> <\/p>\n\n\n\n<p>Yeidi Yuja &#8211; <em>Optical Engineering<\/em> <\/p>\n\n\n\n<p>Zihang Yu &#8211; <em>Cell and Tissue Engineering<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\">Project Goals<\/h2>\n\n\n\n<p>The goal of this project is to develop a dynamic mouse housing enclosure to study social interactions between mice who can choose to socialize in an open space or seclude in their own rooms. In typical studies, two or more mice are constrained while a single mouse chooses who it wants to interact with. Our design would give all mice autonomy by allowing them to decide whom they wish to interact with, serving stakeholders like behavioral scientists, wildlife researchers, and pharmaceutical developers.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\">Design<\/h2>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\">Concept<\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2025\/05\/cagedesign-1024x768.jpg\" alt=\"\" class=\"wp-image-208752\" style=\"width:497px;height:auto\" srcset=\"https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2025\/05\/cagedesign-1024x768.jpg 1024w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2025\/05\/cagedesign-300x225.jpg 300w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2025\/05\/cagedesign-768x576.jpg 768w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2025\/05\/cagedesign-1536x1152.jpg 1536w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2025\/05\/cagedesign.jpg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<p>An acrylic box is divided into a lobby and two hallways leading to individual rooms. When a mouse with a radiofrequency identification (RFID) tag approaches a hallway, a nearby reader checks the tag. If it&#8217;s correct and no incorrect tag is detected within 500 ms, the solenoid locks on a flap door unlock, allowing entry. A second identical reader-door system at the end of the hallway prevents other mice from following into the room.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\">Prototyping<\/h2>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"591\" src=\"https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-02-191328-1-1024x591.jpg\" alt=\"\" class=\"wp-image-208972\" srcset=\"https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-02-191328-1-1024x591.jpg 1024w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-02-191328-1-300x173.jpg 300w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-02-191328-1-768x444.jpg 768w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-02-191328-1.jpg 1122w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\"><strong>Figure 1: <\/strong>Photographs of the first physical cage prototyping. a) Full-sized standard rat cage divided in half by wall 1, and room divisions shown by wall 3. This set-up is missing wall 2 to complete the double wall enclosure with electronic components. b) \u2018inside\u2019 view of wall 1, with a solenoid lock on both sides of the door. c) outside view of wall 1 with some dimension annotations.<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"746\" height=\"555\" src=\"https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-02-145239-2.jpg\" alt=\"\" class=\"wp-image-209082\" srcset=\"https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-02-145239-2.jpg 746w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-02-145239-2-300x223.jpg 300w\" sizes=\"auto, (max-width: 746px) 100vw, 746px\" \/><figcaption class=\"wp-element-caption\"><strong>Figure 2: <\/strong>Physical power supply and how it is connected to the Arduino, RFID, and RFID tags.<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"724\" height=\"531\" src=\"https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-02-145101-1.jpg\" alt=\"\" class=\"wp-image-209092\" srcset=\"https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-02-145101-1.jpg 724w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-02-145101-1-300x220.jpg 300w\" sizes=\"auto, (max-width: 724px) 100vw, 724px\" \/><figcaption class=\"wp-element-caption\"> <strong>Figure 3: <\/strong>Simplified setup of electronic components of the device in Figure 2.<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"848\" height=\"534\" src=\"https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-02-145039-1.jpg\" alt=\"\" class=\"wp-image-209102\" srcset=\"https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-02-145039-1.jpg 848w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-02-145039-1-300x189.jpg 300w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2025\/05\/Screenshot-2025-05-02-145039-1-768x484.jpg 768w\" sizes=\"auto, (max-width: 848px) 100vw, 848px\" \/><figcaption class=\"wp-element-caption\"><strong>Figure 4: <\/strong>Device design, depicting 2 individual rooms, a lobby, and the connecting tunnels with RFIDs and locks.<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"320\" height=\"728\" src=\"https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2025\/05\/image-80.png\" alt=\"\" class=\"wp-image-209162\" srcset=\"https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2025\/05\/image-80.png 320w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2025\/05\/image-80-132x300.png 132w\" sizes=\"auto, (max-width: 320px) 100vw, 320px\" \/><figcaption class=\"wp-element-caption\"><strong>Figure 5: <\/strong>Flowchart of the tag identification system and the door locking mechanism.<\/figcaption><\/figure>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\">Results<\/h2>\n\n\n\n<p>From the feedback received during our customer and advisor meetings, the group addressed several changes within the system. We built the acrylic enclosure with minimal gaps and a rectangular design to ensure easy cleaning and lab compliance. Exposed wires were soldered, all 8 solenoids connected to power, and the breadboard was permanently fixed. An internal box houses all the circuitry and tunnels, attached with screws to the larger enclosure for easy removal and modularity. At the moment, we have four functional doors and RFID readers. The system logic allows only one door to open at a time with a valid RFID tag; incorrect tags result in no door unlocking. This was then tested with a toy mouse with a mounted RFID tag. Feedback focused on improving serial port integration, modular reader connections, wire concealment, and cleaning considerations. We have addressed these with clearer logic, a cleaner design, and the potential for future upgrades.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\">Future Directions<\/h2>\n\n\n\n<p>Our current system uses MFRC-552 RFID readers with wearable tags, while the future system will implement Trovan readers with implantable microchips. Planned additions include expanding beyond two rooms to accommodate more mice, adding door automation for convenience, and obtaining UCAR approval for live mouse research. It should also be mentioned that this device serves as a proof of concept for our customer, so that he may present it to UCAR for approval for testing and a higher-quality, custom cage.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Customer Dr. Julian P. Meeks &#8211; Chemosensation and Social Learning Laboratory Advisor Dr. Michael Giacomelli &#8211; Associate Professor of Biomedical Engineering and Optics Project Management Dr. Scott Seidman &#8211; Professor&hellip;<\/p>\n","protected":false},"author":16202,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[4442,56],"tags":[],"coauthors":[20872,20912,20922,20932,20942],"class_list":["post-186812","post","type-post","status-publish","format-standard","hentry","category-archive","category-bme-archive"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Mouse Hotel - Senior Design Day<\/title>\n<meta name=\"description\" content=\"The goal of this project is to develop a dynamic mouse housing enclosure to study social interactions between mice who can choose to socialize in an open space or seclude in their own rooms. 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