{"id":9773,"date":"2025-12-20T18:04:01","date_gmt":"2025-12-20T17:04:01","guid":{"rendered":"https:\/\/blogs.etsii.urjc.es\/dseytr\/?p=9773"},"modified":"2025-12-20T18:04:02","modified_gmt":"2025-12-20T17:04:02","slug":"baston-inteligente-sistema-de-asistencia-para-personas-con-baja-vision","status":"publish","type":"post","link":"https:\/\/blogs.etsii.urjc.es\/dseytr\/baston-inteligente-sistema-de-asistencia-para-personas-con-baja-vision\/","title":{"rendered":"BAST\u00d3N INTELIGENTE: Sistema de Asistencia para Personas con Baja Visi\u00f3n"},"content":{"rendered":"\n<p><strong>Autores:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Rub\u00e9n Pisonero Cuenca<\/li>\n\n\n\n<li>Adri\u00e1n Feito Bl\u00e1zquez<\/li>\n\n\n\n<li>Wheisheng Zheng<\/li>\n\n\n\n<li>Isabel Sastre Gonz\u00e1lez<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/blogs.etsii.urjc.es\/dseytr\/wp-content\/uploads\/sites\/8\/2025\/12\/image-45-768x1024.png\" alt=\"\" class=\"wp-image-9812\" srcset=\"https:\/\/blogs.etsii.urjc.es\/dseytr\/wp-content\/uploads\/sites\/8\/2025\/12\/image-45-768x1024.png 768w, https:\/\/blogs.etsii.urjc.es\/dseytr\/wp-content\/uploads\/sites\/8\/2025\/12\/image-45-225x300.png 225w, https:\/\/blogs.etsii.urjc.es\/dseytr\/wp-content\/uploads\/sites\/8\/2025\/12\/image-45-1152x1536.png 1152w, https:\/\/blogs.etsii.urjc.es\/dseytr\/wp-content\/uploads\/sites\/8\/2025\/12\/image-45.png 1200w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">1. Introducci\u00f3n y Motivaci\u00f3n<\/h2>\n\n\n\n<p>En este proyecto hemos desarrollado un Bast\u00f3n Inteligente (Smart Cane) dise\u00f1ado para mejorar la autonom\u00eda y seguridad de personas con baja visi\u00f3n o ceguera parcial.<\/p>\n\n\n\n<p>Los bastones blancos tradicionales son herramientas eficaces para detectar obst\u00e1culos a nivel del suelo, pero dejan al usuario vulnerable ante objetos situados a media altura (ramas, se\u00f1ales de tr\u00e1fico, bolardos altos, etc.). Nuestro objetivo ha sido modernizar esta herramienta integrando tecnolog\u00eda empotrada que permita:<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>Detectar obst\u00e1culos a distancia mediante ultrasonidos.<\/li>\n\n\n\n<li>Avisar al usuario de forma h\u00e1ptica (vibraci\u00f3n) sin bloquear su sentido del o\u00eddo.<\/li>\n\n\n\n<li>Proporcionar un sistema de seguridad pasiva (SOS) con geolocalizaci\u00f3n.<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">2. Materiales y Componentes (BOM)<\/h2>\n\n\n\n<p>Para la realizaci\u00f3n del prototipo hemos utilizado el ecosistema Arduino por su versatilidad y bajo coste. Los componentes principales son:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Microcontrolador:<\/strong> Arduino Uno R3.<\/li>\n\n\n\n<li><strong>Sensor de Distancia:<\/strong> HC-SR04 (Ultrasonido).<\/li>\n\n\n\n<li><strong>Conectividad:<\/strong> M\u00f3dulo GSM SIM800L (para env\u00edo de SMS) y M\u00f3dulo GPS NEO-6M.<\/li>\n\n\n\n<li><strong>Actuador:<\/strong> Motor de vibraci\u00f3n (tipo moneda) controlado por transistor.<\/li>\n\n\n\n<li><strong>Alimentaci\u00f3n:<\/strong> Powerbank est\u00e1ndar + Regulador de voltaje LM2596 (Step-Down) para estabilizar la tensi\u00f3n del sistema.<\/li>\n\n\n\n<li><strong>Otros:<\/strong> Protoboard, resistencias, condensadores (para filtrado de picos del GSM), pulsador de emergencia y caja protectora.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">3. Funcionamiento y Casos de Uso<\/h2>\n\n\n\n<p>El sistema opera bajo una l\u00f3gica de feedback progresivo y monitoreo constante. Lo hemos dise\u00f1ado pensando en tres escenarios principales:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Navegaci\u00f3n Asistida:<\/strong> Mientras el usuario camina, el sensor barre el entorno frontal. Si no hay obst\u00e1culos cercanos (&gt; 250 cm), el bast\u00f3n permanece silencioso.<\/li>\n\n\n\n<li><strong>Detecci\u00f3n de Obst\u00e1culos:<\/strong> Al detectar un objeto, el sistema activa el motor de vibraci\u00f3n con una frecuencia variable:\n<ul class=\"wp-block-list\">\n<li><em>Precauci\u00f3n (150 cm):<\/em> Vibraci\u00f3n lenta.<\/li>\n\n\n\n<li><em>Alerta (50 cm):<\/em> Vibraci\u00f3n media.<\/li>\n\n\n\n<li><em>Peligro Inminente (&lt; 10 cm):<\/em> Vibraci\u00f3n r\u00e1pida.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Emergencia (SOS):<\/strong> Si el usuario pulsa el Bot\u00f3n de P\u00e1nico, el sistema captura las coordenadas GPS y env\u00eda un SMS de socorro con un enlace a Google Maps.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/blogs.etsii.urjc.es\/dseytr\/wp-content\/uploads\/sites\/8\/2025\/12\/image-47-1024x576.png\" alt=\"\" class=\"wp-image-9816\" srcset=\"https:\/\/blogs.etsii.urjc.es\/dseytr\/wp-content\/uploads\/sites\/8\/2025\/12\/image-47-1024x576.png 1024w, https:\/\/blogs.etsii.urjc.es\/dseytr\/wp-content\/uploads\/sites\/8\/2025\/12\/image-47-300x169.png 300w, https:\/\/blogs.etsii.urjc.es\/dseytr\/wp-content\/uploads\/sites\/8\/2025\/12\/image-47-768x432.png 768w, https:\/\/blogs.etsii.urjc.es\/dseytr\/wp-content\/uploads\/sites\/8\/2025\/12\/image-47-1536x864.png 1536w, https:\/\/blogs.etsii.urjc.es\/dseytr\/wp-content\/uploads\/sites\/8\/2025\/12\/image-47.png 2000w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">4. Desarrollo de Hardware y Conexiones<\/h2>\n\n\n\n<p>El montaje se ha realizado sobre una protoboard para facilitar la modularidad. Uno de los puntos clave fue el dise\u00f1o de la alimentaci\u00f3n: el m\u00f3dulo GSM genera picos de corriente altos, por lo que fue necesario implementar un bus de energ\u00eda robusto regulado por el LM2596 y a\u00f1adir condensadores de filtrado para evitar reinicios del Arduino <sup>1<\/sup><sup>1<\/sup><sup>1<\/sup><sup>1<\/sup>.+1<\/p>\n\n\n\n<p>A continuaci\u00f3n se muestra el esquema completo de conexiones que hemos dise\u00f1ado:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/blogs.etsii.urjc.es\/dseytr\/wp-content\/uploads\/sites\/8\/2025\/12\/image-39-1024x576.png\" alt=\"\" class=\"wp-image-9775\" srcset=\"https:\/\/blogs.etsii.urjc.es\/dseytr\/wp-content\/uploads\/sites\/8\/2025\/12\/image-39-1024x576.png 1024w, https:\/\/blogs.etsii.urjc.es\/dseytr\/wp-content\/uploads\/sites\/8\/2025\/12\/image-39-300x169.png 300w, https:\/\/blogs.etsii.urjc.es\/dseytr\/wp-content\/uploads\/sites\/8\/2025\/12\/image-39-768x432.png 768w, https:\/\/blogs.etsii.urjc.es\/dseytr\/wp-content\/uploads\/sites\/8\/2025\/12\/image-39-1536x864.png 1536w, https:\/\/blogs.etsii.urjc.es\/dseytr\/wp-content\/uploads\/sites\/8\/2025\/12\/image-39.png 2000w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>La electr\u00f3nica se ha integrado finalmente en una carcasa acoplada al bast\u00f3n, dise\u00f1ada para proteger los componentes sin comprometer la ergonom\u00eda.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">5. C\u00f3digo del Proyecto<\/h2>\n\n\n\n<p>El software se ha desarrollado utilizando una arquitectura Orientada a Objetos (POO) para mantener el c\u00f3digo limpio y modular. Hemos creado clases independientes para gestionar cada perif\u00e9rico (<code>DistanceSensor<\/code>, <code>GPSLocation<\/code>, <code>VibrationAlert<\/code>, <code>SMSCommunicator<\/code>,<code> BateryMonitor<\/code>), dejando el bucle principal (<code>loop<\/code>) muy simplificado.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"331\" src=\"https:\/\/blogs.etsii.urjc.es\/dseytr\/wp-content\/uploads\/sites\/8\/2025\/12\/image-48-1024x331.png\" alt=\"\" class=\"wp-image-9817\" srcset=\"https:\/\/blogs.etsii.urjc.es\/dseytr\/wp-content\/uploads\/sites\/8\/2025\/12\/image-48-1024x331.png 1024w, https:\/\/blogs.etsii.urjc.es\/dseytr\/wp-content\/uploads\/sites\/8\/2025\/12\/image-48-300x97.png 300w, https:\/\/blogs.etsii.urjc.es\/dseytr\/wp-content\/uploads\/sites\/8\/2025\/12\/image-48-768x248.png 768w, https:\/\/blogs.etsii.urjc.es\/dseytr\/wp-content\/uploads\/sites\/8\/2025\/12\/image-48-1536x496.png 1536w, https:\/\/blogs.etsii.urjc.es\/dseytr\/wp-content\/uploads\/sites\/8\/2025\/12\/image-48.png 1868w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Aqu\u00ed mostramos el fragmento principal de la l\u00f3gica de control:<\/p>\n\n\n\n<p>C++<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;Arduino.h&gt;\n#include \"Config\/Config.h\"\n#include \"Sensors\/DistanceSensor.h\"\n#include \"Actuators\/VibrationAlert.h\"\n#include \"Communication\/GPSLocation.h\"\n#include \"Communication\/SMSCommunicator.h\"\n#include \"Sensors\/BatteryMonitor.h\"\n#include \"Sensors\/EmergencyButton.h\"\n\n\/\/ Instantiate Modules\nDistanceSensor distanceSensor(PIN_TRIG, PIN_ECHO);\nVibrationAlert vibrationAlert(PIN_VIBRATION);\nGPSLocation gpsLocation(PIN_GPS_RX, PIN_GPS_TX);\nSMSCommunicator smsCommunicator(PIN_GSM_RX, PIN_GSM_TX);\nBatteryMonitor batteryMonitor(PIN_BATTERY, VOLTAGE_DIVIDER_RATIO, BATTERY_THRESHOLD_VOLTS);\nEmergencyButton emergencyButton(PIN_BUTTON);\n\nvoid setup() {\n    Serial.begin(9600); \/\/ For debugging\n    \n    distanceSensor.init();\n    vibrationAlert.init();\n    gpsLocation.init();\n    smsCommunicator.init();\n    batteryMonitor.init();\n    emergencyButton.init();\n    \n    Serial.println(\"Smart Cane System Initialized\");\n}\n\nvoid loop() {\n    \/\/ 1. Update GPS\n    gpsLocation.update();\n\n    \/\/ 2. Check Emergency Button\n    if (emergencyButton.isPressed()) {\n        Serial.println(\"Emergency Button Pressed!\");\n        if (gpsLocation.isValid()) {\n            smsCommunicator.sendSOS(gpsLocation.getLatitude(), gpsLocation.getLongitude());\n        } else {\n            Serial.println(\"GPS Invalid, sending last known or 0,0\");\n            \/\/ Optionally send 0,0 or wait\n            smsCommunicator.sendSOS(0.0, 0.0); \n        }\n        delay(5000); \/\/ Prevent spamming\n    }\n\n    \/\/ 3. Distance &amp; Vibration\n    long distance = distanceSensor.getDistance();\n    vibrationAlert.update(distance);\n\n    \/\/ 4. Battery Check\n    if (batteryMonitor.isLow()) {\n        \/\/ Optional: Low battery warning behavior\n        \/\/ For now, maybe just print to serial or a specific vibration pattern\n        Serial.println(\"Battery Low!\");\n    }\n\n    delay(10); \/\/ Small delay for stability\n}<\/code><\/pre>\n\n\n\n<p>C\u00f3digo completo: <a href=\"https:\/\/github.com\/Shockp\/BastonInteligente\/blob\/main\/src\/SmartCane.ino\">BastonInteligente\/src\/SmartCane.ino at main \u00b7 Shockp\/BastonInteligente<\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">6. Presupuesto<\/h2>\n\n\n\n<p>El coste total de materiales del prototipo asciende a 80,00 \u20ac, buscando siempre el equilibrio entre funcionalidad y bajo coste.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>Componente<\/strong><\/td><td><strong>Coste Aproximado<\/strong><\/td><\/tr><\/thead><tbody><tr><td>Arduino Uno R3<\/td><td>15,00 \u20ac<\/td><\/tr><tr><td>Sensor HC-SR04<\/td><td>2,00 \u20ac<\/td><\/tr><tr><td>M\u00f3dulo GPS NEO-6M<\/td><td>10,00 \u20ac<\/td><\/tr><tr><td>M\u00f3dulo GSM SIM800L<\/td><td>8,00 \u20ac<\/td><\/tr><tr><td>Powerbank + Regulador LM2596<\/td><td>12,00 \u20ac<\/td><\/tr><tr><td>Protoboard y componentes pasivos<\/td><td>7,00 \u20ac<\/td><\/tr><tr><td>Motor H\u00e1ptico<\/td><td>6,00 \u20ac<\/td><\/tr><tr><td>Bast\u00f3n f\u00edsico y estructura<\/td><td>10,00 \u20ac<\/td><\/tr><tr><td>Cables y varios<\/td><td>10,00 \u20ac<\/td><\/tr><tr><td><strong>TOTAL<\/strong><\/td><td><strong>80,00 \u20ac<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">7. Problemas Encontrados y Soluciones<\/h2>\n\n\n\n<p>Durante el desarrollo nos enfrentamos a varios desaf\u00edos:<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>Consumo del GSM:<\/strong> El m\u00f3dulo SIM800L es muy exigente energ\u00e9ticamente. <strong>Soluci\u00f3n:<\/strong> Mejoramos la etapa de potencia con una fuente externa (Powerbank) y condensadores electrol\u00edticos.<\/li>\n\n\n\n<li><strong>Volumen del Prototipo:<\/strong> Al usar un Arduino Uno y una protoboard, el circuito result\u00f3 voluminoso. <strong>Soluci\u00f3n:<\/strong> Dise\u00f1amos una caja contenedora espec\u00edfica, aunque identificamos que una versi\u00f3n final deber\u00eda usar una PCB customizada o un Arduino Nano.<\/li>\n\n\n\n<li><strong>Integraci\u00f3n Mec\u00e1nica:<\/strong> El bast\u00f3n est\u00e1 en constante movimiento, lo que pone a prueba las conexiones. Soluci\u00f3n: Aseguramos el cableado y la sujeci\u00f3n de la caja para evitar falsos contactos por vibraci\u00f3n.<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">8. V\u00eddeo Explicativo<\/h2>\n\n\n\n<p>A continuaci\u00f3n, pod\u00e9is ver el v\u00eddeo donde explicamos en detalle el montaje, el c\u00f3digo y mostramos una demostraci\u00f3n real del funcionamiento del bast\u00f3n:<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-4-3 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<div class=\"video-container\"><iframe loading=\"lazy\" title=\"Proyecto de DSE Grupo-1 2025\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/lcnk5NqG8SU?feature=oembed&#038;wmode=opaque\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<\/div><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">9. Conclusi\u00f3n<\/h2>\n\n\n\n<p>Este proyecto nos ha permitido validar que es posible crear una herramienta de asistencia accesible y funcional con hardware de bajo coste. Aunque existen mejoras posibles en cuanto a miniaturizaci\u00f3n, el sistema cumple robustamente con su funci\u00f3n de proteger y conectar al usuario.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Autores: 1. Introducci\u00f3n y Motivaci\u00f3n En este proyecto hemos desarrollado un Bast\u00f3n Inteligente (Smart Cane) dise\u00f1ado para mejorar la autonom\u00eda y seguridad de personas con baja visi\u00f3n o ceguera parcial. Los bastones blancos tradicionales&#46;&#46;&#46;<\/p>\n","protected":false},"author":298,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-9773","post","type-post","status-publish","format-standard","hentry","category-proyectos"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>BAST\u00d3N INTELIGENTE: Sistema de Asistencia para Personas con Baja Visi\u00f3n - Proyectos con Arduino.<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blogs.etsii.urjc.es\/dseytr\/baston-inteligente-sistema-de-asistencia-para-personas-con-baja-vision\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"BAST\u00d3N INTELIGENTE: Sistema de Asistencia para Personas con Baja Visi\u00f3n - Proyectos con Arduino.\" \/>\n<meta property=\"og:description\" content=\"Autores: 1. 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