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Exoskeleton UI ([TU Berlin RISE SoSe 2023](https://blogs.tu-berlin.de/mt_rise/en/home/))\n\n\u003cfigure\u003e\n  \u003cimg src=\"Images/Main_UI_2.jpg\" width=50%\u003e\n  \u003cfigcaption\u003eFig.1 - Main UI \u003c/figcaption\u003e\n\u003c/figure\u003e \n\n## Project\n* development of an UI for a 4-DOF lower limb exoskeleton\n* UI contains 2 parts:\n\n1. **Main UI** (communication to exo main controller via WiFi, see Fig.1)\n2. **SACU** (\"Single Actuator Control Unit\") for manual control of actuators (see Fig.5)\n\n\n\n## Firmware \n* UI Control with [Teensy 4.1](https://www.pjrc.com/store/teensy41.html)\n* WiFi Connection with [ESP32 Adafruit Airlift](https://www.adafruit.com/product/4201)  \n* programming via PlatformIO\n\n### Structure\n* see [Code/Flow_Chart](Code/Flow_Chart) for detailed code structure\n\n\u003cbr\u003e\n\n* 2 buttons: TOGGLE button + SELECTION button\n* 6 modes: WALK, SIDE STEP, STAND UP, SIT DOWN, UPSTAIRS, DOWNSTAIRS\n* if last selection was SIT DOWN: only STAND UP as next mode possible\n* if exo in standing position: every mode except STAND UP possible \n\n\u003cbr\u003e\n\n\u003cfigure\u003e\n  \u003cimg src=\"Images/Main_UI.jpg\" width=50%\u003e\n  \u003cfigcaption\u003eFig.2 - Modes Exoskeleton \u003c/figcaption\u003e\n\u003c/figure\u003e \n\n\u003cbr\u003e\n\u003cbr\u003e\n\n\n## EDA\n* Schematics with Eagle 9.6.2\n* SPI Communication Interfaces for Teensy-to-Wifi Module and Teensy-to-LCD  \n\n### Components\n* [Teensy 4.1](https://www.pjrc.com/store/teensy41.html)\n* [Adafruit Airlift](https://www.adafruit.com/product/4201)\n* [Piezo transducer](https://www.reichelt.com/de/en/shop/product/piezo_transducer_85_db_4_khz-35927) for acoustic feedback when mode is selected\n* [2.4 inch LCD Display](https://www.waveshare.com/2.4inch-lcd-module.htm)\n* [5000mAh Powerbank](https://www.intenso.de/produkte/powerbanks/xs5000-xs10000-xs20000/) for 5V power supply\n* [Vibration Motor](https://www.reichelt.de/de/de/shop/produkt/dc-vibrationsmotor_3v_80ma_10000rpm-330549) for vibration feedback when toggling --\u003e vibration with current from Teensy is too low, use [relay](https://www.christians-shop.de/1-Kanal-5V-Relay-Relais-Modul-10A-250VAC?gQT=1) + 5V powerbank instead\n* LED @SACU: on when SACU on, blinking when motor active\n\n\u003cbr\u003e\n\n\u003cfigure\u003e\n  \u003cimg src=\"Images/Blockschaltbild_Main_UI_final.png\" width=50%\u003e\n  \u003cfigcaption\u003eFig.3 - Block Diagram Main UI \u003c/figcaption\u003e\n\u003c/figure\u003e \n\n\u003cbr\u003e\n\u003cbr\u003e\n\u003cbr\u003e\n\n\u003cfigure\u003e\n  \u003cimg src=\"Images/Blockschaltbild_SACU_final.png\" width=50%\u003e\n  \u003cfigcaption\u003eFig.4 - Block Diagram SACU \u003c/figcaption\u003e\n\u003c/figure\u003e \n\n\u003cbr\u003e\n\u003cbr\u003e\n\n## 3D \n\u003cfigure\u003e\n  \u003cimg src=\"Images/SACU.jpg\" width=50%\u003e\n  \u003cfigcaption\u003eFig.5 - 3D-printed SACU case \u003c/figcaption\u003e\n\u003c/figure\u003e \n\n\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fjohassel%2Fexo_ui","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fjohassel%2Fexo_ui","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fjohassel%2Fexo_ui/lists"}