SignSense by Obuino (Obi Obetta)

An ASL finger spelling glove, final project for CMSC 23220: Inventing, Engineering and Understanding Interactive Devices at the University of Chicago

How to Use Glove

Since this a private repo, please clone it, open the index.html file, and connect the glove. Once connected, the SignSense web app will guide you through the ASL Alphabet.

Engineering Specs

Hardware

1 Arduino Nano 33 BLE Sense Rev2

• Built-in BLE
• Built-in IMU

4 Flex Sensor Circuits

• 47kΩ Resistor

4 Force Sensor Circuits

• 10kΩ Resistor

4 Vibration Motor Circuits

• 1kΩ Resistor
• 2N2222 Transistor
• 1N4007 Diode
• 0.1µF Capacitor

1 Piezo Buzzer Circuit

• 100Ω Resistor

Circuit Schematic

Software

SignSense was programmed with the Arduino platform. The web platform consists of an HTML, CSS, and Vanilla JS tech stack.

Process

Phase 1: The Holy Breadboard of Doom

Phase 2: Soldering on the Perfboard

Phase 3: Make it Look Purrty