Solution Description

PrismaView is a modern smart glasses system designed for seamless integration of technology into everyday life. It allows users to receive notifications, control multimedia, monitor physical activity, and analyze environmental conditions — all discreetly and conveniently, without needing to take a phone out of their pocket.

A standout feature of PrismaView is its transparent prism displays, which overlay the user interface directly onto the view in front of the wearer. This enables real-time tracking of information such as weather forecasts, air pollution levels, UV intensity, and distance to obstacles. Control is achieved through intuitive hand gestures and taps on the frame, providing natural and smooth operation.

The glasses work with Apple devices using ANCS (Apple Notification Center Service), AMS (Apple Media Service), and CTS (Current Time Service) standards, allowing synchronization of notifications, music, and calendar. PrismaView also provides autonomous features, including apps for Weather, Activity, Music, Measurements, and Notifications, which work independently of an Internet connection.

Specifications

Microcontrollers:
2× ESP32 (dual-core, 240 MHz, Bluetooth + WiFi)

Power Supply:
Li-Po battery 3.7 V / 750 mAh
USB-C charging (5 V)
Charging IC – BQ24075
Battery monitoring – BQ27441

Sensors:

  • BME280 – temperature, humidity, pressure
  • ENS160 – air quality (CO₂, VOC)
  • LTR390 – UV radiation
  • VL53L0X – distance measurement (ToF)
  • APDS9960 – gesture and color sensor
  • BMA400 – 3-axis accelerometer

Audio:
Bone conduction speakers
MAX98357A codec (I²S)

Displays:
2× color OLED 0.6″ (SSD1357) + prism projection lenses

Connectivity:
Bluetooth Low Energy (ANCS, AMS, CTS)
WiFi 2.4 GHz

Memory:
SPI Flash (user data and firmware)

PCBs:

  • Main board – 6 layers
  • Peripheral and sensor boards – 2 layers
  • SMD components 0201 / 0402
  • Boards connected via FFC ribbons

Enclosure:
Designed in Autodesk Fusion 360, 3D printed
Front panel made of laser-cut plexiglass
Integrated bone conduction speakers and battery in the hinge

Software:
Firmware in C++
Custom system with apps including Weather, Activity, Music, Notifications, Measurements

Device Images

Schematics

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