TinZr: A Compact Wireless ESP32-C3 Platform for Multi-modal Physiological Data Acquisition and More.

Ludvik Alkhoury

OSHWA UID

Certification Date

January 28, 2026

Country

United States of America

TinZr is a compact, open-source wearable controller based on the ESP32-C3, designed for multimodal physiological sensing and motion tracking. Measuring 25 × 25 mm, it integrates a 6-axis IMU, battery management, Wi-Fi/BLE, microSD storage, and flexible GPIO interfaces. TinZr supports real-time wireless streaming and long-duration local logging, making it well suited for research, prototyping, and field studies in wearable health monitoring.

Version

Licenses

Hardware

CERN-OHL-P-2.0

Software

GPL-3.0-only

Documentation

CC0-1.0

View Documentation

Certification mark

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Project Type

Wearables

3D Printing

Electronics

Enclosure

IOT

Manufacturing

Robotics

Science

Keywords

Microcontroller, ESP32-C3, Wearable Devices, Physiological Signals, Physiological Monitoring, Data Acquisition, Multimodal Signals, Wireless Communication, Multi-Device Synchronization, Open-Source Hardware, Signal Processing, Inertial Measurement Unit (IMU), Low-Power Design, MicroSD Data Logging, Battery-Powered Systems