OpenGlass: AI glasses based on ESP32S3, costing more than 100 yuan to copy

​You can record your life anytime and anywhere, remember people's names, calculate food calories, translate in real time, and have intelligent conversations...

Schematic PCB

HealthyPi Move: Open source, smart health watch that is as good as professional ones

Supports continuous or intermittent monitoring of important biometric signals such as ECG, heart rate, HRV, PPG, SpO₂, blood pressure trend and respiration. It integrates daily use and advanced research applications.

Schematic PCB

Tildagon: EMF reusable electronic badge, beyond 2024

Schematic PCB

Gaming Headset

Single coil wireless charging solution

The 65W single-coil wireless power solution includes controller, software and hardware, all documented and fully tested, enabling rapid transition from prototype to production. Scalable form factors and parameters support a wide range of use cases and applications such as electric scooters, fixed wireless access outdoor units, vacuum cleaners, power tools, drones and more.

15 W LDO Wireless Charging Receiver Reference Design

15 W Buck Wireless Charging Receiver Reference Design

High voltage wireless charging receiver

Schematic PCB

BLE based voice solution

OpenEarable open source in-ear wireless headphones (finished version)

OpenEarable aims to enable ear-based sensing applications by providing a flexible open source hardware platform. It integrates a range of sensors, including a 9-axis inertial measurement unit, ear canal pressure and temperature sensors, inward-facing ultrasound microphone, speakers, buttons and controllable RGB LEDs. With these capabilities, OpenEarable provides researchers and developers with the ability to explore a variety of application scenarios.

OpenEarable controls and transmits sensor data via BLE (Bluetooth Low Energy). Audio is played from or recorded to the internal SD card. OpenEarable is compatible with the provided dashboard and Edge-ml.

Schematic PCB

2020 Electronic Competition Question A-Wireless Motion Sensor Node Design (Dalian University of Technology)

Schematic PCB

2020 Electronic Competition Question A-Wireless Motion Sensor Node Design (East China Jiaotong University Institute of Technology)

Schematic PCB

Automatic clock-in and walking timing system based on face recognition (K210, nRF52832)

Schematic PCB

Flexible PCB with three buttons

1 Layers PCB 11 x 48 mm Polyimide Flex, 0.1 mm, 1, Immersion gold (ENIG), Yellow Solder Mask, White silkscreen;

Schematic PCB

Portable wireless touch remote control

A tiny potable remote that can be customized to do different tasks using touch functionalities of ESP32

Schematic PCB

Open source wearable watch (including firmware, schematics and 3D printing diagrams)

This smartwatch can measure linear acceleration, rotational speed, heart rate and SpO2 (oxygen saturation) of the hand

Schematic PCB

STM32 programmable watch (2)

A very exquisite STM32 programmable watch

Schematic PCB

LPCXpresso43S67 development board

The LPCXpresso family provides a powerful and flexible development system for NXP Cortex-M microcontrollers. The LPCXpresso43S67 board was developed by NXP to enable evaluation and prototyping of the LPC4300 series MCUs, featuring the LPC43S67 in a 100-pin BGA package. LPCXpresso™ is a low-cost development platform provided by NXP that supports NXP's Arm-based microcontrollers. The platform includes a simplified Eclipse-based IDE and low-cost target boards with a JTAG debugger. LPCXpresso is an end-to-end solution that supports embedded engineers developing applications from initial evaluation to final production.

Schematic PCB

PCT2075DP Arduino expansion board with temperature sensor function

The PCT2075DP Arduino Shield has most temperature sensor functionality on a board compatible with the Arduino R3 pinout. The graphical interface allows the user to easily explore the different functions of the temperature sensor. In addition, users can find embedded drivers and demo applications as reference code to get started quickly.

Schematic PCB

NHS3100 Starter Kit for Treatment Adherence

Schematic PCB