BitNetMCU: Implementing MNIST handwritten digit recognition on the CH32V003 RISC-V MCU

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Multifunctional Telephone Conference System and Video Conference Design Solution Reference

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NUVOTON Wireless Charging Reference Solution

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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...

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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.

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Open source calculator CG-35, RPN calculator similar to HP-35

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Magnetic levitation system based on STM32F407

Support revolution, fixed height, side floating

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Wee Noise Makers PGB-1: Open Source Audio Synthesizer

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Tildagon: EMF reusable electronic badge, beyond 2024

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Integrated Turnkey Reference Design for Rotary Refrigerator Compressor Drive

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100W USB-C dual-port charger reference design with single-stage PFC

170 W AC-DC reference design with input voltage range for e-bike and power tool battery chargers

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Quadrant: Gesture audio adjustment based on 4 TOF sensors

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A low-profile version of full-featured software radio based on Raspberry Pi Pico (fully open source + detailed explanation)

With just a Raspberry Pi Pico, an analog switch and an op amp, you can build a powerful SDR receiver covering the LW, MW and SW bands. Capable of receiving signals from halfway around the world.

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DI-163 - Wide-range set-top box power supply with latch-off overvoltage (OVP) shutdown protection

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DI-113 - 5 W high efficiency charger for portable audio players

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DI-122 - 13 W (17.2 W peak) non-isolated power supply for white goods

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DER-114 - 21 W backup power supply

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DI-176 - 20W air conditioner power supply

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DI-177 - 9 W, high ambient temperature power supply for oven control

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