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1Clear out junk files and repair common Windows errors2Fix the driver behind crashes, sound loss and screen glitches3Repair Windows errors before they cause bigger problemsFryPi is a compact development-board project built around the STM32F411RET6, aimed at general embedded work as well as AI- and TinyML-oriented demonstrations. Its documentation lists a 100 MHz CPU and 512 KB of flash, plus examples such as handwritten-digit and thermal-gesture recognition. Those examples show what the project explores; they are not published benchmarks of inference speed, accuracy, or power use.
What FryPi is—and who it is for
OSHWHub describes FryPi as an STM32F411RET6 mini development board for AI, user-interface (UI) development, digital power control, and other embedded projects. Maker Kingham Xu created it as a more accessible platform for secondary development alongside STM32 AI tutorials, according to Hackster.io’s 2024 coverage.
That makes FryPi more than a dedicated TinyML accelerator: it is a general-purpose microcontroller board whose project examples include machine-learning-style demos. It may suit a developer who wants to explore an STM32 workflow, connect peripherals, and adapt example projects. It should not be mistaken for evidence that the board can run any particular model or deliver a particular level of performance.
FryPi’s documented hardware
The OSHWHub project page, updated May 6, 2026, lists an STM32F411RET6, a 100 MHz CPU, 512 KB of flash, and a Cortex-M4 core with DSP and floating-point unit (FPU) support and an ART accelerator. It also says external SPI flash may be soldered onto the board. These are project-page specifications, not independent measurements.
#1 Best Overall
- Read Before You Buy — No Video Output: These adapters support charging and USB 2.0 data transfer, but cannot transmit video signals. Except for standard USB webcams (which use USB data only), they are not compatible with HDMI/DisplayPort cables, video-capable USB-C hubs, or docking stations with video output.
- Convert USB-A Ports to USB-C: Designed to connect USB-C earphones, cables, flash drives, card readers, and other USB-C accessories to standard USB-A ports. Plug-and-play with no drivers or software required.
- Aluminum Alloy Housing: Built with a sturdy aluminum alloy shell that aids in heat dissipation and protects against daily wear and scratches. Designed to maintain a stable and secure connection.
- Compact & Travel-Friendly: The ultra-compact design allows the adapter to stay plugged into your device without blocking adjacent ports or adding bulk, reducing wear and tear on your original USB ports.
- 12-Month Warranty: Backed by a 12-month manufacturer warranty for peace of mind. Designed to meet strict quality control standards for reliable everyday performance.
Hackster’s 2024 article gives 128 KB SRAM and 512 KB flash for the STM32F411REU6 it describes. The suffix differs from the RET6 named on the project page; do not assume these package designations are interchangeable when selecting a part or checking board compatibility. Consult the exact revision’s files and component markings.
STM32F4 denotes a family, not a single fixed specification. ST’s STM32F4 series overview and product listings cover multiple parts with different clocks, memory sizes, and peripherals. Family-level maximums or capabilities of other STM32F4 devices should not be attributed to FryPi’s F411 variant.
Rank #2
- 5-in-1 USB-C Hub: Experience comprehensive connectivity featuring a Power Delivery input, two USB-A 2.0 ports, a USB-A 3.0 port, and an HDMI port. (Note: The USB-C power delivery input port is only for connecting an external wall charger to power your laptop and cannot power peripheral devices.)
- 90W Pass-Through Charging: Achieve optimal charging with 90W pass-through power to your laptop, supported by a total input of 100W, with the hub reserving 10W for operational efficiency. (Note: Wall charger not included.)
- Quick Data Transfers: Accelerate your productivity with rapid data transfers using a high-speed 5Gbps USB 3.0 port and two 480Mbps USB 2.0 ports.
- 4K HDMI Display: Enhance your visual experience with a hub capable of delivering 4K resolution at 30Hz in both mirror and extend modes. Please note that this hub is compatible with MacBook (macOS 12 and newer), Windows 10 and 11, ChromeOS, and laptops equipped with DP Alt Mode and Power Delivery. Note: This device is not compatible with Linux.
- What You Get: Anker USB-C Hub (5-in-1, 4K HDMI), welcome guide, 18-month warranty, and our friendly customer service.
What the project demonstrates
FryPi’s listed examples span embedded interfaces, sensing, and development workflows. OSHWHub lists smartwatch and thermal-imaging gesture-recognition projects, handwritten-digit recognition, MATLAB collaboration, and Simulink work. Hackster also describes handwriting, thermal-camera gesture, and OV2640 facial-recognition demonstrations.
The examples establish that these demonstrations are part of the project’s documented scope. The cited pages do not establish model accuracy, inference latency or throughput, power consumption, or performance under a stated test setup. Treat “AI” and “TinyML” as the project’s intended application areas, not as a quantified capability guarantee.
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- Sleek 7-in-1 USB-C Hub: Features an HDMI port, two USB-A 3.0 ports, and a USB-C data port, each providing 5Gbps transfer speeds. It also includes a USB-C PD input port for charging up to 100W and dual SD and TF card slots, all in a compact design.
- Flawless 4K@60Hz Video with HDMI: Delivers exceptional clarity and smoothness with its 4K@60Hz HDMI port, making it ideal for high-definition presentations and entertainment. (Note: Only the HDMI port supports video projection; the USB-C port is for data transfer only.)
- Double Up on Efficiency: The two USB-A 3.0 ports and a USB-C port support a fast 5Gbps data rate, significantly boosting your transfer speeds and improving productivity.
- Fast and Reliable 85W Charging: Offers high-capacity, speedy charging for laptops up to 85W, so you spend less time tethered to an outlet and more time being productive.
- What You Get: Anker USB-C Hub (7-in-1), welcome guide, 18-month warranty, and our friendly customer service.
Core boards and optional camera/display hardware
The project page documents several hardware options, including a Core board, a single-Type-C Core variant, single- and dual-Type-C versions, a CAM expansion board, and an OV2640 camera module. It also names a P169H002-CTP touchscreen. These are documented project components and variants, not confirmation of current retail stock or accessory availability.
Before choosing or assembling a configuration, check the current project files and revision notes for connector, pinout, mechanical, and electrical fit. The page refers to hardware revision V1.1, but the available description does not establish that every accessory or expansion fits every variant.
Rank #4
- Dual Converters, Infinite Potential：Includes 2× USB C male to USB A female adapters and 2× USB A male to USB C female adapters. Perfect for a wide range of uses—tablets with Bluetooth keyboards, expand USB ports on macbook, and more. Two different converters for all your daily needs
- Next-Level 10Gbps & 3A Charging: No more slow 480Mbps, this usb to usb c adapter has a transfer speed of up to 10Gbps, allowing you to do more transferring in less time. This usb adapter fits both USB A and USB C charger, supporting up to 3A fast charging
- Upgraded Exquisite Craftsmanship: With an aluminum alloy housing and metal connector, the usbc to usb adapter is extremely durable and sturdy. Rigorously tested to withstand more than 10,000 times of plugging and unplugging, ensuring long-lasting performance
- Broad Compatible: The usb c to usb adapter widely supports all USB C/ USB A devices like laptops, tablets, cellphones, car chargers, and phone chargers. Such as compatible with MacBook Pro/Air 2023/2022, Thunderbolt 4/3 Devices,Apple MagSafe Watch 9/8/7/SE/Ultra, iPad Pro 2022/2021, Samsung Galaxy S23/S20/S10, and iPhone 17/16/15 Pro. Plug and play
- Please Note: To reach 10Gbps speed, keep the cable under 3.3 ft. For USB A Male to USB C adapters, try flipping the USB C connector. USB C Male to USB A adapters support bidirectional 10Gbps transfer within 3.3 ft
Documentation, source, and license
OSHWHub points to basic peripheral tutorials as well as advanced FreeRTOS and CubeAI material, and states that the project is licensed under GPL 3.0. Review the project’s current files and license terms before reusing or modifying its hardware or software. The documentation and examples are the practical starting point for evaluating whether FryPi fits a particular build.
Quick Recap
Best Value
- 5-in-1 Connectivity: Equipped with a 4K HDMI port, a 5 Gbps USB-C data port, two 5 Gbps USB-A ports, and a USB C 100W PD-IN port. Note: The USB C 100W PD-IN port supports only charging and does not support data transfer devices such as headphones or speakers.
- Powerful Pass-Through Charging: Supports up to 85W pass-through charging so you can power up your laptop while you use the hub. Note: Pass-through charging requires a charger (not included). Note: To achieve full power for iPad, we recommend using a 45W wall charger.
- Transfer Files in Seconds: Move files to and from your laptop at speeds of up to 5 Gbps via the USB-C and USB-A data ports. Note: The USB C 5Gbps Data port does not support video output.
- HD Display: Connect to the HDMI port to stream or mirror content to an external monitor in resolutions of up to 4K@30Hz. Note: The USB-C ports do not support video output.
- What You Get: Anker 332 USB-C Hub (5-in-1), welcome guide, our worry-free 18-month warranty, and friendly customer service.
What to verify before buying or building
- Confirm the exact board variant and MCU/package marking; the project page names STM32F411RET6, while Hackster reports a different suffix for the part it describes.
- Check the revision and current repository files for pin compatibility, assembly requirements, and whether the CAM expansion, camera, or display matches the chosen Core board.
- Look for code and instructions for the specific tutorial or demo you intend to run, rather than assuming that a listed example is a turnkey application.
- Verify present-day availability, price, seller, and accessory identity directly. The project documentation does not establish current purchasing options.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
