MCU-Controlled 7-Port USB 3.0/2.0 Hub with Dual Extra USB 3.0 Downstream Ports, Per-Port 900mA Power Switches, High-Speed TVS/CMC Protection, Controlled Line Impedance (85Ω SS / 90Ω USB2), and ≥6.3A Total Current Output

Introducing our innovative modular, AI-powered DIY laptop carrier board project! This design focuses on a step-by-step approach, starting with a solid architectural scaffold that lays the groundwork for a high-performance system. The project is built around a hierarchical schematic structure including: • A Top Sheet outlining the system overview and power tree • SoM Connectors organized into three 100-pin assemblies (two CM4/5-compatible and one dedicated to high-speed operation) • Dedicated Power/PD management • An M.2 A+E interface for the Coral TPU (PCIe x1 from PORT0) • An M.2 M-key interface for an NVMe SSD (PCIe x2 from PORT1) • Comprehensive USB & Hub configurations • A microSD integration module • Supervisory and Reset controls The design aligns with cost-effective 4-layer board stackup practices (JLCPCB friendly) while following best high-speed design guidelines for USB/PCIe integrity. The integrated silkscreen placeholders feature custom sci-fi fonts for a unique, personal branding touch. Key routing notes include precise PCIe lane mappings based on the Orange Pi CM5 manual, ensuring clean ground return paths, effective decoupling, and proper AC-coupling placement. With paired USB hubs optimized for minimal depth and latency and robust power sequencing strategies, this project is poised to evolve into a high-speed, scalable prototype. #DIYElectronics #ModularDesign #PCBDesign #EmbeddedSystems #PCIe #USBDesign #OrangePiCM5 #TechInnovation #HighSpeedElectronics

This is a WiFi RF-ID Reader Template based on ESP32-S2-mini module and RC522 is a 13.56MHz RFID module #smartHome #ESP32S2 #ESP32 #Thread #Zigbee #BMD340 #wifi #gateway #referenceDesign #project #template #hub

This is a WiFi RF-ID Reader Template based on ESP32-S2-mini module and RC522 is a 13.56MHz RFID module #smartHome #ESP32S2 #ESP32 #Thread #Zigbee #BMD340 #wifi #gateway #referenceDesign #project #template #hub

This is a WiFi RF-ID Reader Template based on ESP32-S2-mini module and RC522 is a 13.56MHz RFID module #smartHome #ESP32S2 #ESP32 #Thread #Zigbee #BMD340 #wifi #gateway #referenceDesign #project #template #hub

This is a Thread to WiFi Gateway Template based on BMD-340-A-R Transceiver Module and ESP32-S2-mini module #smartHome #ESP32S2 #ESP32 #Thread #Zigbee #BMD340 #wifi #gateway #referenceDesign #project #template #hub

The TUSB8041, developed by Texas Instruments, is a four-port USB 3.0 hub intended for use in computer systems, docking stations, monitors, and set-top boxes, providing simultaneous SuperSpeed USB and high-speed/full-speed connections on the upstream port as well as on the downstream ports. This component supports battery charging features, enabling Charging Downstream Port (CDP) and Dedicated Charging Port (DCP) modes, compliant with the Chinese Telecommunications Industry Standard YD/T 1591-2009, and introduces an automatic mode for transparent support for BC devices and devices supporting Divider Mode charging solutions. It offers customization through OTP ROM, I2C EEPROM or via an I2C/SMBus slave interface for Vendor ID (VID), Product ID (PID), port customizations, and manufacturer and product strings. The TUSB8041 comes in a 64-pin RGC package and is available in both commercial (0°C to 70°C) and industrial (-40°C to 85°C) temperature ranges, part numbers TUSB8041 and TUSB8041I respectively, with an operating voltage requirement of 3.3V for I/O and 1.1V for the core. This hub doesn't require special drivers as it's designed to work seamlessly with any operating system supporting the USB stack, making it a highly adaptable solution for expanding USB connectivity in a wide range of applications.

Introducing my USB-C to 4 USB-A Hub V1, a compact and efficient solution for expanding your device's connectivity. Easily connect multiple USB-A peripherals to a single USB-C port. The USB-C and USB-A high speed differential pairs were done with the help of Flux Automated Impedance Control. #USBCHub #Connectivity #project

layout pcb esp32 to hub 75 led matrix

Attiny 84

powering hub75 led matrix with teensy 4.1