• W5500 PoE Project

    W5500 PoE Project

    10/100 Base-T/TX PHY Ethernet controller that supports PoE with SPI Interface. Based on W5500. Can be used as PoE injector. #project #referenceDesign #template #w5500 #PoE #EtherNet #RJ5

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    37 Comments

    5 Stars


  • W5500 PoE Project

    W5500 PoE Project

    10/100 Base-T/TX PHY Ethernet controller that supports PoE with SPI Interface. Based on W5500. Can be used as PoE injector. #project #referenceDesign #template #w5500 #PoE #EtherNet #RJ5

    1 Star


  • Webcam & TouchKey Laptop PCB

    Webcam & TouchKey Laptop PCB

    This project involves designing a PCB for the lid assembly of an open-source laptop. The design integrates various sensors, including a microphone, camera, and ambient light sensor, ensuring precise alignment with the display glass. It features touch sensors to control LED lighting, spring-loaded contacts for touch-key interaction, and 3D-printed light diffusers for efficient lighting. Additionally, the PCB includes a power management system with status LEDs and a PFC for connecting to the external laptop PCB. The goal is to create a versatile, upgradeable, and user-friendly component for the laptop's lid. Specific parts of the project include 1. Microphone - Audio input capture 2. Ambient Light Sensor Module - Light intensity measurement 3. Camera - Video capture 4. LDO Regulators (3 TLV74 Series) - Voltage regulation for different components 5. Crystal - Clock generation 6. Touch Sensor Controller - Touch-key interaction 7. Flip-Flop - State keeping in logic circuits 8. LEDs (LTRBR37G Series) - Lighting indication 9. FPC Connector - Interface with main laptop PCB

    15 Comments

    1 Star


  • LW18-S

    LW18-S

    I2C to dual PWM controller. The LED-Warrior18, manufactured by Code Mercenaries, is an I2C to dual channel PWM LED driver specifically designed to provide seamless brightness control for LED applications. This component, available in SOIC8 package (LW18-S) and as a ready-to-use module (LW18-01MOD), offers dual 16-bit PWM outputs with a dimming range from 0.001% to 100% and operates at a PWM frequency of 730 Hz. It supports programmable period lengths for higher-frequency or lower-resolution operation and includes an 8-bit data to logarithmic mapping feature for smoother dimming operations with just 256 steps. The LED-Warrior18 is engineered for minimal external circuitry with a 5V power supply requirement, offering ease of use in various lighting applications. It also features a sync mode for synchronized control of multiple units and customizable power-on status settings, making it highly versatile for standalone operations or integrated systems. Additionally, custom variants of both the chip and module are available, catering to specific application needs. The module version, LW18-01MOD, simplifies integration by including terminal blocks and supporting up to 4A load sink current for each output. The LED-Warrior18 stands out for its straightforward interface and operational flexibility, providing a comprehensive solution for advanced LED dimming and control projects.

    1 Star


  • RC Car Controller Interface af42

    RC Car Controller Interface af42

    PCB con un MCU diseñado para conectar un PC con el control de un auto RC de juguete. El MCU recibe mensajes UART del PC que indican comandos direccionales (adelante, atrás, izquierda, derecha) y activa uno de cuatro pines GPIO para simular pulsaciones de botones en el control del auto RC.

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    18 Comments


  • RC Car Controller Interface

    RC Car Controller Interface

    PCB con un MCU diseñado para conectar un PC con el control de un auto RC de juguete. El MCU recibe mensajes UART del PC que indican comandos direccionales (adelante, atrás, izquierda, derecha) y activa uno de cuatro pines GPIO para simular pulsaciones de botones en el control del auto RC.

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    6 Comments


  • RC Car Controller Interface 8e1b

    RC Car Controller Interface 8e1b

    PCB con un MCU diseñado para conectar un PC con el control de un auto RC de juguete. El MCU recibe mensajes UART del PC que indican comandos direccionales (adelante, atrás, izquierda, derecha) y activa uno de cuatro pines GPIO para simular pulsaciones de botones en el control del auto RC.

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    3 Comments


  • RC Car Controller Interface af42 6a28

    RC Car Controller Interface af42 6a28

    PCB con un MCU diseñado para conectar un PC con el control de un auto RC de juguete. El MCU recibe mensajes UART del PC que indican comandos direccionales (adelante, atrás, izquierda, derecha) y activa uno de cuatro pines GPIO para simular pulsaciones de botones en el control del auto RC.

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    1 Comment


  • Raspberry Pi 5 Hat with PCIe and Ardiono Bridge Including  a Teensy 4 and ic3 chip with usb controller interface and serial commication bridge and a

    Raspberry Pi 5 Hat with PCIe and Ardiono Bridge Including a Teensy 4 and ic3 chip with usb controller interface and serial commication bridge and a

    Template for Raspberry Pi 5 Model Shield. Include an official pinout so you will always know Raspberry Pi names, the alternative roles of pins, which one is SDA, or SCL, etc. On PCB you can find the 3D model of the Raspberry Pi itself along with the board outline on the silkscreen. #RaspberryPi #Raspberry #RaspberryPi5 #raspberry #Pi #RPi #Shield #template #project #project-template

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  • DeWalt 21V 5S Experimental Charger

    DeWalt 21V 5S Experimental Charger

    Experimental 21V/5S Li-ion DeWalt battery charger with 21V DC input, relay-switched charge path, tap monitoring, ESP32-WROOM external controller interface, test header, and 2-layer prototype PCB intent.


  • Relative Harlequin Robot Vacuum

    Relative Harlequin Robot Vacuum

    ATmega328P Dual Sabertooth Motor Controller Interface with Encoder Feedback and Protected 5V Input (KiCad 9, Compact Design)


  • CM5 SD Card Support Update

    CM5 SD Card Support Update

    CM5-based controller updated with SD card interface support: 47k pull-ups on CMD and DAT0-DAT3, local 100nF and 10uF decoupling on the SD 3.3V rail, and card-detect reserved as a future option because the current SD module symbol does not expose a detect pin.


  • ESP32 Quadcopter Flight Controller 4ba8

    ESP32 Quadcopter Flight Controller 4ba8

    ESP32-S3 quadcopter flight controller with OV5640 24-pin DVP camera interface, Wi-Fi video link, BLE telemetry, onboard USB-C power/programming, IMU, barometer, ToF altitude sensing, lidar connector, and 4 ESC PWM outputs.

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  • W5500 PoE Project nezh

    W5500 PoE Project nezh

    10/100 Base-T/TX PHY Ethernet controller that supports PoE with SPI Interface. Based on W5500. Can be used as PoE injector. #project #referenceDesign #template #w5500 #PoE #EtherNet #RJ5

    3 Comments


  • W5500 PoE Project gU27 7M2B

    W5500 PoE Project gU27 7M2B

    10/100 Base-T/TX PHY Ethernet controller that supports PoE with SPI Interface. Based on W5500. Can be used as PoE injector. #project #referenceDesign #template #w5500 #PoE #EtherNet #RJ5

    1 Comment


  • W5500 PoE Project

    W5500 PoE Project

    10/100 Base-T/TX PHY Ethernet controller that supports PoE with SPI Interface. Based on W5500. Can be used as PoE injector. #project #referenceDesign #template #w5500 #PoE #EtherNet #RJ5

    1 Comment


  • W5500 PoE Project

    W5500 PoE Project

    10/100 Base-T/TX PHY Ethernet controller that supports PoE with SPI Interface. Based on W5500. Can be used as PoE injector. #project #referenceDesign #template #w5500 #PoE #EtherNet #RJ5

    1 Comment


  • W5500 PoE Project t66z

    W5500 PoE Project t66z

    10/100 Base-T/TX PHY Ethernet controller that supports PoE with SPI Interface. Based on W5500. Can be used as PoE injector. #project #referenceDesign #template #w5500 #PoE #EtherNet #RJ5

    1 Comment


  • W5500 PoE Project iHvR

    W5500 PoE Project iHvR

    10/100 Base-T/TX PHY Ethernet controller that supports PoE with SPI Interface. Based on W5500. Can be used as PoE injector. #project #referenceDesign #template #w5500 #PoE #EtherNet #RJ5

    1 Comment


  • W5500 PoE Project

    W5500 PoE Project

    10/100 Base-T/TX PHY Ethernet controller that supports PoE with SPI Interface. Based on W5500. Can be used as PoE injector. #project #referenceDesign #template #w5500 #PoE #EtherNet #RJ5

    1 Comment


  • W5500 PoE Project

    W5500 PoE Project

    10/100 Base-T/TX PHY Ethernet controller that supports PoE with SPI Interface. Based on W5500. Can be used as PoE injector. #project #referenceDesign #template #w5500 #PoE #EtherNet #RJ5

    1 Comment


  • Modem Project

    Modem Project

    10/100 Base-T/TX PHY Ethernet controller that supports PoE with SPI Interface. Based on W5500. Can be used as PoE injector. #project #referenceDesign #template #w5500 #PoE #EtherNet #RJ5


  • W5500 PoE Project jCKn

    W5500 PoE Project jCKn

    10/100 Base-T/TX PHY Ethernet controller that supports PoE with SPI Interface. Based on W5500. Can be used as PoE injector. #project #referenceDesign #template #w5500 #PoE #EtherNet #RJ5


  • W5500 PoE Project kHsZ

    W5500 PoE Project kHsZ

    10/100 Base-T/TX PHY Ethernet controller that supports PoE with SPI Interface. Based on W5500. Can be used as PoE injector. #project #referenceDesign #template #w5500 #PoE #EtherNet #RJ5


  • W5500 PoE Project iZ2C

    W5500 PoE Project iZ2C

    10/100 Base-T/TX PHY Ethernet controller that supports PoE with SPI Interface. Based on W5500. Can be used as PoE injector. #project #referenceDesign #template #w5500 #PoE #EtherNet #RJ5