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RGB P4 Led Matrix Clock based on ESP32

“RGB P4 Led Matrix Clock based on ESP32” is a multifunctional clock with functions of displaying weather, weather forecast etc.

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“RGB P4 Led Matrix Clock based on ESP32” is a multifunctional clock with functions of displaying weather, weather forecast, receiving news feed, displaying any given information at the appointed time. Management is carried out via a web interface or a mobile application. The watch has low power consumption and at the same time provides a high display thanks to the use of RGB matrix panel P4 (62x32).

RGB P4 Led Matrix Clock is a device, based on ESP32 (Mini 32 or 30P WROOM-32) microcontroller is used to output the information received RGB matrix panel P4 256*128mm (62x32) 1/16 Scan.

An Internet connection via Wi-Fi module helps to synchronize time with NTP server, to receive and display weather and weather forecast, weather icons, today's date in various formats, news, exchange rates, etc. Clock can display predetermined information (reminders, greetings, advertisements, time-schedules etc.) according on schedule. RGB matrix panel P4 allows you to display various colorful graphics and animations.

Clock adjustment and manipulation is performed via WEB-interface or APP LWDevices or LWDevices2.

To control RGB matrix panel P4 (62x32) the SmartMatrix by Pixelmatix library is used.

To power the RGB matrix panel P4 and the controller, you must use any power supply with a voltage of 5V and a power of more than 15W, since the consumption of one panel when displaying white is about 3 A.

Features include:

  • Always precise time because of synchronization with NTP time server
  • High display brightness
  • Getting a weather information and forecast for your city (temperature, barometric pressure, humidity, cloud and wind structure)
  • Output of any predetermined information in the form of text, creeping line, graphic icons
  • day and night mode
  • No buttons – control the clock via WEB-interface from PC, tablet or smartphone
  • Brightness and output speed adjustment
  • Firmware update via Wi-Fi
  • Information display on 3 languages: English, Russian, Bulgarian
  • An option to install different alternative Open Source firmware, designed to RGB matrix panel control
  • Hackable: Open source hardware and firmware, Displays information read via UART

  • 1 × WeMos MiniID1 ESP-32 Wireless WiFi Bluetooth Module
  • 1 × P4 LED screen panel module
  • 1 × 10uF 25V Capacitor
  • 1 × 16 pin male header (2x8)
  • 1 × Power supply 5V 8A

  • 1
    Step 1

    Schematics / Assembly

    1. Solder the elements on the printed circuit board according to the circuit diagram, instructions and markings placed on the printed circuit board.
    2. Connect the WeMos MiniID1 ESP-32, 16 pin male header using soldering or connectors.
    3. Insert the ribbon cable that came with the display into the "Pout" connector on the PCB, insert the other end into the "Output" connector of the panel.
    4. Plug the power wire that came with the display into the power pins of the panel. Attach the power wires to the 2Pin screw terminals on the shield (Pay close attention to the polarity!)
    5. To download the sketch and files connect the device to the computer via USB cable.

    16 pin male header

    WeMos MiniID1 ESP-32

    Comment

    1

    R0

    IO2

    Red Data (columns 1-16)

    2

    G0

    IO215 (TDO)

    Green Data (columns 1-16)

    3

    B0

    IO24

    Blue Data (columns 1-16)

    4

    GND

    GND

    Ground

    5

    R1

    IO216/RX2

    Red Data (columns 17-32)

    6

    G1

    IO227

    Green Data (columns 17-32)

    7

    B1

    IO217/TX2

    Blue Data (columns 17-32)

    8

    E

    IO212 (TDI)

    Demux Input E for 64x64 panels

    9

    A

    IO25

    Demux Input A0

    10

    B

    IO218

    Demux Input A1

    11

    C

    IO219

    Demux Input A2

    12

    D

    IO221

    Demux Input E1, E3 (32x32 panels only)

    13

    CLK

    IO222

    LED Drivers' Clock

    14

    STB

    IO226

    LED Drivers' Latch

    15

    OE

    IO225

    LED Drivers' Output Enable

    16

    GND

    IO2GND

    Ground

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