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A 64 by 32 RGB LED matrix clock board with 2048 LEDs and Pico header

WaveShare

WaveShare RGB Matrix Digital Clock 64×32 2048 LEDs for Pico

SKU CH-CJEZ-XJF4V

A 64×32 RGB LED matrix clock for Raspberry Pi Pico with 2048 LEDs, DS3231 RTC, auto brightness, temperature display, alarm and IR remote control

  • CPU TypeOther
  • 64×32 matrix with 2048 RGB LEDs renders crisp text and images
  • DS3231 real-time clock keeps time to 2100 with battery backup
  • Auto brightness from onboard photosensor adapts to ambient light
  • Built-in buzzer and IR receiver enable alarms and remote control
  • Open-source Pico tutorials accelerate custom clock development

Raspberry Pi Pico RGB Clock

The WaveShare RGB Matrix Digital Clock is a 64×32 pixel display with 2048 RGB LEDs built for the Raspberry Pi Pico. It mounts the Pico directly and supports compatible expansion modules. Onboard features include a DS3231 RTC, photosensor, buzzer, IR receiver and tactile buttons for standalone operation.

DS3231 Real-Time Clock Accuracy

The integrated DS3231 RTC provides timekeeping with leap-year compensation valid up to 2100. It tracks seconds, minutes, hours, date, month, day of week and year. A backup battery holder with included cell maintains the clock when main power is removed. The chip also reports temperature with ±3°C accuracy.

Auto Brightness and Low Power Draw

An embedded photosensor adjusts LED brightness automatically to match ambient light levels, reducing glare and power consumption in dim conditions. The 3 mm pitch P3 panel drives 2048 LEDs directly from the Pico without a separate driver board. Open-source code and tutorials are supplied for rapid development.

Highlights

  • 64×32 matrix with 2048 RGB LEDs renders crisp text and images
  • DS3231 real-time clock keeps time to 2100 with battery backup
  • Auto brightness from onboard photosensor adapts to ambient light
  • Built-in buzzer and IR receiver enable alarms and remote control
  • Open-source Pico tutorials accelerate custom clock development

Specifications

CPU TypeOther

Questions about this item

What does the 64×32 pixel count mean for text and graphics on the panel?

The panel has 64 columns by 32 rows, giving 2048 individually addressable RGB LEDs. This resolution suits scrolling text, simple icons and basic animations on a compact display.

How does the DS3231 RTC connect to the Pico and what time data does it keep?

The onboard DS3231 communicates over I²C and maintains seconds, minutes, hours, date, month, day of week and year with leap-year compensation up to 2100 in 12- or 24-hour format.

How is the Raspberry Pi Pico attached to the board?

The board provides a direct header that mates with the Pico’s castellated pins, allowing the microcontroller to plug in without extra wiring or soldering.

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