BigClock - Professional LED Matrix Clock
Professional LED Matrix Clock System with RGB 128×32 pixel display based on ESP32-S3
BigClock BC-ESP32S3-M128X32
- RGB LED Matrix 128×32 pixel display
- 16-bit color (65,536 colors)
- 4 configurable display modes
- ESP32-S3 dual-core microcontroller
- DS3231 RTC with ±2ppm accuracy
- Dual-band WiFi 802.11 b/g/n
- Adjustable brightness 0-255 levels
- 100W switching power supply (5V/20A)
- Firmware upgradable via OTA
BigClock BC-ESP32S3-M128X32
BigClock is an advanced professional clock system based on ESP32-S3 microcontroller with RGB 128×32 pixel LED matrix display. Specifically designed for broadcast applications, TV studios and professional environments requiring maximum time precision and reliable visualization. The system uses a Real Time Clock (RTC) DS3231 with ±2ppm accuracy to maintain exact time even without network connection, while NTP synchronization guarantees millisecond-level accuracy when connected. The integrated web interface allows complete configuration of 4 display modes, color customization and advanced WiFi network management with support for static IP and customizable timezones.
Request a Quote
Technical Specifications
BigClock BC-ESP32S3-M128X32
Display
- RGB LED Matrix 128×32 pixel (2×64×32)
- Active display area: 256×64mm
- Color depth: 16-bit (65,536 colors)
- Adjustable brightness: 0-255 levels
- 4 configurable display modes
Hardware
- Microcontroller: ESP32-S3 dual-core
- RTC: DS3231 with ±2ppm accuracy
- Enclosure: Professional PETG (370×71×56mm)
- Mounting distance: 342mm between hole centers
- Weight: 866g
Connectivity
- WiFi 802.11 b/g/n dual-band
- Integrated Access Point for configuration
- NTP v4 protocol
- Static IP configuration support
Power Supply
- External switching power supply: 100W (5V/20A)
- Input voltage: 110V-220V AC with IEC connector
- Efficiency: >90% at rated load
- Protections: Overvoltage, overcurrent, short-circuit, overtemperature
Display Modes
- Layout 0: Standard Mode (HH:MM + seconds + date + indicators)
- Layout 1: Time Only Mode (HH:MM maximum contrast)
- Layout 2: Time + Seconds Mode (HH:MM + seconds + reduced date)
- Layout 3: Extended Data Mode (all time information)
Software
- Configuration via web interface
- Automatic daylight saving time management
- Customizable timezone (POSIX)
- Firmware updates via OTA (Over-The-Air)
- Integrated Access Point for initial configuration
Installation
- Wall mounting via two top holes
- Enclosure dimensions: optimized for professional installations
- Automatic boot sequence (15-25 seconds total)
- Factory reset via P1 and P2 buttons (4 seconds)
Compliance
- CE, RoHS compliant
- EMC Directive 2014/30/EU
- Low Voltage Directive 2014/35/EU
- Designed for professional use in controlled environments