MAX7219 Dot Matrix Module (Set of 8)

Scrolling text display with eight 8 x 8 LED dot matrix displays (512 LEDs in total).

Built around an ESP-12F Wi-Fi module (ESP8266-based) programmed in the Arduino IDE.

ESP8266 web server allows control of displayed text, scroll delay and brightness with a mobile phone or other Wi-Fi-connected (portable) device.

Features

• 10 MHz Serial Interface
• Individual LED Segment Control
• Decode/No-Decode Digit Selection
• 150 µA Low-Power Shutdown (Data Retained)
• Digital and Analog Brightness Control
• Display Blanked on Power-Up
• Drive Common-Cathode LED Display
• Slew-Rate Limited Segment Drivers for Lower EMI (MAX7221)
• SPI, QSPI, MICROWIRE Serial Interface (MAX7221)
• 24-Pin DIP and SO Packages