Bright Red LED chip, which is made from AlGaAs on GaAs substrate Blackface and RED LED segments Type: Common cathode No. of Pins: 18 Low Current Consumption High Brightness
Bright 2R3Y4G1B LED chip, which is made from AlGaAs on GaAs substrate Blackface and 2R3Y4G1B LED segments Type: Common cathode No. of Pins: 20 Low Current Consumption High Brightness
Bright Blue LED chip, which is made from AlGaAs on GaAs substrate Blackface and BLUE LED segments Type: Common cathode No. of Pins: 20 Low Current Consumption High Brightness
Bright Green LED chip, which is made from AlGaAs on GaAs substrate Blackface and GREEN LED segments Type: Common cathode No. of Pins: 20 Low Current Consumption High Brightness
Power: 5V Color?Red/Blue(This color means the color of the board, not the LED) This module is compatible with 5V and 3.3V microcontrollers. Material: PCB + Electronic Components
The MAX7219 has integrates a convenient four wire serial interface that can be used to all micro-controller, microprocessor. Each on-chip data can be addressed in the update without rewriting all display, and also allows you to select each data encoding or no-coding.
Operating voltage: 3.3 V to 5.5 V, typical 5 V Operating current: 0.2 mA to 80 mA, typical 27 mA 4 digit numeric display LED color: Red 8 adjustable luminance levels Grove compatible interface
264kB of embedded SRAM in six banks Six dedicated IO for SPI Flash (supporting XIP) 30 multifunction GPIO Dedicated hardware for commonly used peripherals
