Matrix LED Dsiplay 32x8 module, MAX7219 4-in-1 dot-matrix display High sensitivity Modular Interface: Input section: DC

Modular Interface: Input section: DC +: positive power supply (by relay voltage power supply) DC-: connect power negative CH: relay module signal to trigger the end (high level trigger effective)

If there is an environment in which the flammable gas sensor

OLED Driver IC: SSD1306

This product is easy and convenient to use

Matrix LED Dsiplay 32x8 module, MAX7219 4-in-1 dot-matrix display High sensitivity Modular Interface: Input section: DCMAX7219 is an integrated serial input output common cathode display driver, it is connected to a microprocessor and an 8 digit 7 segment LED display. It includes an on chip B type BCD encoder, multi channel scanning loop, segment word driver, and an 8*8 static RAM for storing each data. Only one external register is used to set the segment current of each LED. Features: 10MHz Serial Interface Individual LED Segment Control Decode No Decode Digit