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Highlights
- A single module can drive a common cathode 8 * 8 dot matrix
- Module Operating voltage : 5V
- Holes with four screws , diameter 3mm, can be fixed by using our M3 studs
- Modules with input and output interfaces , support cascading multiple modules
Specification
| General | |
|---|---|
| Model | MAX7219 |
| Quantity | 1 Piece |
| Specification | |
| Operating Voltage | 5V |
| Dimensions & Weight (Main Product) | |
| Dimension | 5x3.2x1.5 cm |
| Package Contents | |
| 1 x MAX7219 Dot matrix module | |
| 5 x Dupont lines | |
MAX7219 is an integrated serial input / output common-cathode display drivers,which connects the microprocessor 7-segment digital LED display with 8 digits,bar graph can also be connected monitor or 64 separate LED. Type B BCD encoder includes an on-chip,multi-channel scanning loop,segment word drive,but also a 8x8 static RAM for storing each data.Only one external register is used to set the segment current for each LED.
A convenient four-wire serial interface can connect all common microprocessors. Each data addressed in the update does not overwrite all of the display.MAX7219 also allows the user to select each of the data code or not coded.
The entire device includes a 150μA low-power shutdown mode,analog and digital brightness control.A scan-limit register allows the user to 1-8 bits of data.There is an LED light so that all the detection mode .
Requires only three IO ports can drive a dot!No flashing dot matrix display!Support cascade!
A single module can drive a common cathode 8*8 dot matrix
Holes with four screws,diameter 3mm.It can be fixed by using our M3 studs.With input and output interfaces,it supportscascading multiple modules
