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ALAMSCN MAX7219 Dot Matrix Module 32x8 4 in 1 LED Display Modules for Arduino Raspberry Pi Microcontroller with 5Pin Wires Red (Pack of 2)
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ALAMSCN MAX7219 Dot Matrix Module 32x8 4 in 1 LED Features
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The MAX7219 is compact, serial input/output common-cathode display drivers that interface microprocessors (µPs) to 7-segment numeric LED displays of up to 8 digits, bar-graph displays, or 64 individual LEDs.
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Included on-chip are a BCD code-B decoder, multiplex scan circuitry, segment and digit drivers, and an 8x8 static RAM that stores each digit.
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Only one external resistor is required to set the segment current for all LEDs. A convenient 3-wire serial interface connects to all common µPs. Individual digits may be addressed and updated without rewriting the entire display.
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The MAX7219 also allow the user to select code B decoding or no-decode for each digit.
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The devices include a 150µA low-power shutdown mode, analog and digital brightness control, a scan limit register that allows the user to display from 1 to 8 digits, and a test mode that forces all LEDs on.
About ALAMSCN MAX7219 Dot Matrix Module 32x8 4 In 1 LED
Features: 1.10MHz Serial Interface 2. Individual LED Segment Control 3. Decode/No-Decode Digit Selection 4. 150µA Low-Power Shutdown (Data Retained) 5. Digital and Analog Brightness Control 6. Display Blanked on Power-Up 7. Drive Common-Cathode LED Display 8. 24-Pin DIP and SO Packages Parameters: 1. A single module can drive a total of 8 * 8 dot matrix overcast 2. Working voltage: 5V 3. Size: *12.8 cm*3.2 cm *1.3 cm (L*W*H) 4. With 64 fixing screw holes, diameter 3mm 5. module with input and output interfaces, support for cascading multiple modules Applications Bar-Graph Displays 7-Segment Displays Industrial Controllers Panel Meters LED Matrix Displays Wiring instructions: 1. The left side of the module as an input port, an output port on the right. 2. If a single control module, simply input port connected to CPU 3. cascading multiple modules, input and output termination CPU, input the output end of the second module of the first module, the first two modules of the first three input termination module, and so on. 51 microcontrollers, for example: VCC → 5V GND → GND DIN → P2.2 CS → P2.1 CLK → P2.0 Package included: 2x MAX7219 32x8 LED Matrix 4-in-1 Module (Red) 2x 20CM Dupont line 5Pin (2 colors random)
