Hiletgo 2Pcs Max7219 8 Digital Segment Digital Led Display Tube For Arduino 51/Avr/Stm32
$9.86
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$14.09
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Features: Max7219 Is An Integrated Serial Input / Output Common-Cathode Display Drivers, Which Connects The Microprocessor And 8 Digit 7-Segment Digital Led Display, You Can Also Connect A Bar Graph Display Or 64 Separate Led. Includes An On-Chip Type B Bcd Encoders, Multi-Channel Scanning Loop, Segment Word Driver, But Also A 8X8 Static Ram That Stores Each Data. Only One External Register Is Used To Set The Current Of Each Led Segment. A Convenient Four-Wire Serial Interface Can Connect All Common Microprocessor. Each Data Can Be Addressed In The Update Without Rewriting All Displays. Max7219 Also Allows The User To Select Each Data Encoding Or No Coding. The Entire Device Includes A 150A Low-Power Shutdown Mode, Analog And Digital Brightness Control, A Scan-Limit Register Allows The User To Display 1-8 Bit Data, There Is An All Led Light Detection Mode. Only Need Three Io Ports Can Drive Eight Digital Tube! Pcv Board Four Corners Of The Fixed Copper Stud, Which Can Effectively Precent Short Circuit Accidents Happen 0.36 Inch And Four Digital Tube One Common Cathode Led The Module Compatible Of 5V/3.3V Microcontroller(51/Avr/Stm32...) Wiring Instructions (A Program, For Example, You Can Pick Any Io Port Definition Can Be Modified In The Program): Vcc: 5V,Gnd: Gnd, Din: P00, Cs: P01, Clk: P02 Vcc And Gnd Do Not Reversed, It Would Burn The Chip 51 Mcu P0 Port Requires Pull-Up Resistor, If Your Device Does Not Have A Pull-Up Resistor Can Be Connected To Other Ports Data Lines Note: 1.Vcc And Gnd Do Not Reversed, It Would Burn The Chip 2.51 Mcu P0 Port Requires Pull-Up Resistor, If Your Device Does Not Have A Pull-Up Resistor Can Be Connected To Other Ports Data Lines
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Frequently Asked Questions
Q: What is the maximum voltage that the HiLetgo MAX7219 LED display module can handle?A: The HiLetgo MAX7219 LED display module is compatible with both 5V and 3.3V microcontrollers, so it should be powered accordingly without exceeding these voltage limits.
Q: How do I connect the MAX7219 module to my Arduino?A: To connect the MAX7219 module to your Arduino, wire it as follows: VCC to 5V, GND to GND, DIN to a digital pin (e.g., P00), CS to another digital pin (e.g., P01), and CLK to a digital pin (e.g., P02). Ensure that VCC and GND are not reversed to prevent damage.
Q: Can I use the MAX7219 with other microcontrollers besides Arduino?A: Yes, the MAX7219 module is compatible with various microcontrollers, including 51/AVR and STM32, making it versatile for different projects.
Q: What features does the MAX7219 offer for display control?A: The MAX7219 offers features such as flicker-free displays, multi-channel scanning, brightness control, and the ability to cascade multiple displays. It also includes a low-power shutdown mode.
Q: Is there a specific programming library I should use with the MAX7219 for Arduino?A: Yes, using a library such as the LedControl or MD_MAX72XX library can simplify programming the MAX7219 with Arduino, allowing for easier control of the LED display.
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