ALAMSCN MAX7219 Dot Matrix Module 32x8 4 in 1 LED Display Modules for Arduino Raspberry Pi Microcontroller with 5Pin Wires Green (Pack of 2)

ALAMSCN MAX7219 Dot Matrix Module 32x8 4 in 1 LED Display Modules for Arduino Raspberry Pi Microcontroller with 5Pin Wires Green (Pack of 2)

$ 12.99

Score By Feature

Based on 27 ratings

Delivery

8.25

Value for money

8.30

Satisfaction

8.66

Customer service

8.44

OveReview Final Score

How Our Score Is Calculated

Product Description

With the MAX7219, microprocessors (Ps) are interfaced to 7-segment numeric LED displays of up to 8 digits, bar graph displays, or 64 individual LEDs. It has serial input and output capabilities.

In addition to the programmable BCD decoder, multiplex scan circuitry, segment and digit drivers, and an 8x8 static RAM that stores each digit, the chip also includes the following components.

LEDs are able to be set with the segment current only by one resistor external to each LED. Using only three wires, a convenient serial port allows connection to all common Ps. can be addressed and updated, but the entire display does not need to be updated.

Additionally, the MAX7219 allows users to select whether or not they want to decode code B

Devices include a low-power shutdown mode which consumes only 150 watts, analog and digital brightness control, and a scan limit register that displays from 1 to 8 digits in any order, as well as a test mode that forces all LEDs to turn

Questions & Answers

Is it equipped with as many 8x8 matrixes as possible?

There are four blocks of 8x8 each in a module. To connect the two modules, you must wire them However, they're not just born to be together. In order to solidify the pins, you will have to solidify them. Without the use of an auxiliary power supply, I was able to run both modules as a scrolling display using a raspberry pi zero. A 5V gpio output was taken up by the vcc with no problem. There is no way I know if I would need to add an outside power source at that point if I added more.

What is the power consumption of this display? Do you need a resistor to run it? (Is it consuming a lot of current?

The Raspberry Pi is capable of running two of these without a resistor using a 5V supply and a 2A power supply. A 5 amp supply is required.

Selected User Reviews For ALAMSCN MAX7219 Dot Matrix Module 32x8 4 in 1 LED Display Modules for Arduino Raspberry Pi Microcontroller with 5Pin Wires Green (Pack of 2)

A non-profit organization This unit is equipped with a diffused LED matrix

3/5

In this image, we see 8x8 matrices that have been diffused. Part number 1088AG is used for the diffused matrix of most modules. This part number is AYG which is a matrix for these. There is no diffused light, but they both have the same brightness. This is just one of 2 of these units that I purchased to display with red for the holidays. I have red ones, but these do not match them. I purchased Red, Blue, and Green units from another vendor here on Amazon and they were labelled with the expected part numbers. A red-colored block of text This item is 1088AS*Blue The color is 1088AB
Green This is 1088AG*br*.

Henley Ware

| Nov 26, 2020

It is easy to use and can be mounted on the back

5/5

Their bright light and ease of use make them ideal for use. Intensity 2 of 15 is what I am using. My understanding is that brighter settings would be used for something else. The only thing I wish was that they weren't back-mounted, as I want to mount them on the top This is just a new part to make.

Marlowe HOWELLS

| Jan 12, 2021

There is a marquee and a clock

5/5

I find this to be with an Arduino Nano so that I could create a scrolling marquee for displaying a message and a real time clock (RTC) to show the time and date.