🎄 Onyehn 2pcs/Lots MAX7219 Dot Matrix Module (Red Light) 4 in 1 Display: Christmas Decoration DIY Letters Electronic Display for Arduino Microcontroller with 5Pin Line Review

This MAX7219 is RED, BRIGHT, great display and easy to use! If you are using the latest MD_MAX7219 {GitHub MajicDesigns/MD_MAX72XX} you may find that your display looks weird (see my picture)! Try adding this to your Arduino sketch: #define HARDWARE_TYPE MD_MAX72XX::ICSTATION_HW comment or remove any other of the above #defines ie. //#define HARDWARE_TYPE MD_MAX72XX::PAROLA_HW// Any output pins CS_PIN, MAX_DEVICES); Marco Colli made big changes to his code so many of the code samples you find…

Average price. Includes two 4 character displays. Very bright. Can easily be used as a replacement for an existing structure. The production seems solid. No problem chaining them. See other reviews for correct Arduino drivers.

These little puppies are made to please. The software that controls them can be easily downloaded and installed in the Arduino IDE. He also doesn't use many pens. Animates scrolling banners.

These modules work quite well. It took a while for them to work properly on the STM32 line of microcontrollers. There are several well-written libraries for these devices.

I used them for a small Arduino alarm clock project. The screens work great, they're easy to get up and running, and placing them behind tinted glass makes the effect even better. They draw a lot of current when on at full brightness, so I recommend connecting the 5V power supply directly to the shields - so they don't draw everything from the Arduino's USB port and at least a 2A power supply that gets hot will. . Since this project will keep the screens working all the time, I'll update the…

I'm new to the Arduino world and am really enjoying it. I am using an Onyehn matrix module with an Arduino Mega2560. It took some time to learn the pinout to get it working. Googling I was able to find some posts on the Arduino website where someone had similar problems. If you are using the MD_Max7219 library and ICSTATION_HW is not working, try this if you are using the Ardiuno Mega2560 board. Try this pinout if the program is using <SIP.h> and you are having trouble getting it. display

Each of these devices is 5" long, 1.25" tall and 0.5" thick. I used the code described by the devil man and modified the hardware description as he described. I made another change. This is the #define MAX_DEVICES 11 statement. By maximum devices, the code means each individual module in the module. Each module has 4 units. So MAX_DEVICES should be a multiple of 4. Since I used 4 modules I changed MAX_DEVICES to 16. Then I found that I get inconsistent results with modules connected by wires. I

The product arrived on time. I had to do some research to get it working, but it finally worked after finding the right configuration. It's not the type MD_MAX72XX::ICSTATION_HW as "Devil Man" suggested, but it might have gotten that type. The module I received is of the FC-16 type, which I discovered after removing one of the dot matrices from the socket. To do this, you must define #define HARDWARE_TYPE MD_MAX72XX::FC16_HW in your code before the Setup() function. Take a look at the attached…

I soldered both modules together with very short and stiff jumpers (removed the plastic and bent the pins 90 degrees) to make 1 long display. It works really well after I figured out how to set everything up correctly. I'll add them to my list of "nice and useful" Arduino accessories for future purchases! The only thing that could improve them would be if the seller just sent them out for free! :) I used NANO so your settings may vary slightly. I couldn't easily find the answers out there in…