Involvement:General (knows how to use it) - Ownership:1 day to 1 week Pros:I'd say that this is a reasonable price for this module. The chip is MAX7219 which can be used with the arduino board. I used the library called "LedControlMS" link in instructables.com. The library allow you to cascade multiple of this module to create a cool m... Read more
Involvement:Expert (understands the inner workings) - Ownership:1 day to 1 week Pros:Thanks to readily available libraries and examples for the MAX7219 chip, this matrix was very easy to use. I was able to cascade two matrices. I don't see any reason why more won't work. Probably willl need to add power supply after 3 or 4. The supplied wire is... Read more
Involvement:Expert (understands the inner workings) - Ownership:more than 1 month Pros:- It is inexpensive, compared to the real MAX7219 - it Works with Arduino using the MAX7219/7221 libraries - there are plenty of libraries to choose from - it takes the hassle of assembling the board from your hands (which is a little troublesome, since there... Read more
Involvement:Expert (understands the inner workings) - Ownership:1 week to 1 month Pros:Even though it's a bit more expensive than the parts them self, the fact that you receive a pre-made and tested module of good quality may prove more advantageous. The board itself contains the LED matrix, the 2 capacitors critical for correct operation, and t... Read more
Involvement:Expert (understands the inner workings) - Ownership:1 week to 1 month Pros:Well built over all, solders are solid, pcb is good strong material. Same specification and working quality as kit that I buy on DX too. You got with display 5 wires. Nice. Cons:Very usefull will be if you add just little instructions. No text, just illustrati... Read more
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