MAX7219 LED multiplexing tutorial

The MAX7219 LED multiplexing chip can drive up to 64 individual LEDs. And in this tutorial we will learn how the MAX7219 works, what multiplexing is, and how you can use popular MAX7219-based modules to drive 7-segment displays and LED dot matrix displays with a PIC microcontroller. Let's go!

Thanks for watching, and let me know in the comments if you have any questions!

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Timestamps:

00:00 Introduction
00:33 Components needed for this tutorial
01:07 What is multiplexing?
02:07 How does the MAX7219 work?
04:10 How to control the MAX7219
06:00 Test circuit with a PIC microcontroller
06:36 Building the circuit
08:30 MAX7219-based 7-segment module
10:22 MAX7219-based dot matrix module
11:57 Conclusion

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