MAX7219 is an integrated serial input / output common-cathode display drivers , which connects the microprocessor 7-segment digital LED display with 8 digits , bar graph can also be connected monitor or 64 separate LED. On type B BCD encoder includes an on-chip , multi-channel scanning loop , segment word drive, but also a 8x8 static RAM for storing each data . Only one external register is used to set the segment current for each LED .
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<br />Package Contents: 1 x MAX7219 dot matrix module<p> <b><b><img src="https://contestimg.wish.com/api/webimage/5831d558168b544c7aec6e34-large.jpg"><img src="https://contestimg.wish.com/api/webimage/5831d558168b544c7aec6e34-3-large.jpg"><img src="https://contestimg.wish.com/api/webimage/5831d558168b544c7aec6e34-4-large.jpg></b></b></p>