This 8 Digit Seven Segment Display Module takes advantage of the MAX7219 LED Display Driver IC to allow you to driver its 8 seven segment LED’s using just 3 digital pins. The display removes all the awkward things associated with driving seven segment displays such as multiplexing, refresh rates, current limiting etc. Not only that, headers situated at both ends of the module allow you to daisy-chain multiple modules together to make even longer displays.

MAX7219 LED Display Driver Features:-

– 10MHz Serial Interface
– Individual LED Segment Control
– Decode/No-Decode Digit Selection
– 150μA Low-Power Shutdown (Data Retained)
– Digital and Analog Brightness Control
– Display Blanked on Power-Up
– Drive Common-Cathode LED Display

-Operating Supply Voltage: 4.0V to 5.5V
-Operating Supply Current (RSET = open circuit): 8mA max.
-Display Scan Rate (8 digits scanned): 800Hz typ.
-Digit Drive Sink Current (V+ = 5V, VOUT = 0.65V): 320mA min.
-Digit Drive Source Current (Digit off, VDIGIT = (V+ – 0.3V): -2mA min.
-Segment Drive Sink Current (Segment off, VSEG = 0.3V): 5mA min.

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