The 7-Segment Serial Display turns the thirteen pins necessary to control a 4-digit seven segment display into just one or three. The display will give you full control of all digits, decimal points, the colon and the apostrophe.
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At the heart of the display is an ATMega328 which controls all the serial communications and the 4-digit 7-segment display through an easy to use API.
The Serial 7-Segment Display can be controlled in one of two ways: (1) serial TTL communication or (2) SPI serial communication. Regardless of which method you use to communicate with the display, the display is controlled with 4-byte packets and special 2-byte commands.
New for version 2: The input and power pins have been moved to the top of the display, allowing you to place the displays side-by-side. Additional characters have been added, including the "-". A reset display command and single character control have also been added. See the new User's manual below for detailed information about all of the new features!