A converter is a device that converts one signal into another. A signal is a form or carrier of information. In automated instrumentation and automatic control systems, one signal is often converted into another signal that is compared with a standard or reference quantity in order to connect the two types of instruments. Therefore, a converter is often the intermediate link between two instruments (or devices).
[Attachment: MAX7219 data multiplexer adds cursor function to LED]
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MAX7219 driver, a commonly used chip for single-chip microcomputers
MAX7219 is a serial input/output common cathode digital tube display driver chip produced by MAXIM. One MAX7219 can drive 8 7-segment (8 segments including decimal point) digital LEDs, LED bar graph displays, or 64 discrete LED light-emitting diodes. The chip has a 10MHz transmission rate three-wire serial interface t
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