![]() ![]() The IC has operating Voltage Range of 2.0 to 6.0 V. The shift register and latch have independent clock inputs, too. ![]() The shift register also puts up parallel data to the 8−bit latch. The IC directly interfaces with the SPI serial data port on today’s microcontrollers, accepts serial data and provides a serial output. FYQ-3641BH 4 digit 7-segment LED Display (or any other common-anode type) x1Īccording to datasheet, the 74HC595 IC consists of an 8−bit shift register and an 8-bit D-type latch with 3-state parallel outputs. ![]() Apart from a 5V power supply, the module requires just three I/Os of the microcontroller, and only one header is needed to connect power and data lines to the module. I have been using it with my Arduino microcontrollers since getting constructed. Here’s one simple circuit idea of a 4-digit 7-segment light emitting diode display module which can be driven by many microprocessors and development boards. ![]()
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