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74HC47 is a BCD to 7-segment latch/decoder/driver with four address inputs (A
Simple and practical model
to detect and measure wide range temperature
Heavy Metal
connect 4 digital outputs to the chip's address select pins (S0-S3)
RFID Reader (125Khz - UART) USB to Serial 74HC47 is a BCD toIntroduction : This 125KHz RFID module is designed for reading code from 125KHz card compatible read and read write card (tags). This RFID module comes with external antenna that can read cards (tags) up to 7cm. It is easy to use and is connected to microcontroller or Arduino through serial UART. It can be used in attendance systems, access control systems, parking management systems, food sales systems, electronic security systems, community
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