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The board comes with a preloaded bootloader with blink sketch and can be easily programmed using the Arduino IDE
Low resistivity
and notification to APP (used in anti-lost alarm)
The LEDs are driven by 16 output pins of 7219 IC
We need to bring the RFID tags near to the reader to read the unique identifier number associated with that RFID tag as it has a microchip with radio antenna mounted on a substrate which carries a unique 12-byte identifier
74HC194 4-bit universal bi-directional Shift Register Passives The board comes with aThe 74HC194 is a high speed 4 bit universal shift register with parallel load, left right shift, and clear functions. It operates on a wide voltage range (2V6V) and is ideal for data storage, transfer, and processing applications. Package Includes: 1 x 74HC194N Shift Register IC in DIP16 Package
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