RC522 RFID Kit MFRC522 13.56 Mhz With S50 Tag/card Button Shield the plated holes are pre-tinned

the plated holes are pre-tinned and very solid which makes it very easy to solder components on

the IRQ line and the I2C lines

the higher the concentration

Alarm search command identifies and addresses devices whose temperature is outside of programmed limits (temperature alarm condition)

Pro Mini 328 Mini ATMEGA328P 3

RC522 RFID Kit MFRC522 13.56 Mhz With S50 Tag/card Button Shield the plated holes are pre-tinned13. 56MHz RFID module RC522 RFID Reader Writer module with RFID TAG S50 Fudan Card Key SPI Read Write for Uno R3 Mega2560 The MF522 AN module adopts MFRC522 original reader circuit chip design, easy to use, low cost, suitable for equipment development, development of advanced applications such reader users, the need for RF card terminal design production of the user. This module can be loaded directly into a variety of readers molds. Module uses