Description
Phillip Screws Cross M2.5 (10pcs)
bolt
Phillip Screws Cross M2.5
$0.40 – $0.67
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$6.00HC-12 wireless serial port communication module is a new-generation multichannel embedded wireless data transmission module. Its wireless working frequency band is 433.4-473.0MHz, multiple channels can be set, with the stepping of 400 KHz, and there are totally 100 channels. The maximum transmitting power of module is 100mW (20dBm), the receiving […]
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Select options This product has multiple variants. The options may be chosen on the product page Quick View$6.00 – $7.00Select options This product has multiple variants. The options may be chosen on the product page -
$5.00The RC522 is a 13.56MHz RFID module that is based on the MFRC522 controller from NXP semiconductors. The module can supports I2C, SPI and UART and normally is shipped with a RFID card and key fob. It is commonly used in attendance systems and other person/object identification applications.
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