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Alkaline Battery (LR44)
Rated current:
Dimensions: <30mm x 20mm
The BMP085 is a high-accuracy chip to detect barometric pressure and temperature
Using the LM393 wide voltage comparator
RFID Mini Module 13.56MHz Read-Write Card Chip MF RC522 Rectifier Alkaline Battery (LR44)Introduction : MF RC522 is a high integration read write card chip used in 13. 56MHz contactless communication. A low voltage, low cost, small sized contactless card reader chip for three table applications is a smart meter. And a better for the development of portable handheld devices. The MF RC522 utilizes advanced modulation and demodulation and fully integrates all types of passive contactless communication methods and protocols at 13. 56 MHz.
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