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During the 2022 🐉Chinese National Day🏮 holiday from Sep 29 to Oct 8, orders paid after Sep 28 will be shipped after Oct 9.


Brand: CQRobot
PN532 is a highly integrated non-contact read-write chip, which contains the 80C51 microcontroller core (this 8051 user cannot program it, it is a low-level communication protocol stack for built-in NFC), which integrates each of the 13.56MHz an active / passive contactless communication method and ..
Ex Tax:$12.99
Brand: CQRobot
Relay is an automatic switching element with isolation function, which is widely used in remote control, telemetry, communication, automatic control, mechatronics and power electronic equipment, and is one of the most important control elements. The traditional relay module has complicated wiring an..
Ex Tax:$9.99
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