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50PCS 3020 is white light 3.0 X2.0 SMDLED SMD led super bright lights, highlighting
2PCS 1 one of the keyboard keys micro switch matrix single-chip microcomputer extended keyboard module
2PCS NE555 square wave pulse generator small rectangular wave frequency adjustable signal generator module
2PCS USB 3.1 TYPE-C female head test board with PCB 24P female connector adapter plate current conduction measurement
1PCS Micro pressure sensor weighing 5 kg 5 kg electronic support 51 STM32 YZC-13
2PCS SD card read/write module microcontroller SD SPI interface SD card socket SD card read/write module
100PCS 0402 led SMD1005 light bead patch red, yellow, green, blue and white orange light emitting diode
1PCS JDY-21 ultra-low power consumption bluetooth module bluetooth 4.2 serial passthrough BLE IPX antenna interface
1PCS Round of RS485 module 485 single-chip microcomputer TTL UART serial port level transfers between automatic flow control