1PCS NEW Customization of the voice announcement module#XY

1PCS NEW Tap the sensor module KY-031#XY

1PCS NEW JDY-31 SPP-C Bluetooth to Serial Port Adapter Module Set#XY

1PCS NEW The power board transformer incorporates a built-in driver module#XY

CH347 high-speed programmer module 24 EEPROM 25 SPI FALSH supports TTL NEW

1PCS NEW JDY-31 SPP-C Bluetooth to Serial Port Adapter Module Set#XY

1PCS NEW JDY-23 Bluetooth 5.0 Module#XY