Bluetooth-Kabeladapter, hochwertiges Audiomodul mit Mikrofon für RCD-210 510 Music Car Streaming

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3A Mini DC-DC Buck Step Down Converter Board Module 5V-30V to 3.3V 5V 12V DC DC Voltage Regulator PCB Board Power Buck Module

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USR-ES1 W5500 Ethernet Network Module Hardware SPI to LAN/ Ethernet TCP / IP 51 / STM32 Microcontroller Program Over W5100

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ASR PRO2.0 Speech Recognition Module Development Board Offline Intelligent Speech Recognition Module Core Board Built in 2MB/4MB

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DC 3.7V 40KV Battery Integrated High-Power High-Voltage Module Boost Coil Strong Discharge Module Circuit Arc Generator