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R221A08 8CH Serial Port Relay Module DB9 UART RS232 Remote Control Switch 12V DC for Smart Home
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ESP32 industrial-grade industrial control host PLC integrated programmable controller Fanless single network port 485 serial port
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  • $338.19 
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  • $336.99 - $338.19
CH341T V3 2 IN 1 Module 3.3V 5V USB to I2C IIC UART USB to TTL Single-Chip Serial Port Downloader
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The Raspberry Pi Debug Probe USB serial port debugger is plug-and-play
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  • $35.88 
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AI Voice Recognition Module Voice Broadcast Integrated Custom Wake-up Word Programmable Sound Sensor Support Jetson/Raspberry Pi/ESP32/STM32
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  • $37.99 
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