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ESP32 Core Board Development Expansion Board Equipped with WROOM-32 Module
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  • $36.80 
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8-channel Digital Input Module RS485 Modbus RTU Switch Acquisition Board R4DIF08
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  • $42.76 
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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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  • $69.35 
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DC 5V 9V 12 24V 4 Channel bluetooth Relay Android Mobile Wireless Remote Control Switch
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  • $75.68 
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SYN6658 Chinese Speech Synthesis Module Text-to-speech TTS Voice Broadcast Live Pronunciation
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  • $63.89 
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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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  • $40.19 
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5pcs QF-RD21 5V Power-off Delay Disconnect Relay Module Timer Delay Switch Module
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  • $77.89 
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TTGO Raspberry Pi for LORA32 T-SX1302 868MHz LORA Concentrator LoRaWAN Gateway Module
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  • $149.63 
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Grove Base Shield V2.0 for Arduino Sensor Base Expansion Board
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  • $43.82 
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3pcs HC-06 HC06 Wireless Serial bluetooth RF Transceiver Module RS232 TTL
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  • $60.09 
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YX-20A 12V Battery Low Voltage Cut Off Auto Switch Controller Under-Voltage Protect Module YX811
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  • $33.88 
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HW-169A XD-204 Data Logger Module Logging Recorder Shield V1.0 for Arduino SD Card
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  • $41.20 
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