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UART 485/232/TTL
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RS485 Modues & relays
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Wireless RS485/RS232 series 1
Current Voltage ADC Collector
RS485 Relays
Others
Digital Collection Module
Pressure Weight Sensor
Temperature and Humidity Transmitter Detection Sensor
RS232 Modues & relays
USB programmer
others
TTL232
ESP32 Board
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Positive negative power modules
UPS Modules
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Battery Charge Board
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Expansion Board
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Bistable Self-locking Electronic Switch
Signal Generator
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series 1
DTMF Relay
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Wiress RF FSK Zigbee ASK
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ASK Modules
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RT4AE01 USB RJ45 to RS232 UART Wireless Transceiver RF Serial Port Data Passthrough 868M
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PS9DC01 15A DC 6-30V Lead-acid NiMH LiFePO4 Li-ION Li-PO LiFe polymer lithium battery discharge protection board Module
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R223C16 16ch DC 12V Serial Port DB9 UART RS232 Relay Module for PLC PC Com 3D Printer LED Home lighting Motor
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DD08CRMB_MINI Trickle/Constant Current/Constant Voltage Multifunctional Lithium Battery Charge Manager 1A 4.2V Li-ion/Li-Po Charger DD08CRMB
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R223B01 1CH DC12V PC COM DB9 RS232 Serial Port Delay Relay ARM MCU UART Switch Module For PLC 3D Printer LED Motor
US$5.99
LD24AJTA DC 12V 24V LED Dimming Control 0-910MA Constant Current Adjustable PWM LED Driver Module LD24AJTA_MINI Board for Arduino ESP32
US$0.99
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Wiress RF FSK Zigbee ASK
Wireless RFID
Wireless RFID
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1 pcs TB458 RFID S50 IC 13.56M Card
US$0.99
RFIDA02 RS485 UART 13.56MHz RFID Reader Writer RC522 CV520 NFC UID IC Card For Arduino For Uno Mega pi
US$13.99
RFIDA02 TTL 232 UART 13.56MHz RFID Reader Writer RC522 CV520 NFC UID IC Card For Arduino For Uno Mega pi
US$13.99
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