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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
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series 1
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top saler
OPMSA04 Input 3.3-5V NPN Output 4CH DC 3.3-24V 0-2kHz PWM Signal Amplifier NPN/PNP Logic Level Converter LED Driver 5A IO Current Amplifier
US$7.59
N4DSB03 1-2CH RS485 Digital Temperature Collector Module -55 to +125C DS18B20 Sensor DC 5V 12V 24V for Thermostat Smart Home R46CA01
US$3.99
OPMSD16 PNP Input 3.3-5V NPN Output 16CH DC 3.3-24V 5A MOS Solid State Relay Module Din Rail Mount NPN/PNP PLC IO Signal Amplifier for Motor Relay LED
US$23.99
OPMSB08 PNP Input 3.3-5V NPN Output 8CH DC 3.3-24V 0-2kHz PWM Signal Amplifier NPN/PNP Logic Level Converter LED Driver 5A IO Current Amplifier
US$13.99
RT4AE01 VHF/UHF Radio Modem 433M/RS485/RS232/USB Wireless Transceiver Serial Data Long-Distance Transmission Module
US$19.99
N4VIA02 5A Multifunctional RS485 Ammeter & Voltmeter 0-30V Voltage & 0-5A Current Measurement Module Modbus RTU
US$7.99
New Products [more]
N4DOK32 12V 32ch 03 06 16 Modbus RTU RS485 SPDT Relay Switch Module UART Serial port Module DIN Rail Box PLC IO expanding board
US$39.99
ND4012DA Low 10W 2 Channels Multiple Switching Power Supply Module 3.3V 5V 12V Dual Output DC DC Step-Down Buck Converter Board
US$1.99
ND4012DA High 10W 2 Channels Multiple Switching Power Supply Module 3.3V 5V 12V Dual Output DC DC Step-Down Buck Converter Board
US$1.99
N4D8B08 DC 12V 8I8O Multifunction Modbus RTU Relay Module Support 03 06 16 Function Code RS485 Switch Control Board DIN35 Rail Box
US$16.99
N4D8B08 DC 12V 8I8O Multifunction Modbus RTU Relay Module Support 03 06 16 Function Code RS485 Switch Control Board DIN35 Rail Box
US$17.99
N4DOK32 24V 32ch 03 06 16 Modbus RTU RS485 SPDT Relay Switch Module UART Serial port Module DIN Rail Box PLC IO expanding board
US$39.99
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SDLA12TB 3A 12V 1-1000AH MPPT Solar Panel Controller Charging Module For 12V 1-1000AH Lead Acid Battery UPS Storage Battery Car
US$3.79
SDLA12TA 3A 12V 1-1000AH MPPT Solar Panel Controller Charging Module For 12V 1-1000AH Lead Acid Battery UPS Storage Battery Car
US$3.99
IO25B01 DC 6V-24V Flip-Flop Latch Relay Module Bistable Self-locking Switch Low Pulse Trigger Board For Arduino Smart Home LED
US$2.99
CE032 DC 5V-12V Motor Reversible Controller Time adjustable Delay Relay Switch 2A Drive Current 5000s 0.1setp
US$3.99
IO15A01 2.5V-6V 6A Flip-Flop Latch Bistable Self-locking Trigger Switch Module For Arduino Breadboard MCU Board LED Motor
US$2.99
DD28CRTA 1A 3.7V-18.5V Lithium ion LiFePO4 Lithium Titanate Batterie Charger Charging Module
US$3.99
N4IOA01 DC 12V 24V RS485 to 4-20MA 0-20MA Current Signal Generator PWM To Current Analog Converter Modbus RTU 03 06 DAC Module
US$3.99
IO23C01 DC 12V 30A Multifunction Timer Delay Relay Module High Power On/Off Adjustable For PLC Motor LED Car
US$6.99
IO23C01 DC24V 30A Multifunction Timer Delay Relay Module High Power On/Off Adjustable For PLC Motor LED Car
US$6.99
ND0533MA Mini 2A 3.7V 4.2V 4.5V 5V To 3.3V DC DC Buck Step Down Converter Voltage Regulator Module
US$1.29
LC25A01 12V Water Level Automatic Controller Liquid Sensor Switch For Motor Solenoid Valve Relay Home Automation Smart Home
US$1.99
SL91A01 DC 2-18V 2A Bistable self-locking Switch Board LED Controller Touch Electronic Relay Module
US$1.99
DD04CPMA 3.7V 4.2V 3A Li-ion Lithium Battery Charger Over Charge Discharge Overcurrent Protection Module For 18650 TP4056 DD05CVSA
US$0.99
N4DIG08 8CH Input/Output UART RS485 Modbus RTU Controller PLC Expansion Module For Arduino UNO MEGA NANO STM32 AVR PIC
US$4.19
N4DIG08 8CH Input/Output UART RS485 Modbus RTU Controller PLC Expansion Module For Arduino UNO MEGA NANO STM32 AVR PIC
US$4.39
N4DIG08 8CH Input/Output UART RS485 Modbus RTU Controller PLC Expansion Module For Arduino UNO MEGA NANO STM32 AVR PIC
US$3.99
DD39AJPB 20W Boost-Buck Dual Output Voltage 3.6-30V to +-3-30V Adjustable DC DC Step-up Boost-Buck Converter Module
US$3.99
DD39AJPA 20W Boost-Buck Dual Output Voltage 3.6-30V to +-3-30V Adjustable DC DC Step-up Boost-Buck Converter Module
US$3.99
LD06AJSA DC 3-6V 0.03-1.5A Adjustable LED Driver PWM Controller DC-DC Constant Current Converter For Arduino MEGA2560 Breadboard
US$1.99
LD06AJSB DC 3-6V 0.03-1.5A Adjustable LED Driver PWM Controller DC-DC Constant Current Converter For Arduino MEGA2560 Breadboard
US$1.99
LD24AJTA DC 9V 12V 18V 24V 20W 30-900mA Adjustable LED Driver PWM Controller DC-DC Step-down Constant Current Converter
US$1.99
PS47E01 DC 24V LED Digital Relay Switch Control Board Relay Module Voltage Detection Charging Discharge Monitor Test
US$4.99
PS47E01 DC 12V LED Digital Relay Switch Control Board Relay Module Voltage Detection Charging Discharge Monitor Test
US$4.99
FM13A01 76-108MHz FM broadcasting Radio Dual Channel Stereo Audio Receiver Module For Earphone Headset Speaker
US$4.99
IO58F02 30A DC 24V Power Brushed Motor Overload Overcurrent Short Circuit Protector Module Forward Reverse Controller
US$13.99
IO58F02 20A DC 12V Power Brushed Motor Overload Overcurrent Short Circuit Protector Module Forward Reverse Controller
US$13.99
IO58F02 20A DC 24V Power Brushed Motor Overload Overcurrent Short Circuit Protector Module Forward Reverse Controller
US$13.99
IO58F02 30A DC 12V Power Brushed Motor Overload Overcurrent Short Circuit Protector Module Forward Reverse Controller
US$13.99
PWM9B03 3 CH DC 12V 24V PWM Function Signal Generator 20Hz-1MHZ Requency Duty Cycle Square Wave Pulse Adjustable Module
US$4.99
AMDOC16 DC 12V 24V 16DO RS485 Isolated Communication Switch Digital Output MODBUS RTU PLC Expansion Board
US$22.99
N228D02 DC 24V 2CH DB9 UART Relay Module RS232 Serial Port Switch Board For PC PLC Motor LED PTZ
US$4.99
N228D02 DC 12V 2CH DB9 UART Relay Module RS232 Serial Port Switch Board For PC PLC Motor LED PTZ
US$4.99
BT37E04 4 Ch DC 12V For Android Bluetooth-Compatible Relay 2.4G RF Remote control IOT Module Command customization Switch Board
US$14.99
BT37E04 4 Ch DC 5V For Android Bluetooth-Compatible Relay 2.4G RF Remote control IOT Module Command customization Switch Board
US$14.99
OPTLB03 Industrial Grade RS485 To TTL232 RXD TXD R/D Isolated Communication Surge Protection Module For Arduino PLC ESP8266
US$1.99
OPTLB03 Industrial Grade RS485 To TTL232 RXD TXD R/D Isolated Communication Surge Protection Module For Arduino PLC ESP8266
US$1.99
CCUPS01 Power-OFF Protection Automatic Switching Module UPS Emergency Cut-off Battery Power Supply 6V-60V Control Board
US$3.99
CCUPS01 Power-OFF Protection Automatic Switching Module UPS Emergency Cut-off Battery Power Supply 6V-60V Control Board
US$4.29
AMIOA08 DC 12V 24V 8DI-8DO RS485 Isolated Communication Digital Input and Output MODBUS RTU PLC Module
US$26.99
DB9MB03 Male Riveting DB9 DR9 DE9 Female Male Adapter to 3Pin in Signals Terminal Breakout Board Riveting Teeth Sleeve Nut For Arudino MEGA PLC
US$1.99
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