Electronics

5pcs DC 12V Relay Controller Soil Moisture Humidity Sensor Module Automatically Watering

5pcs 5V 2 Channel Relay Module Control Board With Optocoupler Protection

10pcs 5V 2 Channel Relay Module Control Board With Optocoupler Protection

3pcs 5V 2 Channel Relay Module Control Board With Optocoupler Protection

2pcs 12CH 12V IO Card PLC Signal Amplifier Board NPN to PNP Mutual Input Optocoupler Isolation Transistor Output Relay Module

3pcs 8CH 24V IO Card PLC Signal Amplifier Board NPN to PNP Mutual Input Optocoupler Isolation Transistor Output Relay Module

5pcs 6-24V 8CH Channel RS485 Module Modbus RTU Protocol AT Command Multi-function Relay PLC Control Board

10pcs 6-24V 8CH Channel RS485 Module Modbus RTU Protocol AT Command Multi-function Relay PLC Control Board

3pcs 6-24V 8CH Channel RS485 Module Modbus RTU Protocol AT Command Multi-function Relay PLC Control Board

Quad USB Isolator USB HUB Isolation Module Coupling Protection Board ADUM3160

Dual Modbus-Rtu 2-way Relay Module Switch Input and Output RS485/TTL Communication Controller

Modbus RTU 7-24V Relay Module RS485/TTL 1-way Input and Output with Anti-reverse Protection

YYC-4 One Channel Multifunction Cycle Adjustable Timer Relay Automation Control Switch Module 220V

YF-4 0.1S-999H Adjustable Cycle Delay Timer Relay Module with Digital Display Timing Delay Board 12V DC

YYB-3 220V 2-Channel Relay Board Motor Driver Shield Board 0.1S-999H Adjustable 30A Relay Module with LED Display

YYW-1S Temperature Control Relay Module Temperature Controller Switch Detection Board Industrial Equipment 30A 6-36V DC

YYD-4 Double MOS Timer Relay Module 2 Channel Cycle Delay Timing Relay for Control Solenoid Valve Water Pump Switch

YYD-5 Adjustable Delay Power OFF Module Delay Timer Relay Board 5V 12V 24V DC Delay Relay Module

YYE-1 5V/12V/24V RS232 Serial Port Control Relay Module MCU MAX232 USB Control Switch Board

YYE-2 RS232 Adjustable UART Serial Port Remote Control 2 Channel Relay Module MCU PC Control Switch Board

YYE-3 USB Control Relay Module CH340 MCU PC Control Switch PLC Jog Self-locking Board

YYI-2 5V/12V/24V Current Detection Module Current Limit Overcurrent Motor Blocking Protection Board Current Sensor Relay Board

YYLOCK-2 5V/12V/24V High Power Relay Module Self-locking Power-off Delay On Off Pulse Signal Relay

YYS-4 3 Channel Programmable Relay Control Module Trigger Delay/Timer/Self-latching/Interlock Switch Relay Board

YYS-1 Programmable 4 Channel LED Relay Module Signal Trigger Delay Timer Relay PLC Controller

YF-15 Delay Intermittent Cycle Countdown Controller Module 7-27V DC Countdown Timer Programmable Cycle Control Module

YYC-7 Time Delay Relay Module Signal Cycle Timing Switch Timer Relay 3V 3.7V 4.5V 5V 6V 7.4V

2 in 1 DC 5V 8Channel USB Serial Port Relay Module UART RS232 TTL Switch Board CH340 for Windows Linux MAX OS

DC 5V 12V 24V 8 Channel Multifunction Power Conditioner DIP Switch Delay Interlock Latch Self-locking Momentary Relay Module

2CH Channel Optocoupler Isolation Relay Module 5V/12V/24V SCM PLC Signal Amplifier Board