ESC3E05 4-Channel Relay Module for ESP32-C3 Super Mini, RS485 Modbus RTU, Wi-Fi BLE IoT Controller, Simple PLC Shield for Arduino

ESP32 S3 Expansion Board WiFi MQTT IoT Sensors Relay ESS3B18

ESS3A22 ESP32-S3 RS485 WiFi Relay Module 4-20mA 0-10V Analog Input Smart Home PLC Controller

ESS3H32 ESP32-S3 Industrial I/O Expansion Board 16CH NPN Input 16CH MOS Output RS485 PWM Driver PLC Automation Module

ET69C02 Ethernet to RS485 Modbus Gateway – RJ45 to RS485 Converter with MQTT TCP/IP Support for PLC SCADA Industrial IoT

ETAIC04 ETVOD08 ETIOE16 Ethernet Remote IO Module – 4/8/16CH 10A Relay Modbus TCP RTU MQTT with RS485 DIN Rail for PLC SCADA

ETD8A12 12-Channel Modbus Relay Module – 2-in-1 Ethernet/RS485 Network Controller with 12 DIO for PLC PTZ Camera LED Automation

ETHUB18 8-Port RS485 Hub – Industrial Serial Server with Modbus TCP RTU to MQTT Gateway for PLC Automation

FM13A01 76-108MHz FM Stereo Radio Module – RDA5807 Audio Receiver Board with 3.5mm Jack for Arduino DIY Speaker Headphone

IO15B01 6A DC 3V 3.3V 3.7V 5V Electronic Switch Latch Bistable Self-locking Trigger Module for Solar Panel

IO22A02 2CH 10A Multifunction Delay Timer Relay – DC 12V 6-Mode Programmable Timer Switch with 99H Range for PLC LED Motor Control

IO22C04 12VDC 24V 4Ch Pro mini PLC Board Relay Shield Module for Arduno diy Delay Timer

IO22C04 5V 12V 24V Pro mini PLC Board for Arduino LED Cycle Delay Timing Timer Relay diy

IO23C01 8CH 30A High Power Relay Module – DC24V Multifunction Timer Delay Switch for PLC Motor Pump LED Control & Equipment Test

IO25E08 8CH Multifunction Relay Module – DC 5V/12V/24V Power Conditioner Sequencer with Interlock Latch Self-locking Momentary Modes

IO26G04 4CH Multifunction Delay Relay Module – DC 5V/12V/24V Timer Switch with Flip-Flop Latch Self-Locking Interlock for PLC Power Sequencer

IO32G01 20A DC 12V Car ACC Trigger Delay Power-Off Relay Module – Timing Switch for Dashcam Stereo Ambient Light Vehicle Accessories

IO32G01_NC DC 12V ACC Trigger Delay Power-Off Relay Module – 20A Timing Switch for Dashcam Stereo Ambient Light Car Accessories

IO34H02 AC Time Delay Relay Module – 110V/120V/220V 50-60Hz DIP Switch Programmable Timer for Light Fan Pump Automatic Door Control

IO54C01 DR51D01 0-3A Stepper Motor Controller – PWM Pulse Speed Drive Module with Forward/Reverse for 3D Printer CNC Screw Slider Accessories

IO61A02 DC 12V 24V 30A Relay Multifunction Motor Forward Reverse Controller with Limit Driver Module for Garage Door Crane Elevator

KC23C01 Multifunction Pulse Counter Relay Module – DC 5V 12V 24V Programmable Timer Delay Switch with 12 Modes 10A Output for PLC Automation

LC35D01 30A Automatic Water Level Controller Pump Relay / 304 Stainless Steel Sensor Probe DC 12V 24V AC 220V For Tower Pool Dam