Relay Module Manuals & User Guides

ELEC Lifes Modbus RTU 4CH Relay Module Owner’s Manual

October 16, 2026

ELEC Lifes Modbus RTU 4CH Relay Module Overview The four-way Modbus relay module uses an 8-bit MCU with RS485 (Modbus RTU) communication to detect 4 optocoupler input signals and control 4 relay outputs for digital detection or power control applications.…

Brand: ELEC Lifes

diymore ESP12F Single MOS Switch Module Owner’s Manual

October 16, 2026

diymore ESP12F Single MOS Switch Module Description Mature and stable ESP-12F (ESP8266MOD) module on board, large-capacity 32Mbit SPI Flash. ESP-12F module I / O port and UART program download port all lead out, convenient for secondary development On-board RST reset…

Brand: Diymore

Walfront DC5-12V Time Delay Relay Module Instruction Manual

October 16, 2026

Features: Momentary on, delayed off design: the module adopts the switch momentary on trigger delay mode to ensure that the equipment is automatically disconnected after stable operation in a specific period of time. Adjustable time, flexible adaptation: through the built-in…

Brand: WALFRONT

occkic BM412 Human Presence Relay Module User Manual

October 16, 2026

occkic BM412 Human Presence Relay Module User Manual Product features: 1. Support sensitivity adjustment and delay switch adjustment; 2. Stable performance, supporting human infrared sensing; 3. Supports dual mode switching and selection through jumper caps; 4. Relay delay switch knob,…

Brand: occkic

Waveshare ESP32-S3-Relay-6CH 6-Channel ESP32-S3 WiFi Relay Module Instructions

October 16, 2026

Waveshare ESP32-S3-Relay-6CH 6-Channel ESP32-S3 WiFi Relay Module Overview ESP32-S3-Relay-6CH is a relay control product with multiple development options (Arduino IDE and MicroPython). The documentation emphasizes electrical safety, correct matching of relay and load ratings, and confirming/resetting relay status after power-on.…

Brand: WAVESHARE

DIYables ESP32 Relay Module User Manual

October 15, 2026

DIYables ESP32 Relay Module Features Optional 4-channel or 8-channel relay configuration for flexible adaptation to diverse scenarios. Integrated CH340 chip enables one-click programming via Type-C interface. Opto-isolated input/output ensures robust interference resistance and stable operation. Supports Modbus protocol for compatibility…

Brand: DIYables

Generic HW-316 4 Channel Relay Module User Manual

October 15, 2026

User Manual Specification Features: Optional 4-channel or 8-channel relay for flexible adaptation to various scenarios. Built-in CH340 chip enables one-click programming via Type-C interface. Optocoupler input/output isolation ensures strong anti-interference capability and stable operation. Supports Modbus protocol for compatibility with…

Brand: Generic

Aideepen 4 Channel Inching Relay Module User Manual

October 15, 2026

Aideepen 4 Channel Inching Relay Module User Manual Features: Multi voltage input: Supports DC/AC 7~32V and USB 5V, compatible with various power environments. Dual wireless control: WIFI 2.4GHz and 433MHz RF remote control, flexible and convenient operation. High power load:…

Brand: Aideepen

GlobalGo 1 Channel USB Relay Module User Manual

October 15, 2026

GlobalGo 1 Channel USB Relay Module Overview This 1-channel USB-controlled relay board uses USB HID technology. It is designed for easy Windows use without driver installation, and includes a control application plus a C++ development library to help integrate relay…

Brand: GlobalGo

Sinum PS-08m 230 DIN Rail Relay Module User Manual

October 14, 2026

PS-08m 230 www.sinum.eu The PS-08m 230V module is an electronic device dedicated for underfloor heating system. It is equipped with 8 independent voltage relays enabling the user to control 8 independent devices. It is designed to be mounted on a…

Brand: Sinum