The 16 channel 12 V Relay module board is used to control high voltage and current load. It provides 16 relays for its use (we can control 16 application with this single board). It is good in safety with wide range of controllable voltage. It is mostly used for MUC control, in industrial sector, smart home control and many more. It has led for relay status.

The 8 channel 5V Relay module board is used to control high voltage and current load . It provides 8 relays for its use( we can control 8 application with this single board). It is good in safety with wide range of controllable voltage. It is Ideal for single chip microcomputer, household appliance control, etc. It has led indicator for power and status in-bulit. In this when jumper is connected to low pin the low level is trigger and when connected to high pin high level is trigger.

The two channel solid state relay module has many no moving parts .It is faster, reliable and has longer life than of traditional mechanical relay. The two channels can be controlled separately. It can be used in various areas such as computer peripheral interface , temperature/speed adjustment etc.

The 4 channel 5V Relay module board is used to control high voltage and current load . It provides 4 relays for its use. It is good in safety with wide range of controllable voltage. It is Ideal for single chip microcomputer, household appliance control, etc. It has led indicator for power and status in-bulit. In this when jumper is connected to low pin the low level is trigger and when connected to high pin high level is trigger.

These 1 Channel 24V Relay Modules offer a 30AMP switching current at up to 240V AC or up to 30V DC, but are controlled with a common 24V DC coil voltage. This means that you can integrate almost any other Hobbyist Electronics into your 24V powered project without hassle, and you could even choose to mix in some AC voltages as well so that you can also switch basic home appliances and other AC goods without being too concerned about that AC escaping into your DC circuit.

The 24V 30A 1-Channel Relay Module is a high-power switching module designed to control large electrical loads using low-power control signals. It features optocoupler isolation, which enhances safety and protects sensitive control circuits from high-voltage spikes and electrical noise.This is an easy-to-use 1-channel relay board that operates on 24V. Use it to control one 240V power appliance directly from microcontrollers or low-voltage circuits. Perfect for switching high-power 240V appliances - lights, fans, etc, and even high-power motors at lower voltages.

Key Features:

•  High Power Switching: Supports up to 30A at 250V AC, making it suitable for heavy-duty applications.
•  Optocoupler Isolation: Ensures electrical separation between the control circuit and the relay, reducing interference and protecting the microcontroller.
•  Wide Compatibility: Works with 24V DC control systems, including industrial controllers, sensors, and automation devices.
•  LED Indicators: Built-in LED indicators provide visual feedback for power and relay operation.
•  Durable and Reliable: Features a high-quality relay with long lifespan and strong mechanical contacts.
•  Protection Circuitry: Includes a flyback diode to protect against voltage spikes from the relay coil.
• The onboard jumper can set the module's high-level or low-level trigger input

The Delay Module is a DC 12 V Trigger Switch Delay Timer And Switch Relay Module. It has various features like: - High-quality power relay module, High-power and high-voltage transistor, Red and Green signal lights, Double-sided PCB board, Stable performance etc, that can be widely used in a variety of power control occasions. It can be applicable in various applications like: - Robotics, Automotive lamp delay, Intelligent product development,  Automation equipment, PLC development, Intelligent home, Burglar alarm delay and many more.

1. The 2 channel 5V Relay module board is used to control 2 applications with same board and it has  high voltage and current load such as motor lamp. It is good in safety with wide range of controllable voltage. It is Ideal for single chip microcomputer, household appliance control, etc.It has led indicator for power and status in-bulit. In this when jumper is connected to low pin the low level is trigger and when connected to high pin high level is trigger.

A solid start relay kind of mechanical relay that allows to control high – voltage AC loads from lower voltage DC control circuitry. It can be triggered at low level. It has stable performance with LED in-built.

The 12V 30A 1-Channel Relay Module is a high-power switching module designed for controlling large electrical loads using a 12V DC control signal. It features optocoupler isolation, ensuring electrical safety and protecting sensitive control circuits from high-voltage spikes and noise. This module is suitable for industrial automation, home automation, motor control, and high-power switching applications.

Key Features:

•  High Power Switching: Supports up to 30A at 250V AC, making it suitable for heavy-duty applications.
•  Optocoupler Isolation: Ensures electrical separation between the control circuit and the relay, reducing interference and protecting the microcontroller.
•  Wide Compatibility: Works with 12V DC control systems, including industrial controllers, sensors, and automation devices.
•  LED Indicators: Built-in LED indicators provide visual feedback for power and relay operation.
•  Durable and Reliable: Features a high-quality relay with long lifespan and strong mechanical contacts.
•  Protection Circuitry: Includes a flyback diode to protect against voltage spikes from the relay coil.
• The onboard jumper can set the module's high-level or low-level trigger input

The 5V 30A 1-Channel Relay Module is a high-power switching module designed to control large electrical loads using low-power control signals. It features optocoupler isolation, which enhances safety and protects sensitive control circuits from high-voltage spikes and electrical noise.This is an easy-to-use 1-channel relay board that operates on 5V. Use it to control one 240V power appliance directly from microcontrollers or low-voltage circuits. Perfect for switching high-power 240V appliances - lights, fans, etc, and even high-power motors at lower voltages.

Key Features:

•  High Power Switching: Supports up to 30A at 250V AC, making it suitable for heavy-duty applications.
•  Optocoupler Isolation: Ensures electrical separation between the control circuit and the relay, reducing interference and protecting the microcontroller.
•  Wide Compatibility: Works with 5V DC control systems, including industrial controllers, sensors, and automation devices.
•  LED Indicators: Built-in LED indicators provide visual feedback for power and relay operation.
•  Durable and Reliable: Features a high-quality relay with long lifespan and strong mechanical contacts.
•  Protection Circuitry: Includes a flyback diode to protect against voltage spikes from the relay coil.
• The onboard jumper can set the module's high-level or low-level trigger input

The XH-M131 is a 12V light detection sensor module that uses a photoresistor (LDR) to detect light levels and control a relay based on the brightness threshold. It's commonly used for automatic lighting systems, solar tracking, and smart home applications.

Features:

•  Adjustable Threshold: The module allows you to set the light threshold using a potentiometer. You can fine-tune the sensitivity to match your specific requirements.
•  Relay Switch: Depending on the intensity of light, the module can switch an AC or DC load on/off. It comes with normally closed (NC), normally open (NO), and common (COM) ports for easy connectivity.
•  Load Capacity: The relay can handle a maximum current of 10A at AC 250V or DC 30V.
•  LED Indicators: The module features LED indicators for both the relay status and power supply.
•  Stable Operation: With a 12V supply voltage, the XH-M131 ensures stable and reliable performance.