HCW-M421 Module De Minuterie Avec Relais Multifonction DC 6V~30V Time Delay Rela

*HW-521B 1-Channel Timer Relay Module Function and Usage**

HW-521B 1-Channel Timer Relay Module is an advanced timer relay module used in various automatic control systems. It is a timer-based switching device that is capable of turning on or off a circuit after a specified time. This module operates at a 6V to 30V DC operating voltage and can easily accept power supply using a Type-C USB-C interface. It is an important component of a smart home controller system that helps in automatically controlling various electrical devices.
### **Key Features**
1. **Timing Function**: The HW-521B relay module is used to turn on or off a circuit after a specified time. It supports various delay modes, which can be configured according to user needs.
2. **LED Display**: It has an LED display that displays the current time settings, operating status and other important information.
3. **Usability**: This module is very suitable for home automation, smart control systems, industrial control, motor start/stop, and other timer-based applications.
4. **Type-C USB-C Power Supply**: It can be easily powered by a charger or power bank due to its Type-C interface.
5. **Controllable Relay Output**: It is capable of controlling the switching of high-power electrical appliances through its 1-channel relay output.
6. **Smart Home Integration**: It can be automatically integrated with smart home systems, so that automatic lighting, fans, or other devices can be turned on and off at specified intervals.
7. **Cycle Timer Mode**: This module can be used to turn on and off repeatedly at specified intervals, which is an important feature for automation systems.

### **Working Process**
The HW-521B relay module is designed to power on and off for a specific period of time. When the timer is set, it automatically turns the device on or off after the specified time. This makes it useful for all applications where automatic timing switching is required.

This module has a programmable timer option, which allows the user to set a delay for a specific period of time. For example, if you want a light to turn off after 10 seconds, it can be set easily.

### **Applications**
This timer relay module can be used in various fields. These include:
– **Smart Home Control**: Automatic switching on and off of lighting, fans, motors, etc.
– **Industrial Automation**: Machine control, timer-based switching in production lines.
– **Solar and Energy Systems**: Control of automatic charging and discharging systems.
– **Electrical safety system**: Shutting off the power supply after a specified time.
– **Aquarium and incubator system**: Controlling temperature and humidity at a specified time interval.
### **Conclusion**
The HW-521B 1-Channel Timer Relay Module is a versatile and effective automatic switching device that is suitable for use in a variety of applications. Its timing function, LED display, and easy setup feature make it ideal for smart home and industrial automation. It can be used to control the operation of electrical devices more efficiently and conveniently.