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ESP32 C3 Super Mini RS485 Relay Expansion Board Smart Home IOT Simple PLC DC 9V 12V 24V 4AI-4DO 0-10V Analog Input with Shell
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ESP32 C3 Super Mini RS485 Relay Expansion Board Smart Home IOT Simple PLC DC 9V 12V 24V 4AI-4DO 0-10V Analog Input with Shell
Unlock endless possibilities for your ESP32 projects with the ESC3B04 expansion board, designed for WIFI smart control and more!
ESP32 C3 Super Mini RS485 Relay Expansion Board Smart Home IOT Simple PLC DC 9V 12V 24V 4AI-4DO 0-10V Analog Input with Shell
Item #: 138034820

ESP32 C3 Super Mini RS485 Relay Expansion Board Smart Home IOT Simple PLC DC 9V 12V 24V 4AI-4DO 0-10V Analog Input with Shell

Item #: 138034820

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Unlock endless possibilities for your ESP32 projects with the ESC3B04 expansion board, designed for WIFI smart control and more!
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What Stands Out

Compact Design
The ESP32 C3 Super Mini is designed for space-saving applications, making it suitable for various installations in smart homes and IoT systems without compromising on functionality.
Versatile Input/Output
With 4 analog inputs and 4 digital outputs, this board effectively addresses diverse automation needs, supporting seamless integration with various sensors and devices for enhanced control.
Wide Voltage Range
Operates on DC 9V to 24V, offering flexibility in power supply options. Ideal for various setups, it simplifies the installation process and enhances the board's compatibility with different devices.

Product Details

Shop ESP32 C3 Super Mini RS485 Relay Expansion Board Smart Home IOT Simple PLC DC 9V 12V 24V 4AI-4DO 0-10V Analog Input with Shell online at a best price in Sint Maarten. B0DM5GZLLG
Connector TypeThrough Hole
Current Rating165 Milliamps
Mounting TypeDIN Rail Mount
Operation ModeAutomatic
Brand Nameeletechsup
UPC765057029434
Part NumberESC3B04
Manufacturereletechsup
Included ComponentsOnly Board With Shell
Brandeletechsup
Item Weight0.8 lbs (360 grams)

Who Should Buy?

Suitable For
  • Smart Home Users

    Ideal for tech-savvy individuals looking to automate home devices and improve energy management efficiently.

  • Hobbyist Developers

    Useful for DIY enthusiasts who want to experiment with IoT projects and programmable logic controllers.

  • Industrial Applications

    Well-suited for small-scale industrial systems needing reliable control of devices and data acquisition.

Not Suitable For
  • Beginners

    Not suitable for beginners due to complex setup and programming requirements without prior experience in electronics.

Product Description

ESP32 C3 Super Mini RS485 Relay Expansion Board Smart Home IOT Simple PLC DC 9V 12V 24V 4AI-4DO 0-10V Analog Input with Shell

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What are the key features of the ESP32 C3 Super Mini RS485 Relay Expansion Board?

    Answer: The ESP32 C3 Super Mini RS485 Relay Expansion Board features Wi-Fi & Bluetooth connectivity, supporting both 9V, 12V, and 24V DC power inputs. It includes four analog inputs (AI) and four digital outputs (DO), offering a versatile platform for smart home and IoT applications. Additionally, it is equipped with a durable shell to protect the board from damage. This mix of connectivity options and input/output capabilities allows for complex automation setups, making it ideal for projects such as home automation systems, industrial control, and sensor data collection.
  • Question: How does the RS485 interface benefit communication in this relay board?

    Answer: The RS485 interface provides robust, differential signaling, allowing for long-distance communication (up to 4000 feet) with minimal noise interference. This is particularly useful in industrial settings or connections between devices spread over large areas. The ESP32 C3 Relay Board's RS485 capability ensures reliable communication in environments with potential electromagnetic interference, making it suitable for smart home systems and building automation where multiple devices need to communicate efficiently over significant distances.
  • Question: Can this relay board be integrated into existing smart home systems?

    Answer: Yes, the ESP32 C3 Super Mini Relay Board is designed for easy integration into existing smart home systems. Its compatibility with popular protocols like MQTT, combined with its Wi-Fi and Bluetooth support, enables seamless interaction with various smart devices. For instance, users can automate lighting, HVAC systems, or security setups by programming the relay outputs to be controlled through various platforms, enhancing home automation and allowing for a more streamlined smart environment.
  • Question: What kind of power supply is needed for the ESP32 C3 Relay Board?

    Answer: The ESP32 C3 Relay Board can be powered using a DC supply ranging from 9V to 24V, making it versatile for different applications. Users can select the voltage according to their system's needs. This flexibility allows it to be used in various projects, from tiny home automation setups powered by a 9V battery to larger installations managed with a 24V power supply, which might be necessary for heavy-duty applications.
  • Question: Is it possible to use multiple ESP32 C3 Relay Boards together in one system?

    Answer: Yes, you can use multiple ESP32 C3 Relay Boards in a single system to expand your smart home or IoT setup. By utilizing the RS485 communication protocol, multiple boards can interconnect, allowing for synchronized control across devices. This is particularly beneficial in larger installations where controlling various sensors and outputs in different locations is necessary. By deploying several boards, users can achieve comprehensive coverage and increased functionality.
  • Question: What types of sensors can be connected to the four analog inputs of the board?

    Answer: The four analog inputs on the ESP32 C3 Relay Board are designed to interface with a wide variety of sensors, including temperature sensors, light sensors, and voltage sensors. These inputs can read signals from devices that provide varying voltage levels (0-10V), allowing users to monitor environmental conditions or system statuses. This flexibility makes the board a powerful tool for creating responsive automation systems that can react to real-time data input from various sensors.
  • Question: Can I program the ESP32 C3 Relay Board for specific tasks?

    Answer: Absolutely! The ESP32 C3 Relay Board is programmable using popular environments like Arduino IDE or PlatformIO, allowing users to create custom scripts to control its behaviors. This versatility enables the board to perform specific tasks such as turning on/off a relay based on sensor input or triggering alerts when certain thresholds are met. The ability to write custom code provides endless opportunities for personalization in various projects and applications.
  • Question: What materials is the shell of the ESP32 C3 Relay Board made from?

    Answer: The shell of the ESP32 C3 Relay Board is typically constructed from durable plastic, designed to protect the electronic components from dust, moisture, and accidental damage during installation and operation. This protective casing ensures that the board can function reliably in various environments, including workshops, garages, or outdoor applications. An effective enclosure helps extend the life of the board and maintain consistent performance.
  • Question: Is there support available for beginners using the ESP32 C3 Relay Board?

    Answer: Yes, there is ample support available for beginners. The manufacturer and various online community forums provide documentation, tutorial videos, and sample projects that help users get started with the ESP32 C3 Relay Board. These resources cater to different skill levels, making it accessible for new users. Additionally, platforms like GitHub host community-driven projects, ensuring that users can learn from shared experiences and troubleshoot common issues.
  • Question: Where can I buy the ESP32 C3 Super Mini RS485 Relay Expansion Board?

    Answer: You can purchase the ESP32 C3 Super Mini RS485 Relay Expansion Board from Ubuy. Ubuy offers a range of electronic components, including this relay board for smart home and IoT applications. Shopping on Ubuy provides convenience and access to reliable options, ensuring you find the right product for your needs.

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Order now and get it around Sunday, September 20

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Features & Benefits

  • Designed for ESP32 projects with versatile functionalities.
  • Supports WIFI smart control switches and analog quantity acquisition.
  • Operates with DC 7-25V voltage for flexible applications.
  • Includes multiple inputs and outputs, perfect for comprehensive control.
  • Ideal for creating delay timers, voltage collection, and remote operations.
  • Compact size and lightweight design for easy integration.

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