This is the 5V variant of the 5V Modbus RTU 1Channel Relay Module Input Optocoupler Isolation RS485 MCU for Arduino in Relay Modules. Available at ₹345.74 (₹293.00 + GST) with free shipping across India.
LC 1 channel Modbus relay module equipped with mature and stable 8-bit MCU and RS485 level communication chip, adopt standard MODBUS RTU format RS485 communication protocol, It can realize 1-way input signal detection and 1-way relay output, can be used for digital detection or power control occasions.
Features:
- .Modbus serial communication
- Relay switching output
- Convenient AT command control
Application:
- Supports all MCU control.
- The industrial field.
- PLC control.
- Smart home control.
| Product Name | 1 Bit Modbus RTU Relay Module |
|---|---|
| Working Voltage | DC 5V |
| Working Current | 1A |
| Working Temperature Range (°C) | -25 to 85 |
| Working Humidity Range | 5%~95%RH |
| Shipping Weight | 0.03 kg |
| Shipping Dimensions | 13 × 9 × 1 cm |
Package Includes:
1 x 5V Modbus RTU 1 Channel Relay Module Input Optocoupler Isolation RS485 MCU for Arduino
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Read More →Technical Specifications
| Brand | Arduino |
|---|---|
| Operating Voltage | 5V |
| Channels | 1-channel |
| Interface / Protocol | RS485 |
| SKU | AI3819 |
| Weight | 0.03 kg |
| Availability | In Stock |
Applications & Use Cases
The 5V Modbus RTU 1Channel Relay Module Input Optocoupler Isolation RS485 MCU for Arduino is a versatile relay modules used across a wide range of applications including home automation, industrial control, IoT projects, Arduino/Raspberry Pi interfacing, and motor control.
Common use cases:
- Switching high-voltage AC appliances with a microcontroller
- Building a smart home relay board
- Automating irrigation pumps in agriculture
This product is ideal for electronics engineers, IoT developers, and automation hobbyists.
Technical Tip: Use optocoupler-isolated relay modules to protect your microcontroller. Match relay coil voltage to your MCU logic level (3.3V or 5V).
Shipping & Delivery
- Free shipping on orders above ₹999 across India
- Dispatched within 1-3 business days
- Expected delivery: 3-7 business days depending on location
- Secure packaging to ensure safe transit of electronic components
- Genuine Arduino product sourced from authorized channels
Sarika Kulkarni (verified owner) –
Excellent 5V Modbus RTU 1Channel Relay Module! Built a weather station with this. Everything works as expected.
Rajesh Gupta (verified owner) –
Good 5V Modbus RTU 1Channel Relay Module. Took a while to get the drivers working but board itself is solid.
Vaishali Shah –
Great quality 5V Modbus RTU 1Channel Relay Module. Uploaded my first sketch and it worked flawlessly. Ideal for beginners.
Suresh Reddy –
Bought multiple units of this 5V Modbus RTU 1Channel Relay Module. All working great. Best store for Arduino components.
Paras Grewal (verified owner) –
Using this 5V Modbus RTU 1Channel Relay Module for my smart farming project. Reliable and easy to interface.
Vinay Gupta (verified owner) –
Good 5V Modbus RTU 1Channel Relay Module. Took a while to get the drivers working but board itself is solid.
Kavya Vyas (verified owner) –
Pretty good 5V Modbus RTU 1Channel Relay Module. Compatible with most libraries. Happy with the purchase.
Kunal Luthra –
Excellent 5V Modbus RTU 1Channel Relay Module! Built a weather station with this. Everything works as expected.
Uday Arora –
This 5V Modbus RTU 1Channel Relay Module is genuine quality. My students love working with it in our robotics lab.
Anjali Modi –
Excellent 5V Modbus RTU 1Channel Relay Module! Built a weather station with this. Everything works as expected.
Utkarsh Dubey –
Perfect 5V Modbus RTU 1Channel Relay Module for IoT projects. Easy to set up and program. Great documentation available online.
Sachin Srivastava (verified owner) –
Average quality 5V Modbus RTU 1Channel Relay Module. Functional but packaging was minimal.
Harsh Dubey (verified owner) –
Great quality 5V Modbus RTU 1Channel Relay Module. Uploaded my first sketch and it worked flawlessly. Ideal for beginners.
Sanya Arora (verified owner) –
Pretty good 5V Modbus RTU 1Channel Relay Module. Compatible with most libraries. Happy with the purchase.
Ayush Mishra (verified owner) –
Great 5V Modbus RTU 1Channel Relay Module for my college mini project. Got good marks thanks to this working perfectly!
Yogesh Srivastava (verified owner) –
Using this 5V Modbus RTU 1Channel Relay Module for my smart farming project. Reliable and easy to interface.
Vaishali Garg –
Bought multiple units of this 5V Modbus RTU 1Channel Relay Module. All working great. Best store for Arduino components.
Kapil Patel (verified owner) –
Great quality 5V Modbus RTU 1Channel Relay Module. Uploaded my first sketch and it worked flawlessly. Ideal for beginners.