DIYables

2-Channel Relay Module 5V for Arduino, ESP32, ESP8266, Raspberry Pi Optocoupler Isolation, High/Low Level Trigger 2 Pieces

Control up to 2 devices with ease!

DIYables

Item #: 223982419

2-Channel Relay Module 5V for Arduino, ESP32, ESP8266, Raspberry Pi Optocoupler Isolation, High/Low Level Trigger 2 Pieces

Item #: 223982419

€ 7

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Control up to 2 devices with ease!

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Note: Step 1 Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

Product Details

3 pieces of 5V 1-channel relay modules
Compatible with Arduino, ESP32, ESP8266, Raspberry Pi
Supports Normally Open and Normally Closed configurations
Selectable High-level or Low-Level trigger by jumper
Optocoupler isolation for enhanced safety
LED indicators for power and relay status

Connector Type	Screw
Contact Type	Normally Open, Normally Closed
Operation Mode	Automatic
Coil Voltage	5 Volts
Maximum Switching Voltage	5 Volts
Specification Met	[A]
Contact Material	Silver
Brand Name	DIYables
Part Number	DIY-RELAY-5V-2C-LH-2
Model	DIY-RELAY-5V-2C-LH-2
Manufacturer	DIYables
Brand	DIYables
Item Weight	0.4 lbs (180 grams)

Product Description

2-Channel Relay Module 5V for Arduino, ESP32, ESP8266, Raspberry Pi Optocoupler Isolation, High/Low Level Trigger 2 Pieces

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Customer Questions & Answers

Question: What is a 2-Channel Relay Module and how does it work?

Answer: A 2-Channel Relay Module is an electronic device that allows you to control high voltage appliances (like lights and motors) using low voltage signals from microcontrollers such as Arduino, ESP32 or Raspberry Pi. It operates by using an electromagnetic switch to open or close the circuit. This means you can program your microcontroller to turn devices on or off remotely. For instance, you can set up an automated home lighting system, where the lights turn on/off based on sensor inputs or time schedules.
Question: Can I use the relay module with Raspberry Pi?

Answer: Yes, the 2-Channel Relay Module is fully compatible with Raspberry Pi. You can connect the GPIO pins from the Raspberry Pi to the relay module, allowing it to control devices. This setup provides a reliable way to manage power-hungry devices without risking damage to your Raspberry Pi. For example, you could control a lamp or a fan based on temperature readings from a sensor connected to your Raspberry Pi.
Question: What voltage does the 2-Channel Relay Module operate on?

Answer: The 2-Channel Relay Module operates at 5VDC, making it suitable for use with most microcontrollers including Arduino, ESP32, and ESP8266. This voltage level ensures safe operation and compatibility with various devices. This is particularly useful for DIY projects where you want to control AC appliances without using high voltage directly across your microcontroller. For illustration, hobbyists often use these modules in automated irrigation systems to water plants based on moisture levels.
Question: How do I connect a 2-Channel Relay Module to an Arduino?

Answer: To connect the 2-Channel Relay Module to an Arduino, first, connect the VCC pin on the relay to the Arduino's 5V output. Then, connect the GND pin of the relay to the GND on the Arduino. Finally, connect the signal pins (IN1 and IN2) from the relay to the digital pins on the Arduino. This connection allows the Arduino to send control signals to the relay, enabling you to manage external devices. Use this setup to create various projects, such as smart home automation where you control gadgets remotely.
Question: What can I control with this relay module?

Answer: You can control a wide range of devices with the 2-Channel Relay Module, including lights, fans, heaters, and other AC appliances. Since it can switch high voltage up to 10A, it’s perfect for home automation projects. For example, users often set it up to turn on outdoor lights when it gets dark or to automate garden sprinklers based on time intervals or soil moisture levels, enhancing convenience and efficiency in daily activities.
Question: Are there any safety precautions I should take when using the relay module?

Answer: Yes, while using the 2-Channel Relay Module, ensure to follow safety precautions like isolating high voltage connections from low voltage components. Always confirm that the power is off before connecting or disconnecting devices. Furthermore, use proper casing to avoid accidental touch of high voltage terminals. This precaution is vital when incorporating the relay in projects such as home automation to prevent short circuits or electrical shocks.
Question: How do I program the relay module using Arduino?

Answer: To program the relay module using Arduino, write a sketch to control the connected pins based on desired actions. Use functions like digitalWrite() to set pins HIGH or LOW to turn the relays on or off. Libraries may also be utilized for more straightforward implementations. For instance, you could design a program that turns on a fan when a temperature sensor indicates overheating, making it perfect for temperature-sensitive environments.
Question: Can this relay module handle multiple devices?

Answer: Yes, the 2-Channel Relay Module can independently control two devices simultaneously. Each relay can operate a separate appliance, making it ideal for applications requiring dual-channel control. You can configure it to manage two separate high voltage loads such as lighting and a heater from a single microcontroller unit. For example, you can set up a system to turn on a porch light when you arrive home while also starting a home brewing setup.
Question: Is the relay module suitable for automation projects?

Answer: Absolutely! The 2-Channel Relay Module is perfect for various automation projects, from smart home setups to industrial applications. Its ability to control devices with low voltage signals makes it a key component in creating automated control systems, such as garden irrigation or automated window blinds. You can integrate it with sensors and controllers to respond to changing conditions automatically.
Question: Where can I buy a 2-Channel Relay Module 5V for Arduino, ESP32, ESP8266, Raspberry Pi in Aland Islands?

Answer: You can purchase the 2-Channel Relay Module 5V for Arduino, ESP32, ESP8266, Raspberry Pi at Ubuy, a reliable online platform offering a wide variety of electronic components. Their extensive selection and user-friendly interface make it easy to find the products you need for your projects.

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Pros

Easy to use with Arduino
Supports multiple platforms
Provides optocoupler isolation
Compact design
Low power consumption

Cons

Limited documentation available.

Product Price History

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€ 7