--- product_id: 79633110 title: "SeeKool 5V 4-Channel Relay Module Control Board with Optocoupler for Arduino UNO R3 Kit MEGA 2560 Project 1280 DSP ARM PIC AVR STM32 Raspberry Pi" brand: "seekool" price: "β‚Ή 95" currency: INR in_stock: false url: https://www.desertcart.in/products/79633110-seekool-5v-4-channel-relay-module-control-board-with-optocoupler store_origin: IN region: India --- # 10A High-Current Relay LED Status Indicators 4-Channel Control SeeKool 5V 4-Channel Relay Module Control Board with Optocoupler for Arduino UNO R3 Kit MEGA 2560 Project 1280 DSP ARM PIC AVR STM32 Raspberry Pi **Brand:** seekool **Price:** β‚Ή 95 **Availability:** ❌ Out of Stock ## Summary > πŸ”§ Unleash Your Creativity with SeeKool's Relay Module! ## Quick Answers - **What is this?** SeeKool 5V 4-Channel Relay Module Control Board with Optocoupler for Arduino UNO R3 Kit MEGA 2560 Project 1280 DSP ARM PIC AVR STM32 Raspberry Pi by seekool - **How much does it cost?** β‚Ή 95 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.in](https://www.desertcart.in/products/79633110-seekool-5v-4-channel-relay-module-control-board-with-optocoupler) ## Best For - seekool enthusiasts ## Why This Product - Trusted seekool brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Durable Build:** Crafted from high-quality PCB for long-lasting reliability. - β€’ **Versatile Control:** Select between relay and TTL or ground with a simple jumper. - β€’ **Powerful Performance:** Handles up to AC250V 10A and DC30V 10A effortlessly. - β€’ **Seamless Integration:** Easily connects with Arduino, Raspberry Pi, and more! - β€’ **User-Friendly Design:** Indication LEDs keep you informed of relay status. ## Overview The SeeKool 5V 4-Channel Relay Module is a robust control board designed for seamless integration with various microcontrollers, including Arduino and Raspberry Pi. With its durable PCB construction and high-current relay capabilities, this module is perfect for DIY projects requiring reliable switching and control. Each relay features both normally open and normally closed contacts, along with clear LED indicators for easy monitoring. ## Description The item is a professional and practical 5V 4-channel relay shield module interface board with optocoupler, which can be controlled directly by a wide range of microcontrollers such for Arduino, AVR, PIC, ARM, etc. It plays a role of automatic adjustment, safety protection and converter in a circuit. Working voltage: 5V Channel:4 channel Application： Supports all MCU control. The industrial field. PLC control. Smart home control. Package Content : 1 x 4-Channel Relay Module ## Features - Color: mainly blue. Material: durable hard PCB board. 5V 4-Channel Relay interface board, each one needs 15-20mA Driver Current; Equiped with high-current relay, AC250V 10A ; DC30V 10A - Standard interface that can be controlled directly by microcontroller (Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic) - Each relay has normally open and normally closed contact. Indication LED's for Relay output status.Can be selected by jumper relay and TTL or ground. - With power indicator,4-way road has a status indicator. With a relay coil to absorb the diode protection. - With power indicator,4-way road has a status indicator. With a relay coil to absorb the diode protection. ## Technical Specifications | Specification | Value | |---------------|-------| | Brand | SeeKool | | Package Dimensions | 10.2 x 5.2 x 1.4 cm; 40 g | | Manufacturer reference | SeeKool | | Manufacturer | SeeKool | | Processor Brand | ARM | | Are Batteries Included | No | | Item Weight | 40 g | | Guaranteed software updates until | unknown | ## Product Details - **Contact type:** normally closed,normally open - **Current rating:** 10 Amps - **Mounting type:** Board Mount,Ground Mount - **Brand:** SeeKool - **Operation mode:** Automatic ## Images ![SeeKool 5V 4-Channel Relay Module Control Board with Optocoupler for Arduino UNO R3 Kit MEGA 2560 Project 1280 DSP ARM PIC AVR STM32 Raspberry Pi - Image 1](https://m.media-amazon.com/images/I/71T1AMY-vpL.jpg) ![SeeKool 5V 4-Channel Relay Module Control Board with Optocoupler for Arduino UNO R3 Kit MEGA 2560 Project 1280 DSP ARM PIC AVR STM32 Raspberry Pi - Image 2](https://m.media-amazon.com/images/I/71eLN46e3ML.jpg) ![SeeKool 5V 4-Channel Relay Module Control Board with Optocoupler for Arduino UNO R3 Kit MEGA 2560 Project 1280 DSP ARM PIC AVR STM32 Raspberry Pi - Image 3](https://m.media-amazon.com/images/I/71lFuMD75ZL.jpg) ![SeeKool 5V 4-Channel Relay Module Control Board with Optocoupler for Arduino UNO R3 Kit MEGA 2560 Project 1280 DSP ARM PIC AVR STM32 Raspberry Pi - Image 4](https://m.media-amazon.com/images/I/71yKS-iwWFL.jpg) ![SeeKool 5V 4-Channel Relay Module Control Board with Optocoupler for Arduino UNO R3 Kit MEGA 2560 Project 1280 DSP ARM PIC AVR STM32 Raspberry Pi - Image 5](https://m.media-amazon.com/images/I/61L+QElA+SL.jpg) --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.in/products/79633110-seekool-5v-4-channel-relay-module-control-board-with-optocoupler](https://www.desertcart.in/products/79633110-seekool-5v-4-channel-relay-module-control-board-with-optocoupler) --- *Product available on Desertcart India* *Store origin: IN* *Last updated: 2026-05-03*