--- product_id: 692303854 title: "DONGKER 8-Channel Optocoupler Isolation Board, Dc 3.3V 5V Driver Photoelectric Isolated Module Pnp Npn Signal Converter Low High Level Output 1 Piece Red" brand: "dongker" price: "R749" currency: ZAR in_stock: true reviews_count: 5 category: "Dongker" url: https://www.desertcart.co.za/products/692303854-dongker-8-channel-optocoupler-isolation-board-dc-3-3v-5v store_origin: ZA region: South Africa --- # 3.3V-5V input support 8-channel isolation Wide 1.8V-24V load voltage DONGKER 8-Channel Optocoupler Isolation Board, Dc 3.3V 5V Driver Photoelectric Isolated Module Pnp Npn Signal Converter Low High Level Output 1 Piece Red **Brand:** dongker **Price:** R749 **Availability:** ✅ In Stock ## Summary > 🔴 Power your projects with precision and isolation! ## Quick Answers - **What is this?** DONGKER 8-Channel Optocoupler Isolation Board, Dc 3.3V 5V Driver Photoelectric Isolated Module Pnp Npn Signal Converter Low High Level Output 1 Piece Red by dongker - **How much does it cost?** R749 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/692303854-dongker-8-channel-optocoupler-isolation-board-dc-3-3v-5v) ## Best For - dongker enthusiasts ## Why This Product - Trusted dongker brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Wide Voltage Range:** Operates smoothly from 1.8V up to 24V load voltage for flexible applications. - • **Low Voltage Friendly:** Optimized for DC 3.3V and 5V inputs, perfect for modern microcontrollers. - • **Compact & Lightweight:** Slim 10x6.4 cm design weighing just 41g fits any project setup. - • **Dual Signal Compatibility:** Supports both NPN and PNP outputs for versatile integration. - • **Seamless 8-Channel Control:** Manage multiple signals effortlessly with 8 isolated channels. ## Overview The DONGKER 8-Channel Optocoupler Isolation Board offers robust photoelectric isolation with support for both NPN and PNP signal outputs. Designed for DC 3.3V and 5V inputs, it handles load voltages from 1.8V to 24V, making it ideal for diverse electronic control applications requiring reliable signal separation and noise reduction. ## Description Description: It is a DC 3.3V 5V 8-Channel Optocoupler Isolation Module. It can detect 8-Channel DC input power sources and output DC voltage according to the detection results. The output results can be applied to PLC system and other control equipment. It can detect whether there is input power. The output status will change when the input power is detected. Features: 1. Optocoupler isolation control. 2. 8-Channel input and output. 3. NPN / PNP (Low/High level) signal output. 4. Support DC 3.3V5V Input. 5. DC 1.8V-24V load voltage Specification: Product name: DC 3.3V 5V 8-Channel Optocoupler Isolation Module Input Voltage: DC 3.3V5V Load Input Voltage: DC 1.8V24V Output type: NPN / PNP (Low/High level) signal output Output current: 50mA Work Temperature: -20℃85℃ Work Humidity: 10%85%RH Size: 725027mm Application: 1. DC power detection. 2. PLC control system. 3. Device alarm. Package list : 1pcs DC 3.3V 5V 8-Channel Optocoupler Isolation Module. Review: These octopus couplers are far superior to the old individual ones Review: excelente producto ## Features - Optocoupler isolation control. - 8-Channel input and output. - NPN / PNP (Low/High level) signal output. - Support DC 3.3V5V Input. - DC 1.8V-24V load voltage. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08LYQQ7X6 | | ASIN | B08LYQQ7X6 | | Brand Name | DONGKER | | Customer Reviews | 4.5 4.5 out of 5 stars (31) | | Customer reviews | 4.5 4.5 out of 5 stars (31) | | Date First Available | 20 January 2024 | | Item model number | 1 | | Manufacturer | DONGKER | | Manufacturer | DONGKER | | Model | 1 | | Package Dimensions | 10.01 x 6.4 x 1.9 cm; 41 g | | Part Number | 1 | | UPC | 770264202464 | ## Product Details - **Brand:** DONGKER - **Manufacturer:** DONGKER - **UPC:** 770264202464 ## Images ![DONGKER 8-Channel Optocoupler Isolation Board, Dc 3.3V 5V Driver Photoelectric Isolated Module Pnp Npn Signal Converter Low High Level Output 1 Piece Red - Image 1](https://m.media-amazon.com/images/I/31458O5WEVL.jpg) ![DONGKER 8-Channel Optocoupler Isolation Board, Dc 3.3V 5V Driver Photoelectric Isolated Module Pnp Npn Signal Converter Low High Level Output 1 Piece Red - Image 2](https://m.media-amazon.com/images/I/51apPXCVZNL.jpg) ![DONGKER 8-Channel Optocoupler Isolation Board, Dc 3.3V 5V Driver Photoelectric Isolated Module Pnp Npn Signal Converter Low High Level Output 1 Piece Red - Image 3](https://m.media-amazon.com/images/I/71YOydhy-WL.jpg) ![DONGKER 8-Channel Optocoupler Isolation Board, Dc 3.3V 5V Driver Photoelectric Isolated Module Pnp Npn Signal Converter Low High Level Output 1 Piece Red - Image 4](https://m.media-amazon.com/images/I/61+Owawu5UL.jpg) ![DONGKER 8-Channel Optocoupler Isolation Board, Dc 3.3V 5V Driver Photoelectric Isolated Module Pnp Npn Signal Converter Low High Level Output 1 Piece Red - Image 5](https://m.media-amazon.com/images/I/51p9GOThz-L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by M***. on 5 November 2025* These octopus couplers are far superior to the old individual ones ### ⭐⭐⭐⭐⭐ Review *by L***Z on 20 August 2025* excelente producto ### ⭐⭐⭐⭐⭐ Review *by M***3 on 3 August 2024* Device is as expected. A must for my Beagle Bone system. I fried my first BBONE because I failed to Isolate the IO. ## Frequently Bought Together - DONGKER Optocoupler Isolation Board,DC 3.3V 5V PNP NPN 8-Channel Signal Converter Opto Voltage Isolation Module - 5V 5A Power Supply,25W Universal Regulated Switching Power Converter Adapter Transformer for LED Strip Light,Probe Signal Lamp,CCTV, Radio, Computer Project - MILAPEAK 10pcs (5 Sets) 6 Positions Dual Row 600V 25A Screw Terminal Strip Blocks with Cover + 400V 25A 6 Positions Pre-Insulated Terminals Barrier Strip (Black & Red) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.za/products/692303854-dongker-8-channel-optocoupler-isolation-board-dc-3-3v-5v](https://www.desertcart.co.za/products/692303854-dongker-8-channel-optocoupler-isolation-board-dc-3-3v-5v) --- *Product available on Desertcart South Africa* *Store origin: ZA* *Last updated: 2026-05-11*