---
product_id: 46703043
title: "HiLetgo 3pcs TLP281 Optocoupler Isolation Board Optical Coupler Isolation Module 4 Channel Optical Coupler Isolation Module High/Low Level Expansion Board"
brand: "hiletgo"
price: "฿1058"
currency: THB
in_stock: true
url: https://www.desertcart.co.th/products/46703043-hiletgo-3pcs-tlp281-optocoupler-isolation-board-optical-coupler-isolation-module
store_origin: TH
region: Thailand
---

# 4 Channel Isolation Compact Size High Voltage Compatibility HiLetgo 3pcs TLP281 Optocoupler Isolation Board Optical Coupler Isolation Module 4 Channel Optical Coupler Isolation Module High/Low Level Expansion Board

**Brand:** hiletgo
**Price:** ฿1058
**Availability:** ✅ In Stock

## Summary

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## Quick Answers

- **What is this?** HiLetgo 3pcs TLP281 Optocoupler Isolation Board Optical Coupler Isolation Module 4 Channel Optical Coupler Isolation Module High/Low Level Expansion Board by hiletgo
- **How much does it cost?** ฿1058 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/46703043-hiletgo-3pcs-tlp281-optocoupler-isolation-board-optical-coupler-isolation-module)

## Best For

- hiletgo enthusiasts

## Why This Product

- Trusted hiletgo brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Compact Design:** Space-saving PCB size of 25mm x 26mm fits perfectly in any project.
- • **Complete Package:** Includes 3 TLP281 modules for all your isolation needs.
- • **Seamless Connectivity:** Easily connect your 5V microcontroller to high-voltage systems without a hitch.
- • **Reliable Signal Integrity:** Inverts logic signals with precision, ensuring your data remains intact.
- • **Versatile Voltage Handling:** Supports higher voltages than standard TTL logic (3.3V or 5V) for maximum flexibility.

## Overview

The HiLetgo 3pcs TLP281 Optocoupler Isolation Board is a high-performance optical coupler isolation module designed for seamless integration between low-voltage digital systems and high-voltage or noisy environments. With a compact size and reliable signal handling, this module is perfect for engineers and hobbyists looking to enhance their projects.

## Description

HiLetgo 3pcs TLP281 Optocoupler Isolation Board Optical Coupler Isolation Module 4 Channel Optical Coupler Isolation Module High/Low Level Expansion Board

## Features

- TLP281 4 Channel Optical Coupler Isolation Module
- PCB Size: 25mm x 26mm
- Connecting digital systems (like a 5V microcontroller) to a high-voltage or noisy system
- A higher voltage than the TTL logic on the (3.3V or 5V) micro
- A normal LED opto-isolator will invert the logic of a signal

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | HiLetgo |
| Part Number | 3-01-1180 |
| Item Weight | 0.387 ounces |
| Package Dimensions | 4.65 x 2.95 x 0.71 inches |
| Is Discontinued By Manufacturer | No |
| Material | Plastic |
| Included Components | 3 * TLP281 Optical Coupler Isolation Module |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Brand:** HiLetgo
- **Model Name:** TLP281
- **Included Components:** 3 * TLP281 Optical Coupler Isolation Module
- **Compatible Devices:** Single-board computers

## Images

![HiLetgo 3pcs TLP281 Optocoupler Isolation Board Optical Coupler Isolation Module 4 Channel Optical Coupler Isolation Module High/Low Level Expansion Board - Image 1](https://m.media-amazon.com/images/I/71NKi9wCbQL.jpg)

## Frequently Bought Together

- HiLetgo 3pcs TLP281 Optocoupler Isolation Board Optical Coupler Isolation Module 4 Channel Optical Coupler Isolation Module High/Low Level Expansion Board
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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-03-10*