---
product_id: 315688741
title: "Ultra-Small GPIO Terminal Block Breakout Board Module for Arduino Mega-2560"
brand: "oono"
price: "B/.93"
currency: PAB
in_stock: true
reviews_count: 8
category: "Oono"
url: https://www.desertcart.com.pa/products/315688741-ultra-small-gpio-terminal-block-breakout-board-module-for-arduino
store_origin: PA
region: Panama
---

# 2.54mm pitch precision M1.6 steel screws for secure fastening Pre-assembled, ready-to-use Ultra-Small GPIO Terminal Block Breakout Board Module for Arduino Mega-2560

**Brand:** oono
**Price:** B/.93
**Availability:** ✅ In Stock

## Summary

> ⚡️ Elevate your Arduino game with precision and stability!

## Quick Answers

- **What is this?** Ultra-Small GPIO Terminal Block Breakout Board Module for Arduino Mega-2560 by oono
- **How much does it cost?** B/.93 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.pa](https://www.desertcart.com.pa/products/315688741-ultra-small-gpio-terminal-block-breakout-board-module-for-arduino)

## Best For

- oono enthusiasts

## Why This Product

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

## Key Features

- • **Ready Out-of-the-Box:** Fully soldered and assembled modules save you time and hassle during setup.
- • **Secure Mounting System:** Includes nylon standoffs and nuts to firmly fix the breakout board, eliminating shake and ensuring durability.
- • **Versatile Wire Compatibility:** Supports 28AWG to 18AWG wires with easy-access screw terminals for quick adjustments.
- • **Compact Precision Engineering:** Ultra-small 2.54mm pitch fits perfectly with Arduino Mega-2560 for seamless prototyping.
- • **Robust & Reliable Connections:** M1.6 steel screws and copper cage ensure stable, vibration-free wiring every time.

## Overview

This Ultra-Small GPIO Terminal Block Breakout Board Module is designed specifically for Arduino Mega-2560, featuring a precise 2.54mm pitch, durable M1.6 steel screws, and dual-layer FR-4 fiberglass PCB. Pre-assembled for immediate use, it supports a wide wire gauge range and includes secure nylon standoffs for stable mounting, making prototyping faster, cleaner, and more reliable.

## Description

Ultra-Small GPIO Terminal Block Breakout Board Module for Arduino Mega-2560: desertcart.com: Industrial & Scientific

Review: Great product! - Much easier to use when prototyping. All connection screws are accessible without removing an entire row of connections. This was designed by someone who has suffered that pain! Good job!
Review: Perfect Fit - Since parts are small, a little difficult to screw in the supports but, very stable once installed. The terminals worked perfectly and the pins fit snugly without tightening too much. Well labeled. I recommend securing wires before connecting to the Mega board if you’re just transferring. I Highly Recommend.

## Features

- The item has been soldered and assembled. Support for Arduino Mega-2560.
- Terminal block pitch 2.54mm/0.1", wire size range 28AWG to 18AWG, strip length 4.5mm, screw M1.6 steel, pin header and cage copper. 3, FR-4 fiber glass PCB, dual copper layers.
- FR-4 fiber glass PCB, dual copper layers.
- Pin header connect to Arduino board. The breakout board is firmly fixed to Arduino-Uno through standoffs and nut, and will not shake.
- Packing list: 3x(1 set, A B C each one) terminal block breakout modules, 6x 11mm nylon standoffs. 6x 6mm nylon standoffs. 6x nylon nuts, 1x small slotted screwdriver (NOTE: the item not include Arduino Mega-2560 module).

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08XVMBR6P |
| Best Sellers Rank | #125,441 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #216 in Ground Circuit Terminal Blocks |
| Brand Name | OONO |
| Color | Green |
| Connector Type | Screw |
| Customer Reviews | 4.5 out of 5 stars 72 Reviews |
| Global Trade Identification Number | 06954525591878 |
| Item Dimensions W x H | 4.1"W x 1.13"H |
| Item Pitch | 2.54 millimeters |
| Manufacturer | CZH-LABS |
| Material | Nylon, Steel |
| Material Type | Nylon, Steel |
| Model | MD-D1409-1 |
| Mounting Type | PCB Mount |
| Number Of Contacts | 9 |
| Number Of Poles | 2 |
| Number of Items | 3 |
| Number of Positions | 51 |
| Part Number | MD-D1409-1 |
| Pitch | 2.54 millimeters |

## Product Details

- **Brand:** OONO
- **Color:** Green
- **Connector Type:** Screw
- **Item Pitch:** 2.54 millimeters
- **Material:** Nylon, Steel
- **Mounting Type:** PCB Mount
- **Number Of Contacts:** 9
- **Number Of Poles:** 2
- **Number of Items:** 3
- **Product Dimensions:** 4.1"W x 1.13"H

## Images

![Ultra-Small GPIO Terminal Block Breakout Board Module for Arduino Mega-2560 - Image 1](https://m.media-amazon.com/images/I/71-FUxZn57L.jpg)
![Ultra-Small GPIO Terminal Block Breakout Board Module for Arduino Mega-2560 - Image 2](https://m.media-amazon.com/images/I/81-77c16fOL.jpg)
![Ultra-Small GPIO Terminal Block Breakout Board Module for Arduino Mega-2560 - Image 3](https://m.media-amazon.com/images/I/71qrBB-LmYL.jpg)
![Ultra-Small GPIO Terminal Block Breakout Board Module for Arduino Mega-2560 - Image 4](https://m.media-amazon.com/images/I/81VRWOchOxL.jpg)
![Ultra-Small GPIO Terminal Block Breakout Board Module for Arduino Mega-2560 - Image 5](https://m.media-amazon.com/images/I/81fpWGYTGDL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great product!
*by R***G on April 18, 2026*

Much easier to use when prototyping. All connection screws are accessible without removing an entire row of connections. This was designed by someone who has suffered that pain! Good job!

### ⭐⭐⭐⭐⭐ Perfect Fit
*by H***A on July 3, 2024*

Since parts are small, a little difficult to screw in the supports but, very stable once installed. The terminals worked perfectly and the pins fit snugly without tightening too much. Well labeled. I recommend securing wires before connecting to the Mega board if you’re just transferring. I Highly Recommend.

### ⭐⭐⭐⭐⭐ Best terminal block for Arduino Mega!!
*by M***T on March 16, 2026*

The best thing ever! Originally used a different connector which sits on top but unable to remove an individual wire. This lets me have access to each wire individually.

## Frequently Bought Together

- Ultra-Small GPIO Terminal Block Breakout Board Module for Arduino Mega-2560
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**Shop now:** [https://www.desertcart.com.pa/products/315688741-ultra-small-gpio-terminal-block-breakout-board-module-for-arduino](https://www.desertcart.com.pa/products/315688741-ultra-small-gpio-terminal-block-breakout-board-module-for-arduino)

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*Product available on Desertcart Panama*
*Store origin: PA*
*Last updated: 2026-09-08*