---
product_id: 342845321
title: "Ultra-Small GPIO Terminal Block Breakout Board Module for Arduino UNO R3"
brand: "oono"
price: "€ 38.98"
currency: EUR
in_stock: true
reviews_count: 8
category: "Oono"
url: https://www.desertcart.hr/products/342845321-ultra-small-gpio-terminal-block-breakout-board-module-for-arduino
store_origin: HR
region: Croatia
---

# 2.54mm pitch for perfect Arduino UNO R3 fit M1.6 steel screws for rock-solid stability Supports 28-18 AWG wire sizes for versatile connections Ultra-Small GPIO Terminal Block Breakout Board Module for Arduino UNO R3

**Brand:** oono
**Price:** € 38.98
**Availability:** ✅ In Stock

## Summary

> ⚡️ Tiny board, massive impact: Elevate your Arduino game with ultra-compact precision!

## Quick Answers

- **What is this?** Ultra-Small GPIO Terminal Block Breakout Board Module for Arduino UNO R3 by oono
- **How much does it cost?** € 38.98 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/342845321-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

- • **Complete DIY Kit:** Includes 2 breakout modules, nylon standoffs, nuts, and a screwdriver—everything you need to upgrade your Arduino workspace instantly.
- • **Premium Build Quality:** Dual-layer FR-4 fiberglass PCB with copper cage and pin headers guarantees durability and superior conductivity.
- • **Unshakeable Stability:** Firmly fixed with M1.6 steel screws and nylon standoffs to keep your setup rock steady during every project.
- • **Versatile Wire Compatibility:** Accommodates a wide wire gauge range (28-18 AWG) ensuring flexible and reliable connections for all your components.
- • **Effortless Arduino Integration:** Seamlessly connects to Arduino UNO R3 with precision 2.54mm pitch headers for zero-fuss prototyping.

## Overview

The Ultra-Small GPIO Terminal Block Breakout Board Module is a meticulously engineered accessory designed for Arduino UNO R3 users. Featuring a 2.54mm pitch, M1.6 steel screws, and support for 28-18 AWG wires, it ensures stable, versatile, and professional-grade connections. Built on a dual-layer FR-4 fiberglass PCB with copper components, this breakout board offers durability and reliable conductivity. The package includes two modules, nylon standoffs, nuts, and a screwdriver, making it a complete solution for streamlined prototyping and enhanced project stability.

## Description

Ultra-Small GPIO Terminal Block Breakout Board Module for Arduino UNO R3: desertcart.com: Industrial & Scientific

Review: Excelente producto - Excelente producto y más para la interconexión de Arduino con dispositivos y de esta manera los cables no se mueven
Review: Easy hook-up to an UNO - Very good breakout board for Arduino. Makes hobby projects easy.

## Features

- The item has been soldered and assembled. Support for Arduino Uno R3.
- 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.
- 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: 2x(1 set, A and B each one) terminal block breakout modules, 4x 11mm nylon standoffs. 4x 6mm nylon standoffs. 4x nylon nuts, 1x small slotted screwdriver (NOTE: the item not include Arduino Uno module).

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08XWCN43C |
| Best Sellers Rank | #75,025 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #153 in Terminal Blocks |
| Brand Name | OONO |
| Connector Type | Screw |
| Customer Reviews | 4.5 out of 5 stars 100 Reviews |
| Gauge | 28.0 |
| Item Dimensions W x H | 2.5"W x 1.12"H |
| Item Pitch | 2.54 Millimeters |
| Manufacturer | CZH-LABS |
| Material | Copper, Nylon |
| Material Type | Copper, Nylon |
| Model | MD-D1408-1 |
| Mounting Type | PCB Mount |
| Number Of Contacts | 8 |
| Number Of Poles | 2 |
| Number of Positions | 4 |
| Pitch | 2.54 Millimeters |
| Temperature Range | 1.5E+2 Degrees Celsius |
| Upper Temperature Rating | 150 Degrees Celsius |

## Product Details

- **Item Pitch:** 2.54 Millimeters
- **Gauge:** 28.0
- **Connector Type:** Screw
- **Number Of Contacts:** 8
- **Mounting Type:** PCB Mount
- **Material:** Nylon, Copper
- **Color:** Green
- **Brand:** OONO
- **Number Of Poles:** 2
- **Product Dimensions:** 2.5"W x 1.12"H

## Images

![Ultra-Small GPIO Terminal Block Breakout Board Module for Arduino UNO R3 - Image 1](https://m.media-amazon.com/images/I/716CLotQkUL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Excelente producto
*by E***S on February 5, 2026*

Excelente producto y más para la interconexión de Arduino con dispositivos y de esta manera los cables no se mueven

### ⭐⭐⭐⭐⭐ Easy hook-up to an UNO
*by T***P on January 28, 2026*

Very good breakout board for Arduino. Makes hobby projects easy.

### ⭐⭐⭐⭐ Built well
*by M***R on July 27, 2024*

A little pricey, bur good quality

## Frequently Bought Together

- Ultra-Small GPIO Terminal Block Breakout Board Module for Arduino UNO R3
- Arduino Uno REV3 [A000066]
- Arduino UNO R4 WiFi [ABX00087] - Renesas RA4M1 / ESP32-S3 - Wi-Fi, Bluetooth, USB-C, CAN, DAC, OP AMP, Qwiic Connector, 12x8 LED Matrix

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**Shop now:** [https://www.desertcart.hr/products/342845321-ultra-small-gpio-terminal-block-breakout-board-module-for-arduino](https://www.desertcart.hr/products/342845321-ultra-small-gpio-terminal-block-breakout-board-module-for-arduino)

---

*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-03-24*