---
product_id: 342845321
title: "Ultra-Small GPIO Terminal Block Breakout Board Module for Arduino UNO R3"
brand: "oono"
price: "¥6433"
currency: JPY
in_stock: true
reviews_count: 11
category: "Oono"
url: https://www.desertcart.jp/products/342845321-ultra-small-gpio-terminal-block-breakout-board-module-for-arduino
store_origin: JP
region: Japan
---

# 2.54mm pitch precision M1.6 steel screws for secure fit Includes screwdriver & mounting kit Ultra-Small GPIO Terminal Block Breakout Board Module for Arduino UNO R3

**Brand:** oono
**Price:** ¥6433
**Availability:** ✅ In Stock

## Summary

> ⚡️ Tiny board, massive impact — power your Arduino projects like a pro!

## Quick Answers

- **What is this?** Ultra-Small GPIO Terminal Block Breakout Board Module for Arduino UNO R3 by oono
- **How much does it cost?** ¥6433 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/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 Pro Kit:** Includes 2 breakout modules, nylon nuts, standoffs, and a handy screwdriver—everything you need to elevate your Arduino setup.
- • **Rock-Solid Stability:** Firmly fixed with nylon standoffs and steel screws to eliminate shake and maintain reliable connections during intense prototyping.
- • **Compact Precision Fit:** Ultra-small 2.54mm pitch terminal blocks ensure seamless Arduino UNO R3 integration without bulky clutter.
- • **Plug & Play Convenience:** Pre-soldered and assembled for instant use—no tedious wiring hassles, just snap it on and start building.
- • **Versatile Wire Compatibility:** Supports 28AWG to 18AWG wires with optimal 4.5mm strip length, perfect for diverse project needs.

## Overview

The Ultra-Small GPIO Terminal Block Breakout Board Module is a precision-engineered accessory designed for Arduino UNO R3 users. Featuring a compact 2.54mm pitch, durable M1.6 steel screws, and dual copper-layer FR-4 PCB, it guarantees stable, secure connections. Pre-assembled and including mounting hardware plus a screwdriver, this module streamlines prototyping by supporting a wide wire gauge range (28AWG to 18AWG) and ensuring your projects stay rock-solid and professional-grade.

## 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 | #51,732 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #84 in Terminal Blocks |
| Brand Name | OONO |
| Connector Type | Screw |
| Customer Reviews | 4.6 out of 5 stars 105 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 |
| Part Number | MD-D1408-1 |
| Pitch | 2.54 Millimeters |
| Temperature Range | 1.5E+2 Degrees Celsius |
| Upper Temperature Rating | 150 Degrees Celsius |

## Product Details

- **Brand:** OONO
- **Connector Type:** Screw
- **Gauge:** 28.0
- **Item Pitch:** 2.54 Millimeters
- **Material:** Copper, Nylon
- **Mounting Type:** PCB Mount
- **Number Of Contacts:** 8
- **Number Of Poles:** 2
- **Product Dimensions:** 2.5"W x 1.12"H
- **Upper Temperature Rating:** 150 Degrees Celsius

## 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.jp/products/342845321-ultra-small-gpio-terminal-block-breakout-board-module-for-arduino](https://www.desertcart.jp/products/342845321-ultra-small-gpio-terminal-block-breakout-board-module-for-arduino)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-07-18*