---
product_id: 525506800
title: "DWEII 2.4\" 2.42 inch 128x64 OLED LCD Display Module SSD1309 7 Pin SPI/IIC I2C Serial Interface for Arduino UNO R3 DIY Electronic - Blue Light"
brand: "dweii"
price: "S$47"
currency: SGD
in_stock: true
reviews_count: 5
category: "Dweii"
url: https://www.desertcart.sg/products/525506800-dweii-2-4-2-42-inch-128x64-oled-lcd-display
store_origin: SG
region: Singapore
---

# 2.42 inch diagonal OLED screen SPI/I2C dual interface switchable 128x64 crisp resolution DWEII 2.4" 2.42 inch 128x64 OLED LCD Display Module SSD1309 7 Pin SPI/IIC I2C Serial Interface for Arduino UNO R3 DIY Electronic - Blue Light

**Brand:** dweii
**Price:** S$47
**Availability:** ✅ In Stock

## Summary

> ✨ Elevate your DIY projects with OLED brilliance! 🔥

## Quick Answers

- **What is this?** DWEII 2.4" 2.42 inch 128x64 OLED LCD Display Module SSD1309 7 Pin SPI/IIC I2C Serial Interface for Arduino UNO R3 DIY Electronic - Blue Light by dweii
- **How much does it cost?** S$47 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/525506800-dweii-2-4-2-42-inch-128x64-oled-lcd-display)

## Best For

- dweii enthusiasts

## Why This Product

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

## Key Features

- • **Rapid Response Time:** Enjoy ultra-fast refresh rates that outpace traditional LCDs, ideal for dynamic data visualization.
- • **Compact Yet Powerful Display:** A sleek 2.42-inch screen that fits perfectly into your next smart device or Arduino project.
- • **Vivid Self-Illuminating OLED:** Experience stunning visuals with no backlight needed, perfect for low-light environments.
- • **Seamless Interface Flexibility:** Easily toggle between SPI and I2C protocols via resistor configuration for ultimate DIY control.
- • **Plug-and-Play Arduino Compatibility:** Designed for smooth integration with Arduino UNO R3, accelerating your prototyping workflow.

## Overview

The DWEII 2.42-inch OLED display module features a sharp 128x64 resolution powered by the SSD1309 driver IC. It supports both SPI and I2C serial interfaces, switchable via resistor settings, making it a versatile choice for Arduino UNO R3 and other embedded systems. With self-emissive OLED technology, it delivers high contrast and fast response times without backlighting, ideal for compact smart devices and electronics projects.

## Description

Feature:This is a 2.42 inch OLED display module of 128x64 resolution in which the emissive electroluminescent layer is a film of organic compound that emits light in response to an electric currentWorking without backlight, the OLED display module could give out light by itselfIn low ambient light conditions such as a dark room, an OLED screen can achieve a higher contrast ratio than an LCDOLED display module also has a much faster response time than an LCDThe display with small dimension is suitable for MP3, function cellphone, smart health device, etcFeatures: Diagonal Screen Size: 2.42" Resolution: 128 * 64 Driver IC: SSD1309 SPI interface definition: 1.GND (power ground) 2.VCC (power supply positive)3.SCL (clock line) 4.SDA (data line) 5.RES (reset line) 6.DC (data / command) 7.CS (chip select)Package Included:1 * 2.4inch OLED LCD Display Module for Arduino

Review: Display that was received doesn't match the photo. Following the instructions for i2c communication didnt do anything and cannot get either display I ordered to work. There is zero documentation on it.
Review: Good quality

## Features

- Interface Selection: to choose SPI or IIC interface through R3, R4, R5
- SPI communication or I2C communication can be switched by configuring three resistors R3 R4 R5
- This is a 2.42 inch OLED display module of 128x64 resolution in which the emissive electroluminescent layer is a film of organic compound that emits light in response to an electric current
- Diagonal Screen Size: 2.42 inch
- Driver IC: SSD1309

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0B2R3RBKL |
| Best Sellers Rank | 273,656 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 215 in LCD Character Modules |
| Guaranteed software updates until | unknown |
| Manufacturer | DWEII |
| Package Dimensions | 9.4 x 6.5 x 1.8 cm; 41 g |

## Product Details

- **Brand:** DWEII
- **Connectivity technology:** I2C
- **Included components:** 2.42 inch 128x64 OLED LCD Display Module
- **Model name:** DWEII OLED LCD Display Module
- **Operating system:** Linux

## Images

![DWEII 2.4" 2.42 inch 128x64 OLED LCD Display Module SSD1309 7 Pin SPI/IIC I2C Serial Interface for Arduino UNO R3 DIY Electronic - Blue Light - Image 1](https://m.media-amazon.com/images/I/6145KWv7l5L.jpg)
![DWEII 2.4" 2.42 inch 128x64 OLED LCD Display Module SSD1309 7 Pin SPI/IIC I2C Serial Interface for Arduino UNO R3 DIY Electronic - Blue Light - Image 2](https://m.media-amazon.com/images/I/61COZltmJ5L.jpg)
![DWEII 2.4" 2.42 inch 128x64 OLED LCD Display Module SSD1309 7 Pin SPI/IIC I2C Serial Interface for Arduino UNO R3 DIY Electronic - Blue Light - Image 3](https://m.media-amazon.com/images/I/61SzETAGYbL.jpg)
![DWEII 2.4" 2.42 inch 128x64 OLED LCD Display Module SSD1309 7 Pin SPI/IIC I2C Serial Interface for Arduino UNO R3 DIY Electronic - Blue Light - Image 4](https://m.media-amazon.com/images/I/61cywEGyK8L.jpg)
![DWEII 2.4" 2.42 inch 128x64 OLED LCD Display Module SSD1309 7 Pin SPI/IIC I2C Serial Interface for Arduino UNO R3 DIY Electronic - Blue Light - Image 5](https://m.media-amazon.com/images/I/61grs19fCaL.jpg)

## Questions & Answers

**Q: What's the difference in SCK and SCL?**
A: I believe the acronyms are both for the Serial Clock that goes with Serial Data (SDA)

## Customer Reviews

### ⭐ Review
*by S***N on 11 December 2024*

Display that was received doesn't match the photo. Following the instructions for i2c communication didnt do anything and cannot get either display I ordered to work. There is zero documentation on it.

### ⭐⭐⭐⭐⭐ Review
*by O***Y on 9 December 2025*

Good quality

### ⭐ Review
*by D***N on 6 August 2025*

Should have read the reports before I went ahead and got one of these... 100% of reviews focus on bad quality, not what was ordered, didn't work but most of all the conversion to I2C format isn't easy and IFF you aren't very careful you will damage it... why put a product into the market in a format that inevitably needs to be converted? Why not make the I2C an option at time of purchase? Mine is now in the bin

## Frequently Bought Together

- DWEII 2.4" 2.42 inch 128x64 OLED LCD Display Module SSD1309 7 Pin SPI/IIC I2C Serial Interface for Arduino UNO R3 DIY Electronic - Blue Light
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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-02-14*