---
product_id: 125299917
title: "ESP32S ESP32 Development Board 2.4 GHz Dual Core WLAN WiFi + Bluetooth 2-in-1 Microcontroller ESP-WROOM-32 Chip for Arduino (38PIN Narrow Version, 2PCS)"
brand: "keeyees"
price: "7.66 OMR"
currency: OMR
in_stock: true
category: "Kee Yees"
url: https://www.desertcart.com.om/products/125299917-esp32s-esp32-development-board-2-4-ghz-dual-core-wlan
store_origin: OM
region: Oman
---

# Dual-core 2.4 GHz processor Dual-mode WiFi + Bluetooth 5.0 38-pin narrow breadboard compatible ESP32S ESP32 Development Board 2.4 GHz Dual Core WLAN WiFi + Bluetooth 2-in-1 Microcontroller ESP-WROOM-32 Chip for Arduino (38PIN Narrow Version, 2PCS)

**Brand:** keeyees
**Price:** 7.66 OMR
**Availability:** ✅ In Stock

## Summary

> 🚀 Unlock your IoT potential with the ultimate dual-core dev board!

## Quick Answers

- **What is this?** ESP32S ESP32 Development Board 2.4 GHz Dual Core WLAN WiFi + Bluetooth 2-in-1 Microcontroller ESP-WROOM-32 Chip for Arduino (38PIN Narrow Version, 2PCS) by keeyees
- **How much does it cost?** 7.66 OMR with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.om](https://www.desertcart.com.om/products/125299917-esp32s-esp32-development-board-2-4-ghz-dual-core-wlan)

## Best For

- keeyees enthusiasts

## Why This Product

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

## Key Features

- • **Energy-Efficient 40nm Tech:** Built on cutting-edge 40nm low-power technology, enjoy extended battery life and sustainable performance for your smart devices.
- • **Compact & Breadboard Friendly:** Designed with a narrow 38-pin layout, this board fits perfectly on standard breadboards, making prototyping effortless and clean.
- • **Powerhouse Dual-Core Performance:** Experience lightning-fast processing with the 2.4 GHz dual-core ESP-WROOM-32 chip, perfect for multitasking and complex IoT projects.
- • **Seamless Connectivity Everywhere:** Stay connected with integrated dual-mode WiFi and Bluetooth 5.0, supporting AP, STA, and combined modes for ultimate network flexibility.
- • **Developer-Ready with Lua & Arduino:** Jumpstart your projects with easy Lua programming support and full Arduino compatibility, backed by comprehensive PDF tutorials.

## Overview

The KeeYees ESP32S Development Board features a powerful 2.4 GHz dual-core ESP-WROOM-32 chip with 38 pins in a narrow form factor, supporting dual-mode WiFi and Bluetooth 5.0 connectivity. Compatible with Arduino and Lua programming, it offers versatile modes (AP, STA, AP+STA) and energy-efficient 40nm technology, making it ideal for scalable, reliable IoT and embedded applications.

## Description

desertcart.com: KeeYees ESP32S ESP32 Development Board 2.4 GHz Dual Core WLAN WiFi + Bluetooth 2-in-1 Microcontroller ESP-WROOM-32 Chip for Arduino (38PIN Narrow Version, 2PCS) : Electronics

## Features

- This module is safe, reliable, and scalable to a variety of applications.
- The module has 38 pins and has more features than a 30-pin module. Narrower width, compatible with breadboard
- Support Lua program, easy to develop. Support of three modes: AP, STA and AP + STA.
- This board is used with 2.4 GHz dual-mode Wi-Fi and Bluetooth chips ESP-WROOM-32, as well as the 40nm low-power technology.
- Technical Support: Our PDF tutorial is available on this page. Please pull down this page to find the tutorial: User Guide (PDF)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07QCP2451 |
| Best Sellers Rank | #378 in Single Board Computers (Computers & Accessories) |
| Brand | KeeYees |
| Built-In Media | 2 x KeeYees ESP32S ESP32 Development Boards |
| Compatible Devices | WLAN and Bluetooth devices |
| Connectivity Technology | Bluetooth, WLAN |
| Customer Reviews | 4.4 4.4 out of 5 stars (855) |
| External Testing Certification | Não aplicável |
| Item Dimensions L x W x H | 1.9"L x 1"W x 0.47"H |
| Manufacturer | KeeYees |
| Memory Storage Capacity | 512 KB |
| Model Name | ESP32S |
| Operating System | FreeRTOS |
| Processor Count | 2 |
| RAM Memory Installed | 512 GB |
| RAM Memory Technology | SRAM |
| Total Usb Ports | 1 |
| UPC | 713871269840 |
| Wireless Compability | 802.11bgn |

## Product Details

- **Brand:** KeeYees
- **Connectivity Technology:** Bluetooth, WLAN
- **Memory Storage Capacity:** 512 KB
- **Model Name:** ESP32S
- **Ram Memory Installed Size:** 512 GB

## Images

![ESP32S ESP32 Development Board 2.4 GHz Dual Core WLAN WiFi + Bluetooth 2-in-1 Microcontroller ESP-WROOM-32 Chip for Arduino (38PIN Narrow Version, 2PCS) - Image 1](https://m.media-amazon.com/images/I/71YcLPnoa3L.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: Is this 2 of the ESP32 chips?**
A: The products you will get are 2 x ESP32 Development Board, just like the first picture shows.

**Q: Does anyone use this with wled sound reactive firmware and max4466? could really use your help with the pins setup. thx!**
A: Get a board with better support. The pinout is wrong on this board so finding support for projects is nearly impossible.

**Q: Where is a schematic? need to understand why some gpio pins don't work as expected. p0 and p19 don't work, p2 works but has an on-board blue led.**
A: The PCB's silkscreen gpio is labeled different from the physical on-board gpio of the chip.

**Q: Has anyone had any luck getting micropython onto this board?**
A: Yes. Search for "Firmware for Generic ESP32 module"  (URLs not allowed here).  Download esp32-20210418-v1.15.bin from list under "Firmware with ESP-IDF v4.x"

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**Shop now:** [https://www.desertcart.com.om/products/125299917-esp32s-esp32-development-board-2-4-ghz-dual-core-wlan](https://www.desertcart.com.om/products/125299917-esp32s-esp32-development-board-2-4-ghz-dual-core-wlan)

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*Product available on Desertcart Oman*
*Store origin: OM*
*Last updated: 2026-07-04*