---
product_id: 403684328
title: "KeeYees 5PCS Mini Development Board for ESP8266 4M Bytes WLAN WiFi Compatible with for Arduino"
brand: "keeyees"
price: "B/.100"
currency: PAB
in_stock: true
url: https://www.desertcart.com.pa/products/403684328-keeyees-5pcs-mini-development-board-for-esp8266-4m-bytes-wlan
store_origin: PA
region: Panama
---

# 4M Flash + WiFi Power Micro USB Plug & Play 11 I/O Pins with PWM & I2C KeeYees 5PCS Mini Development Board for ESP8266 4M Bytes WLAN WiFi Compatible with for Arduino

**Brand:** keeyees
**Price:** B/.100
**Availability:** ✅ In Stock

## Summary

> 🚀 Unlock your IoT potential with KeeYees Mini Boards – where innovation meets compact power!

## Quick Answers

- **What is this?** KeeYees 5PCS Mini Development Board for ESP8266 4M Bytes WLAN WiFi Compatible with for Arduino by keeyees
- **How much does it cost?** B/.100 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/403684328-keeyees-5pcs-mini-development-board-for-esp8266-4m-bytes-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

- • **OTA Firmware Updates:** Supports Over-The-Air updates to keep your projects future-proof without physical access.
- • **Plug & Play USB Power:** Micro USB connection with onboard 5V 1A switching power supply for hassle-free setup.
- • **Versatile Pin Control:** 11 digital I/O pins supporting interrupt, PWM, I2C, and 1-wire protocols for ultimate project flexibility.
- • **Seamless WiFi Integration:** Built-in ESP8266 chip with 802.11b WiFi for instant IoT connectivity.
- • **Arduino & WeMos Compatible:** 100% compatible with Arduino ecosystem, making your prototyping faster and smoother.

## Overview

The KeeYees 5PCS Mini Development Board features the powerful ESP8266 chip with 4MB flash memory and built-in WiFi, offering 11 versatile digital I/O pins with interrupt, PWM, I2C, and 1-wire support. Fully compatible with Arduino and WeMos platforms, it includes a micro USB port and onboard 5V 1A power supply, enabling easy prototyping and OTA firmware updates for seamless IoT development.

## Description

Product Specification: WIFI Development Board, 4M bytes. Supported (except D0). Support OTA on line. 1 Micro USB connection. 1 analog input (3.3V max input). 5V 1A switching power supply onboard. 11 digital input/output pins, all pins have interrupt/pwm/I2C/one-wire and a micro-USB connection.  How to get it started in for Arduino: - Setup driver Before you use the Development Board, you need set up CH340g driver. - Python On Windows you need install Python 2.7.10. On Linux, MAC OSX, you don't need install it, comes preinstalled with OS. - Installing Hardware package "Boards Manager or GIT". We recommend using GIT, you can always get the latest version.  Product List: 5 x Development Board

## Features

- Mini Development Board based on ESP8266 chip.
- This board contains 11 digital input / output pins, all pins have interrupt / pwm / I2C / 1-wire and a micro USB connection.
- This board is 100% compatible with for Arduino and for WeMos.
- WIFI development board, with 4 MB of flash memory.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | KeeYees |
| Package Dimensions | 16.2 x 13.2 x 3.2 cm; 40 g |
| Manufacturer reference | KY29-US |
| Manufacturer | KeeYees |
| Processor Count | 2 |
| Wireless Type | 802.11b |
| Operating System | Linux |
| Are Batteries Included | No |
| Item Weight | 40 g |

## Product Details

- **Brand:** KeeYees
- **Installed RAM memory size:** 4 MB
- **Memory storage capacity:** 4 MB
- **Connectivity technology:** I2C, USB, WLAN, Wi-Fi
- **Included components:** 5 x Development Board

## Images

![KeeYees 5PCS Mini Development Board for ESP8266 4M Bytes WLAN WiFi Compatible with for Arduino - Image 1](https://m.media-amazon.com/images/I/81yX55Yd+EL.jpg)
![KeeYees 5PCS Mini Development Board for ESP8266 4M Bytes WLAN WiFi Compatible with for Arduino - Image 2](https://m.media-amazon.com/images/I/71zMdlQ+6uL.jpg)
![KeeYees 5PCS Mini Development Board for ESP8266 4M Bytes WLAN WiFi Compatible with for Arduino - Image 3](https://m.media-amazon.com/images/I/61fD1HgVDNL.jpg)
![KeeYees 5PCS Mini Development Board for ESP8266 4M Bytes WLAN WiFi Compatible with for Arduino - Image 4](https://m.media-amazon.com/images/I/61fD1HgVDNL.jpg)
![KeeYees 5PCS Mini Development Board for ESP8266 4M Bytes WLAN WiFi Compatible with for Arduino - Image 5](https://m.media-amazon.com/images/I/61LDaZAXEIL.jpg)

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**Shop now:** [https://www.desertcart.com.pa/products/403684328-keeyees-5pcs-mini-development-board-for-esp8266-4m-bytes-wlan](https://www.desertcart.com.pa/products/403684328-keeyees-5pcs-mini-development-board-for-esp8266-4m-bytes-wlan)

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*Product available on Desertcart Panama*
*Store origin: PA*
*Last updated: 2026-01-26*