---
product_id: 336872596
title: "KeeYees ESP8266 ESP-12F Mini WLAN WiFi Development Board 4M Bytes for Arduino for NodeMcu for WeMos (5PCS)"
brand: "keeyees"
price: "₪87"
currency: ILS
in_stock: true
url: https://www.desertcart.co.il/products/336872596-keeyees-esp8266-esp-12f-mini-wlan-wifi-development-board-4m
store_origin: IL
region: Israel
---

# 4M Flash Memory WiFi 802.11b 11 I/O Pins KeeYees ESP8266 ESP-12F Mini WLAN WiFi Development Board 4M Bytes for Arduino for NodeMcu for WeMos (5PCS)

**Brand:** keeyees
**Price:** ₪87
**Availability:** ✅ In Stock

## Summary

> 🚀 Elevate Your Projects with KeeYees Magic!

## Quick Answers

- **What is this?** KeeYees ESP8266 ESP-12F Mini WLAN WiFi Development Board 4M Bytes for Arduino for NodeMcu for WeMos (5PCS) by keeyees
- **How much does it cost?** ₪87 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.il](https://www.desertcart.co.il/products/336872596-keeyees-esp8266-esp-12f-mini-wlan-wifi-development-board-4m)

## 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

- • **Compact Design:** Lightweight and portable for on-the-go innovation.
- • **Powerful Performance:** Dual-core processor for efficient multitasking.
- • **Comprehensive Support:** Includes a detailed PDF tutorial for easy setup.
- • **Seamless Compatibility:** 100% compatible with Arduino and WeMos.
- • **Unleash Your Creativity:** Perfect for DIY projects and prototyping!

## Overview

The KeeYees ESP8266 ESP-12F Mini WLAN WiFi Development Board is a versatile and compact solution for developers and hobbyists alike. With 11 digital I/O pins, 4MB of flash memory, and seamless compatibility with Arduino and WeMos, this board is designed for efficient prototyping and innovative projects. Weighing just 1.41 ounces, it’s perfect for both indoor and outdoor applications. Plus, with comprehensive technical support available, you’ll have everything you need to bring your ideas to life!

## Description

KeeYees ESP8266 ESP-12F Mini WLAN WiFi Development Board 4M Bytes for Arduino for NodeMcu for WeMos (5PCS)

## 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 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 |
|---------------|-------|
| Wireless Type | 802.11b |
| Brand | KeeYees |
| Operating System | Espressif RTOS |
| Item Weight | 1.41 ounces |
| Package Dimensions | 6.38 x 5.2 x 1.26 inches |
| Processor Brand | Espressif |
| Number of Processors | 2 |
| Manufacturer | KeeYees |
| ASIN | B08ZY7Q7TW |
| Date First Available | April 28, 2021 |

## Product Details

- **Brand:** KeeYees
- **Ram Memory Installed Size:** 4 MB
- **Memory Storage Capacity:** 4 MB
- **Connectivity Technology:** Wi-Fi
- **Included Components:** 5 x Development Board

## Images

![KeeYees ESP8266 ESP-12F Mini WLAN WiFi Development Board 4M Bytes for Arduino for NodeMcu for WeMos (5PCS) - Image 1](https://m.media-amazon.com/images/I/81yX55Yd+EL.jpg)

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**Shop now:** [https://www.desertcart.co.il/products/336872596-keeyees-esp8266-esp-12f-mini-wlan-wifi-development-board-4m](https://www.desertcart.co.il/products/336872596-keeyees-esp8266-esp-12f-mini-wlan-wifi-development-board-4m)

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*Product available on Desertcart Israel*
*Store origin: IL*
*Last updated: 2026-02-22*