---
product_id: 211115500
title: "USB to Serial Adapter Based on ESP8266 WiFi microcontroller with Power Supply Voltage 3.3V / 5V for ESP8266 ESP-01 ESP-01S WiFi Module, Compatible with Arduino IDE Programming Adapter/Tool"
brand: "kookye"
price: "₩31554"
currency: KRW
in_stock: false
url: https://www.desertcart.kr/products/211115500-usb-to-serial-adapter-based-on-esp8266-wifi-microcontroller-power
store_origin: KR
region: South Korea
---

# Dual 3.3V/5V power supply CP2104 USB serial chip Auto-download mode activation USB to Serial Adapter Based on ESP8266 WiFi microcontroller with Power Supply Voltage 3.3V / 5V for ESP8266 ESP-01 ESP-01S WiFi Module, Compatible with Arduino IDE Programming Adapter/Tool

**Brand:** kookye
**Price:** ₩31554
**Availability:** ❌ Out of Stock

## Summary

> ⚡ Effortless ESP01 Programming, No Buttons Required!

## Quick Answers

- **What is this?** USB to Serial Adapter Based on ESP8266 WiFi microcontroller with Power Supply Voltage 3.3V / 5V for ESP8266 ESP-01 ESP-01S WiFi Module, Compatible with Arduino IDE Programming Adapter/Tool by kookye
- **How much does it cost?** ₩31554 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/211115500-usb-to-serial-adapter-based-on-esp8266-wifi-microcontroller-power)

## Best For

- kookye enthusiasts

## Why This Product

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

## Key Features

- • **Compact & Lightweight:** Slim 14x50x10mm design fits perfectly on any workspace or toolkit
- • **Integrated CP2104 Chip:** Reliable USB-to-serial communication ensures stable data transfer
- • **Plug & Play Programming:** Seamlessly flash ESP01/01S modules without manual button presses
- • **Universal Voltage Support:** Operates effortlessly at both 3.3V and 5V for versatile project needs
- • **One-Click Firmware Updates:** Compatible with Arduino IDE and ESP8266 Flasher for instant upgrades

## Overview

This USB to Serial Adapter, powered by the CP2104 chip and ESP8266 microcontroller, offers a hassle-free programming experience for ESP01/01S WiFi modules. Supporting both 3.3V and 5V power supplies, it automatically enters download mode without manual intervention, streamlining firmware updates and serial debugging via Arduino IDE or ESP8266 Flasher. Its compact design and reliable connectivity make it an essential tool for developers and IoT enthusiasts.

## Description

Specification:· USB Adapter to load program for ESP01· Automatically enter the download mode· USB Type A interface· One 2x4P 2.54mm female header· One 2x4P 2.54mm male header· On board Reset button for ESP01· USB to Serial adapter for ESP01· Item Type: programming adapter/tool· Color: Blue· Power Supply Voltage: 3.3V / 5V· Serial debugging and sending AT command will be easy· Dimension: 14 x 50 x 10mm· Weight: 5gPackage List:2 x ESP01 USB Programmer Adapter

## Features

- 1.This module is a USB adapter or programmer for ESP01 that based on ESP8266 WiFi microcontroller
- 2.This adapter uses CP2104 USB serial port chip and adds ESP01 automatic download circuit.
- 3.It is very convenient for users to download program into ESP-01/01S, upgrade firmware, serial debugging and so on
- 4.It supports software download from application like Arduino IDE and ESP8266 Flasher with just clicking one button.
- 5.There is no need to press any button on the adapter or ESP01. The WiFi module will automatically enter the download mode.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0863DVH83 |
| Customer Reviews | 4.8 4.8 out of 5 stars (6) |
| Date First Available | March 30, 2020 |
| Item Weight | 0.352 ounces |
| Manufacturer | KOOKYE |
| Package Dimensions | 5.87 x 3.86 x 0.51 inches |

## Product Details

- **Brand:** KOOKYE
- **Data Link Protocol:** USB
- **Hardware Interface:** USB
- **Item Weight:** 0.01 Kilograms
- **Manufacturer:** KOOKYE

## Images

![USB to Serial Adapter Based on ESP8266 WiFi microcontroller with Power Supply Voltage 3.3V / 5V for ESP8266 ESP-01 ESP-01S WiFi Module, Compatible with Arduino IDE Programming Adapter/Tool - Image 1](https://m.media-amazon.com/images/I/514ADEeaYrL.jpg)
![USB to Serial Adapter Based on ESP8266 WiFi microcontroller with Power Supply Voltage 3.3V / 5V for ESP8266 ESP-01 ESP-01S WiFi Module, Compatible with Arduino IDE Programming Adapter/Tool - Image 2](https://m.media-amazon.com/images/I/514U6Zf3TbL.jpg)
![USB to Serial Adapter Based on ESP8266 WiFi microcontroller with Power Supply Voltage 3.3V / 5V for ESP8266 ESP-01 ESP-01S WiFi Module, Compatible with Arduino IDE Programming Adapter/Tool - Image 3](https://m.media-amazon.com/images/I/519cJLfJWuL.jpg)
![USB to Serial Adapter Based on ESP8266 WiFi microcontroller with Power Supply Voltage 3.3V / 5V for ESP8266 ESP-01 ESP-01S WiFi Module, Compatible with Arduino IDE Programming Adapter/Tool - Image 4](https://m.media-amazon.com/images/I/51OoRhZuA+L.jpg)
![USB to Serial Adapter Based on ESP8266 WiFi microcontroller with Power Supply Voltage 3.3V / 5V for ESP8266 ESP-01 ESP-01S WiFi Module, Compatible with Arduino IDE Programming Adapter/Tool - Image 5](https://m.media-amazon.com/images/I/51XkDyJLyjL.jpg)

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.kr/products/211115500-usb-to-serial-adapter-based-on-esp8266-wifi-microcontroller-power](https://www.desertcart.kr/products/211115500-usb-to-serial-adapter-based-on-esp8266-wifi-microcontroller-power)

---

*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-03-02*