---
product_id: 121171673
title: "ST-LINK V2 Emulator Downloader Programmer Support Programming Unit STM8 STM32"
brand: "youmile"
price: "¥2610"
currency: JPY
in_stock: true
reviews_count: 13
category: "Youmile"
url: https://www.desertcart.jp/products/121171673-st-link-v2-emulator-downloader-programmer-support-programming-unit-stm8
store_origin: JP
region: Japan
---

# 5V enhanced power output Auto firmware upgrade Flexible DuPont wiring ST-LINK V2 Emulator Downloader Programmer Support Programming Unit STM8 STM32

**Brand:** youmile
**Price:** ¥2610
**Availability:** ✅ In Stock

## Summary

> ⚡ Stay ahead in embedded programming with the ST-LINK V2 – power, protection, and precision in one sleek tool!

## Quick Answers

- **What is this?** ST-LINK V2 Emulator Downloader Programmer Support Programming Unit STM8 STM32 by youmile
- **How much does it cost?** ¥2610 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/121171673-st-link-v2-emulator-downloader-programmer-support-programming-unit-stm8)

## Best For

- youmile enthusiasts

## Why This Product

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

## Key Features

- • **Built-in Safety Fuse:** Internal 500mA resettable fuse protects your motherboard from unexpected surges.
- • **Plug & Play Flexibility:** 0.54 interface with DuPont lines adapts to any target wiring sequence effortlessly.
- • **Visual Debugging Status:** Dual red & blue LED indicators keep you informed at a glance during programming.
- • **Power Up with Confidence:** Boosted 5V output with I/O port protection guards against operational mishaps.
- • **Seamless Firmware Evolution:** Supports automatic firmware upgrades ensuring you’re always running the latest version.

## Overview

The ST-LINK V2 Emulator Downloader Programmer is a professional-grade debugging and programming tool compatible with STM8 and STM32 microcontrollers. Featuring automatic firmware upgrades, enhanced 5V power output with I/O protection, flexible DuPont wiring interface, LED status indicators, and a built-in resettable fuse, it ensures reliable, safe, and efficient embedded development for engineers and developers aiming to optimize their workflow.

## Description

Feature: Supports full range of STM32 SWD 4-wire interface debug interface definition directly marked on the shell Supports full range of STM8 SWIM download debugging, supported software versions are as follows: ① ST-LINK Utility 2.0 and above ② STVD 4.2.1 and above ③ STVP 3.2.3 and above ④ IAR EWARM V6.20 and above ⑤ IAR EWSTM8 V1.30 and above ⑥ KEIL RVMDK V4.21 and above Supports automatic firmware upgrade, the factory has been upgraded to the latest firmware V2.J17.S4 Increase 5V power output, the output I / O port protection are not afraid of operational errors caused by ST-LINK V2 damage! 0.54 interface uses simple horns seat pitch, equipped with DuPont line, can respond to different target line sequence, flexible wiring; Red and blue color LED indicator Motherboard with internal resettable fuse 500MA Note: This product will be-Packaged in Random Color -Package included: 1 x ST-LINK V2 Emulator Downloader Programmer Support STM8 STM32 1 x DuPont line

Review: Works and Cheap, but you need to do the following - It works but you need to do the following before you can use it: 1) Download STM32CubeProgrammer (preferably) 2) Plug in the USB 3) Press firmware update (dont do anything in it yet) 4) Unplug USB, and plug it back. 5) Click "Open in update mode" twice. 6) Update
Review: Works Well! - Works fine with STM32CubeIDE and STMCubeMX. Neccessary software update was finally successful after powering on and off while connected to the IDE during the Cube IDE software update procedure. There is a YouTube video explaining this issue!

## Features

- Supports automatic firmware upgrade, the factory has been upgraded to the latest firmware V2.J17.S4
- Increase 5V power output, the output I / O port protection are not afraid of operational errors caused by ST-LINK V2 damage!
- 0.54 interface uses simple horns seat pitch, equipped with DuPont line, can respond to different target line sequence, flexible wiring;
- Red and blue color LED indicator
- Motherboard with internal resettable fuse 500MA

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07QBLNDPM |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 9,361 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 1 in Programmable Logical Controllers |
| Colour | Blue,Red |
| Customer Reviews | 4.2 4.2 out of 5 stars (316) |
| Date First Available | 6 April 2019 |
| Finish | Glossy |
| Item Package Quantity | 1 |
| Item Weight | 60 g |
| Item model number | BG-YM-973898 |
| Manufacturer | Youmile |
| Package Dimensions | 8.4 x 5 x 0.6 cm; 60 g |
| Part number | BG-YM-973898 |
| Specific uses | Laptop, PC, Tablets |

## Product Details

- **Brand:** Youmile
- **Colour:** Blue,Red
- **Compatible devices:** STM32, STM8 Development Boards
- **Connector type:** JST XH
- **Specific uses for product:** Laptop, PC, Tablets

## Images

![ST-LINK V2 Emulator Downloader Programmer Support Programming Unit STM8 STM32 - Image 1](https://m.media-amazon.com/images/I/61AevSWmoyL.jpg)

## Questions & Answers

**Q: Hi. does the colours of the cable mater? i got a purple, blue, green, yellow. which pin uses which colour? many thanks.**
A: how to connect with those dupont cable depends on what's your project.

**Q: Does anyone know if it supports gd32 giga device programming?**
A: Nope

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works and Cheap, but you need to do the following
*by S***S on 25 January 2025*

It works but you need to do the following before you can use it: 1) Download STM32CubeProgrammer (preferably) 2) Plug in the USB 3) Press firmware update (dont do anything in it yet) 4) Unplug USB, and plug it back. 5) Click "Open in update mode" twice. 6) Update

### ⭐⭐⭐⭐⭐ Works Well!
*by R***Y on 10 June 2025*

Works fine with STM32CubeIDE and STMCubeMX. Neccessary software update was finally successful after powering on and off while connected to the IDE during the Cube IDE software update procedure. There is a YouTube video explaining this issue!

### ⭐⭐⭐⭐⭐ Price to performance
*by C***S on 1 October 2024*

Brilliant, bought this to mainline the Sovol SV08.. works a treat.. no need to pay more, does the job and does it well.

## Frequently Bought Together

- Youmile ST-LINK V2 Emulator Downloader Programmer Support Programming Unit STM8 STM32
- ALMOCN STM32F103C8T6 ARM STM32 Basic Learning Board STM32F103C8T6 (Type 1)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-05-17*