I got one of these and updated the firmware. After that, it worked for 2 days and now it won't return a device descriptor. Is that common?

I updated both units I have with no issues.

How do you get the pcb out of the case? i want to check pinouts on the silkscreen vs. the case. thank you...

Based on others who have opened the case...the silkscreen is accurate for Hiletgo . This was the case for mine even those it was reversed from the picture. So I chose not to open the case and trusted the markings with good results. HiLetgo has several manufacturing batches ...but the markings match the hardware it seems.

Can someone tell me what exactly these are for? Can i reprogram an electric scooter?

Used mine to reprogram my frsky R9 module

Hiletgo V2 Emulator Downloader Programmer Stm32f103c8t6 Stm8 Stm32 With Cable

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Description

🚀 Elevate Your Tech Game with HiLetgoV2!

ERROR PROOF DESIGN - Built-in I/O port protection ensures your work remains safe from operational mishaps.
POWER UP YOUR PROJECTS - Experience a 5V power output that elevates your projects to new heights!
FLEXIBLE WIRING OPTIONS - Includes a 20CM DuPont line for versatile and adaptable connections.
USER FRIENDLY INTERFACE - Easily connect with a simple 2.54mm pitch interface for hassle-free setup.
STAY UPDATED EFFORTLESSLY - Automatic firmware upgrades keep your device at the cutting edge of technology.

The HiLetgoV2 Emulator Downloader Programmer is designed for STM32F103C8T6 and STM8 microcontrollers, featuring enhanced 5V power output, robust I/O port protection, and a user-friendly interface with automatic firmware upgrades. Ideal for tech enthusiasts looking to streamline their programming experience.

Reviews

P**L

Work properly with STM32CubeIDE

So when I first tried to use this, and being very new to using STM32CubeIDE, I did two stupid things, I selected all unused pins as analog, and I also selected one of the STlink pins as an output. So I downloaded by program, STlink could no longer communicate to my project. So don't do the above without setting up the pins you need to use.

5.08.2024

T**R

Worked fine on Windows 11

Worked fine for me using STM32CubeProgrammer on Windows 11. I was able to flash the latest binary to my NanoVNA. No issues. Didn't have to install any drivers.

9.06.2026

A**I

Amazing

Perfect

4.08.2025

M**D

لا يعمل

سئ جدا ولا يعمل

27.02.2026

J**B

Works for installing custom firmware on my YouTube pro scooter

Does what I needed to do works just fine

8.07.2026

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ASIN	B07SQV6VLZ
Best Sellers Rank	#168 in Single Board Computers (Computers & Accessories)
Customer Reviews	4.5 4.5 out of 5 stars (443)
Date First Available	June 3, 2019
Item Weight	0.634 ounces
Manufacturer	HiLetgo
Package Dimensions	3.46 x 1.77 x 0.35 inches

HiLetgo V2 Emulator Downloader Programmer STM32F103C8T6 STM8 STM32 with Cable (Random Color)

Description

Specifications

Reviews

Common Questions