![]() ![]() After connecting the two devices, I tried to upload a simple test program, but it just wouldn’t work and the error messages were also rather cryptic. The pin-out diagram is printed on top of the ST-Link/v2. The ST-Link/v2 has a 10 pin interface through which it interfaces with the development board. In particular, I found the STM32 ST-Link Utility (STSW-LINK004) to be quite helpful - although it’s only available for Windows.įigure 2: Screenshot of the STM32 ST-Link Utility The problem ST provides also some optional software tools for their microcontrollers. ST has come a long way integrating their stuff into Eclipse, but in 2020 it’s now working well, even on MacOS □. I’m a big fan of Microsoft’s free and cross-platform Editor/IDE Visual Studio Code, but when it comes to ST microcontrollers I prefer to use their STM32CubeIDE. The boards are certainly also knock-offs, although the CPU appears to be genuine. So I ordered a few clones on Aliexpress along with a bunch of ‘Blue Pill’ boards. In the past, I used an original ST-Link/V2, but it became a victim of my last move. Over the years I’ve used occasionally the ‘ Blue Pill’ which is a little development board, comparable in size with the better known Arduino Nano, but with a modern and more capable ARM Cortex M3 CPU ( STM32F103C8T6).įigure 1: ST-Link/v2 knock-off connected to a ‘Blue Pill’ development board ![]() Read on to learn about the problem, the symptoms, and the (super) easy fix. However, making them work was pretty frustrating. I recently ordered a few of these cheap ST-Link/v2 clones for a new project. Due to its capabilities, it is an extremely popular device and clones are available from your preferred Chinese trading platform for less than 5 euros. The ST-Link/v2 is an in-circuit debugger and programmer for the STM32 and STM8 microcontroller families. ![]()
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