There is a problem with my stm32 blue pill , I'm using keil u vision software to program it but it shows TARGET NOT CONNECTED whenever i try to upload some code .

[KMala.1]

..

[dbgarasiya]

are you getting proper voltage supply?

[Peter BENSCH]

This thread relates to a so-called Blue Pill, which uses illegally cloned STM32F103. ST resources are only dedicated to supporting genuine ST products. We are not committed to ensuring that clones/fakes products work properly with the firmware we provide.

We recommend to purchase genuine products from STMicroelectronics and purchase them from known and trusted distributors.

This thread will now be locked. However, if you face difficulties while using genuine ST products, we’re here to assist you. Please feel free to start a new thread, and our team, along with community members, will be ready to help you with any issues/questions you encounter.

Thank you for your understanding.

Regards
/Peter