<div dir="ltr">David,<div>     I sense a gathering of the force in regards to the blue pill.  Two new instructables of projects using it.</div><div><br></div><div><a href="https://www.instructables.com/id/DIY-Temperature-Logger-With-STM32F103-MicroSD-Card/">https://www.instructables.com/id/DIY-Temperature-Logger-With-STM32F103-MicroSD-Card/</a><br></div><div><br></div><div><a href="https://www.instructables.com/id/Falling-in-Stm32-Remote-Control-for-Home-Media-Cen/">https://www.instructables.com/id/Falling-in-Stm32-Remote-Control-for-Home-Media-Cen/</a><br></div><div><br></div><div>Regards,</div><div>Doug P.</div></div>