Would you like to have a small digital oscilloscope? Do you have a spare BlackPill (STM32F401) board and a TFT display laying around? [tvvlad1234] presents us with a simple and educational digital ...

[A Dual System Designs]-This soldering station combines 60W soldering iron station and 600W hot air rework station for versatile use when it provides dual display system and dual power switch and ...