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 ...
Researching, planning and completing a do-it-yourself (DIY) project can bring a sense of accomplishment and offers a potential way to save time and money by avoiding hiring a professional. It’s also a ...
Here is a VLF receiver tuned to 300 kHz designed to detect the crackle of approaching lightning. A bright lamp flashes in sychrony with the lightning bolts indicating the proximity and intensity of ...