What looks like a simple ditch in a pasture is actually a powerful tool for protecting the land. No one knows this better than Laurence Manchee of Keela Permaculture Farm, who recently detailed why he ...

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 ...