Never miss a blown fuse again! This ultra-simple four-component circuit ensures you’re instantly alerted when a mains fuse fails, using an active flashing LED — no complex measuring needed, just smart ...

Get Instant Summarized Text (Gist) A comprehensive wiring diagram and functional map of a mouse brain's visual cortex, the largest to date, has been created from a cubic millimeter of tissue. This ...

What You'll Build: A compact device that displays State of Charge (SoC) and State of Health (SoH) of lithium batteries using LED bars. Perfect for salvaging old cells or DIY power banks! Key Features: ...