Swedish company SolTech Energy brings solar in a different direction with their roofing tiles, made from ordinary glass in the shape of ordinary roofing tiles. I've seen the solar panel roof tiles, but I've never seen this.
For many, Excel is the go-to program for charting graphs for labwork results or for data entry and accounting. Its formula-based auto-calculations helps us save time and in many jobs it is a requirement to know how to work Excel before you even get the jo
Adafruit’s Secret Knock Activated Drawer Lock is designed to conceal traditional lock mechanisms – unlocking only when a secret pattern of knocks is detected. Essentially, a solenoid locks secures the drawer while a piezo buzzer “listens” for knocks.