when you push a toaster lever down, you're compressing a spring. To automatically eject the toast, a solenoid releases the latch and the toast pops up on the spring's stored energy. Solenoids operate water valves in dishwashers and washing machines; you can often hear a click a moment bef...
(See "How does a long-distance call work?" for a more detailed description.) Hand-generated! You know the hand crank on those old-fashioned telephones? It was used to generate the ring-signal AC wave and sound the bell at the other end! Creating Your Own Telephone Network Creating ...
Does study power impact on type 1 error? What is the minimal setup for a Catholic mass? Minimum Bend Radius of a FR-4 PCB What is the value of facts in philosophy? How is AES-128 still considered to be quantum resistant? Bipolar analog latch circuit needed Alternative to regular...
A refrigerator is one of the few appliances in your home that runs continuously, day or night, keeping your food cold. If you consider how hard a refrigerator has to work, it is actually quite amazing that they break down so infrequently. On the rare occasion your refrigerator does stop w...
only required for the proper work of the device. However, it does not provide enough protection from electric shock if the input-to-output insulation suffers a breakdown or fault. This level of protection must meet at least one of the standard’s requirements sets: ...
By lifting a tiny, embedded latch at the bottom of the strip, the user can user pull it away from the skin for cleaning. The recharging strip uses layers of two separate metals to turn a person's ear into a thermoelectric generator. The piece of metal in contact with the skin is ...
When a computer on the stub domain that has an inside local address wants to communicate outside the network, the packet goes to one of the NAT routers. The NAT router checks the routing table to see if it has an entry for the destination address. If it does, the NAT device then tran...
Electric hoists may be used as stand-alone equipment or as part of a lifting system. Some of the applications of electric hoists are engine hoists, overhead cranes, jib cranes, gantry cranes, monorail cranes, and workstation cranes.
How does STA work? When performing timing analysis, STA first breaks down the design into timing paths. Each timing path consists of the following elements: Startpoint.The start of a timing path where data is launched by a clock edge or where the data must be available at a specific time....
I'm customizing a Xamarin.forms.control. I want to put it inside a "box", we can call it rectangle.So all I want is the border. this.Control.SetBackground(d); here d has to be a Android.Graphics.Drawables.Drawable. How can I create such a drawable,just the borders of a box?