LED drivers
An LED driver is a self-contained power supply that has outputs matched to the electrical characteristics of your LED or array of LEDs. There are currently no industry standards, so understanding the electrical characteristics of your LED or array is critical in selecting or designing a driver circuit. Drivers should be current-regulated (deliver a consistent [...]
Bricks, Bricks Everywhere
One thing brownstones have in abundance are bricks. And I keep seeing dumpsters full of them. It is heartbreaking for me. These are beautiful bricks, a hundred years old, with character and texture.
Here is one job site where they knocked down the whole building.
There were thousands of perfect bricks. The next day they were [...]
Degradation of Recycling
This is more a technical point but something worth considering when
using materials. For example the “problem” with recycled cellulose is that it is
degraded. There is a green term for this but I forgot it. Basically
you are taking a higher purpose material – newspaper that is used to
transport knowledge – and degrading it to ripped up [...]