So, just make sure you have node and node-gyp as well as the Broadcom library to build the project. 1  Download BCM2835 library and follow installation instructions. 2  In case, you don't have node-gyp, install it first: $ sudo npm install node-gyp -g. 3  Generate the configuration files.  Build the component.
Basement Leak Repair Costs. 1  Sealing a small crack or leak in the basement can cost as little as $50-$100. 2  Using products such as waterproof paint, cement coating, and caulking to seal the surface of the entire basement may cost as much as $500, including materials and labor. A complete exterior repair including excavation, waterproofing, and backfilling costs $10,000 to $30,000 depending on the size of the home.
1 Detecting leakage and finding the site of a slab leak can require specialized equipment and skills, at a cost that can range from $125-$400. 2  SlabLeakPro.com in California, for example, offers water leak detection for a flat rate of $125, while SlabLeak.com in Texas charges $375. SlabLeak.com charges a minimum of $1,850 for a slab leak in a pressurized water pipe and a minimum of $2,500 for a slab leak in a sewer (drain) line.