Frances Ellen Watkins Harper (1825-1911). Her bio is beyond the scope of this entry, but I encourage you to follow the link and check her out. Get a little perspective on life today by reading a paragraph about this amazing human being and poet.

Harper’s poem, “Let the Light Enter,” depicts light in an interesting and fresh way, fresh still, even 100 years after her death. Poetry, generally speaking, is like a vast collection of opportunities to learn about yourself and the world in which you live. I invite you to take a minute to read “Let the Light Enter.”

The Dying Words of Goethe

He just urgently wants to watch the “balmy sunshine/ Play around” his deathbed. He just wants to experience the sensation of light doing it’s thing. “More light!” he demands. It strongly suggests that appreciating and enjoying the beauty of light is what Goethe, a lifelong thinker and poet who lived from 1749 to 1832, finds most worthy of his final precious minutes. That’s a big deal. In choosing between the pleasure of thoughts and the pleasure of the material world, he chooses the latter. It’s like all the things that seem to separate us from the natural world are shown to be false in the final moments. Think of a dog lying on a rock in the sun. Maybe that’s the purest state of being, just lying there, not thinking much, and enjoying the pleasure of the light, the sound of a brook. And maybe that’s why Goethe wants to pass away in such a state.

Automation lies at the core of much of our modern lives. However, it evolves at radical speeds. The simple concept, to build a machine to perform a task without human intervention, was the engine of the industrial revolution. Now that concept is the driving force behind robotics, self-driving vehicles, and a wide range of advanced technologies.

Most automated tasks are part of a closed-loop system. This system is designed so that the outputs are monitored and fed back to the controller. The controller changes its operation as needed. An example of a closed-loop system is a home thermostat, which monitors the air temperature. When the low set-point is reached, a contact closes in the thermostat, beginning a furnace lighting cycle. As the furnace runs, the room air temperature increases until the high set-point is reached. The contact opens and ends the furnace burn cycle. This is automation.

With electrical relays, it is possible to achieve a variety of automatic functions. A motor starter uses a relay to close a contact that sends electrical power to a motor. In addition, it closes a set of auxiliary contacts that keep the main relay closed. A control mechanism, such as a temperature input or a stop button, can be wired in series with the auxiliary contact. This allows for control of the motor. An expansion of relay logic is the programmable logic controller or PLC. Instead of mechanical relays, a PLC uses a set of input and output contacts connected to a computer controller. Software in the controller then dictates how the inputs and outputs interact. They additionally execute specific patterns of operations, based on programmed ladder logic.

RGB LED strip lights are a great way to add a pop of color to your above-ground pool. These low-voltage LED lights can be applied to the inside rim of your pool or around your pool deck. With RGB LED strip lights, you can choose from a ton of dynamic color-changing and single-color modes with adjustable brightness and speed control. They’re great for parties or late-night swims and can be easily installed. We’ve included installation instructions for our waterproof LED strip lights. Some cities require above-ground pool lighting to meet National Electrical Code (NEC) Article 680 standards, which would limit possible pool lighting installation locations. Before you purchase LED pool lights, check your city’s code requirements. We also recommend that you have a certified electrician install your lights.

1) Before ordering your LED strip lights, measure the diameter of your pool and multiply by 3.14 to find its circumference; this number indicates the total length of strip that you will need. The 21-foot pool used for these installation instructions has a circumference of 65.94 feet and requires 4 runs of 16-foot LED strips.

You will also need to measure the distance between where your power supply will be and both sides of your pool where the amplifiers will be installed (see the setup and wiring illustration below). These distances will tell you how much 18-gauge wire you’ll need for connecting the amplifiers to power. Make sure to account for the distance of any dips or turns that the wires may take along their paths.

Lastly, measure the approximate distance that will be between your controller and where your strip lights begin. This distance will tell you how much 22-gauge wire you’ll need for connecting the controller to your strips. You will also need two small sections of this wire for connecting your first and second strip lights to the amplifiers.

2) Before you’re ready to install your LED strip lights, be sure to drain your pool. Begin by creating or locating a dry area away from your pool for the power supply. The power supply should be contained in a weatherproof box. Power supplies should be installed between a ground fault circuit interrupter (GFCI) protected circuit and the pool’s junction box. It’s crucial to use a GFCI protected circuit as it shuts off if current flows where it’s not supposed to.

Wire the included plug to the power supply, but do not connect to power until the installation is complete.

3) Connect your RGB LED controller to the power supply. Cut the barrel off of the controller wiring. Strip back the remaining wires, and connect its wires to the power supply.

4) Cut the LC2 connector off of the remaining end of the controller, and strip back the wires. Run 22-gauge four-conductor wire to connect the controller to your low-voltage pool lights; use dolphin connectors to join like-colored wires. Connect your first two LED strip lights to the controller by joining each set of like-colored wire with a dolphin connector. You should be connecting four wires of each color (red, blue, green, and black) together. For added protection, cover all wire connections in this installation with electrical tape.

5) You will apply strip 1 clockwise around your pool rim and strip 2 counterclockwise. If you have a flat surface, use mounting clips to secure the strips in place as you go. If you want to mount the strips under your pool rim, drill small holes in the trusses approximately every 2 feet. Use cable ties to anchor the strip to the truss. You can also use speed nuts or cotter pins for strip anchoring to avoid drilling holes.

Solder a small section of 22-gauge four-conductor wire onto the strip’s end terminals. To reseal the LED pool light strip, slide wires through the holes of a 10-mm end cap, fill the cap with silicone, and slide it into place on the end of the strip. Be sure to cover all of the exposed conductive traces to ensure water resistance. Allow a minimum of two to three hours for the sealant to cure.

7) Once the new end wires are attached to the strip, you will mount the amplifier. Use the double-sided 3M foam pad to mount the amplifier in the middle of strip 1 and strip 3. For best results and added security, apply 3M adhesion promoter to the amplifier and its installation location on the pool wall.

8) Using a dolphin connector, join each like-colored wire on strip 1 to the same color on one end of the amplifier. Do the same when connecting strip 3 to the other side of the amplifier. You should be connecting three wires in each color (red, blue, and green) together on each side of the amplifier. The black strip wire will be joined with white amplifier wire. Note that the separate group of just black and red wires are meant to be connected to the power supply. Follow the same instructions for connecting strips 2 and 4 to the amplifier on the other side of the pool.

9) Use 18-gauge wire and dolphin connectors to connect the amplifiers to your power supply.

10) Plug the power supply’s attached cord into an outlet, and enjoy your LED pool lighting system! Refill your pool with water, but make sure to leave space between the water line and the lights.

For more LED pool lighting options, see our entire selection of waterproof color-changing LED strip lights.

For technical questions, don’t hesitate to call us toll free at 866-590-3533. Our customer service and technical support teams are available from 8:30 a.m. to 8 p.m. CDT Monday-Thursday and 8:30 a.m. to 4 p.m. CDT on Friday.

There’s a long checklist of to-dos and to-buys for leaving the nest and venturing out into the world. This list of LED dorm lighting ideas and LED gifts for college will make life away from home easier, safer, and even prettier!

Being a long way from home doesn’t come without its risks. Flat tires and breakdowns happen every day, and it’s best to be prepared for them. RGBW LED smart bulb replaces standard A19 globe bulbs and is designed to fit medium screw base sockets. It emits multicolored and white illumination and comes with a touch-color remote to control color, brightness, and nine dynamic fade/flash patterns. The long-lasting LED bulb can also be controlled with an Apple or Android smartphone or tablet with a Wi-Fi Controller Hub (sold separately).

It's safe to say that few people actually look forward to doing laundry, and when you have a poorly functioning washer and dryer, the process is only made all the more painful. This is especially true if you live in a space where you have to share your laundry machines with others and are forced to pay for every load you wash. Sending your clothes through a dryer twice is a waste of quarters that you could be saving for your next load - not only that, but running your dryer more times than you need to is sure to start taking a toll on your electric bill.

You have a few options that you can look into to address this issue. If your dryer isn't heating up as much as it should be to actually remove the moisture from your clothes, don't jump to the conclusion that you need to replace it. Many homeowners will make the mistake of buying new appliances, spending hundreds of dollars picking out a top-of-the-line model, only to find that it too isn't adequately drying your clothes.