A cannabis grower can measure the pH of a water sample using special pH tester drops or a digital pH pen, like the one shown here on the right. Okay, so why is pH important to cannabis growers? Cannabis naturally likes a slightly acidic environment at the roots. Soil with a slightly ...
A common practice is to wrap switch terminals with electrical tape once their wires are connected. In my case, the old switches had exposed terminals so I made a mental note to tape them later. Just to be safe, use a voltage pen to check for a live current. With your voltage pen turn...
Once the appliance has been filled, open a hot water faucet nearest the heater and allow the trapped air created by the installation to work out of the plumbing. With the appliance filled, shut off the water faucet and restore power to the heater. Let it warm up and open the warm water...
You’re basically done. Drop you’re new batteries into your device, make sure the batteries are plugged in, and power up. It should work. If not, check that you have the proper voltage and current going to the batteries for your device. In fact, check that first. It’ll save you f...
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As I said in the comments to the OP and to Aaron's answer, there are several wiring failures that could cause an NCVT (non-contact voltage tester; usually a pen-looking thing that beeps when you point it at a live electrical wire) to light up, and some that even a plug tester can...
I mean, a wireless mouse for $2? A keyboard and mouse set for under $6? There's not much to complain about there. Also:Temu vs. Amazon: Which shopping site is best for your buying needs? I spent $99.77 for the entire haul. Had I placed that same order today, it would have co...
tester. The Teensy will report over USB, the two pin numbers that are connected when you press a key. After every key has been pressed, the results can be transferred to a row-column matrix and used by the TMK/QMK keyboard controller software or a home-brew Teensyduino routine. The ...
For this blog on how to scroll to an element in Playwright, we will use the Python API of Playwright. Step 1: Create a dedicated virtual environment Creating a dedicated virtual environment is a good practice when working with Python. It helps create an isolation between dependencies for ...