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I have a lot of bees drinking from the bird bath fountain. This bothers the birds and makes it hard for me to clean. So I am giving them their own watering hole. To lure them away from from the bird bath I will add a drop or two of rose essence to the water bottle.
You said......."There are FOUR wires inside a normal USB cord and the colors are red, black, white and green. These colors help identify their connection. Red is 5volt+, black is Gnd -, white is data - and green is data +. Some cords use different colors but the connections can still be identified by using the image to help with pin out. The picture I included has the pins numbered, 1 is red 5 volts+, 2 is white data -, 3 is green data +, 4 is not used unless its an OTG cable and 5 is Gnd, black. You have to connect pin 5 to 4. When pin 4 is connected to pin 5," ............ But you are describing FIVE pins. ???
So Cal western exposed windows are brutal when the sun goes down. Heat and glare. Nothing to see through my windows so I bought the car shade mat'l at do It Center by the yard and with just a bead of silicon glue around the edges I tacked the shades on the outside, except second floor which was too high. I wish someone would publish a DIY plan for wooden outside louvers.
I wonder if this prop is light enough to be supported by a helium filled balloon so will be swayed by moving air.
I came to this publication via another youtube video by this author. There You can watch a demonstration of this gismo and the purpose for what it was intended . This dummed down version is pretty much useless.
Actually, those transistors will charge capacitors at a rate of milli amps, but the discharge rate of the capacitors are not restricted.
Voltage divided by resistance gives you the current.You don't really know what resistance is going to hang on to those HV terminals of 450 volt. And those capacitors pack enough juice to make you see stars.But still, adding a fuse defeats the whole purpose, which is giving something a jolt.
Thanks for sharing your experience. The idea's are pretty simple but your story is saving many diy-ers the trouble of trial and error. Something I am well aquainted with.
These pencil erasers dry up and become useless and make the smudges even worse. The hi polymer eraser (from Pentel) was a new one on me and I found that they work great.
I don't think that a certain flow rate is critical. Any heat that is absorbed by the tubes will be absorbed by the water flow through it and will contribute to raising the temperature of the pool water. If the tubes get warm to the touch some heat may be lost into the air.