“I am the door. If anyone enters by Me, he will be saved, and will go in and out and find pasture. The thief does not come except to steal, and to kill, and to destroy. I have come that they may have life, and that they may have it more abundantly.” (John, 10) In these words, the… Read More
Gentle reader, the attached video represents a little study of the leading optical safety edge technology. And, a method of replicating or hacking it. The video is not the best quality, but if you are moved by such things as this, I hope you will have patience.
Prior to the statement of the Creed in the Orthodox tradition of Christianity, the Priest or Deacon demands that a guard watch the doors. This ancient saying is included in the liturgy so that, at the time when the faithful declare their faith, and prior to the presentation of the eucharstic gifts, there can be… Read More
I attach a video demonstration of a recent project. The tubular motor for roller blinds encloses a small induction motor. Due to its size, it gets hot very quickly. It has various built in features: Thermal overload protection Built in brake to allow doors to remain open or half-open Capacitor for fluent start and run… Read More
Yes, this motor is a beauty. While playing one of Bach’s two part Inventions the other day, I heard my washing machine give out a huge groan. I had left it on, rolling about while I played the piano. On concluding my playing, I went into the kitchen to find a pall of smoke and… Read More
Yes, it is! Sorry for this post, stuffed full of information and locations where we have fitted and repaired in the last week or so. I even stuff them into a single post like so many presents in Father Christmas’s sack. It wouldn’t even be possible to steal and make use of these images, dear… Read More
Following on from our post about hot wiring a key switch, in which we showed that the ones we use don’t break open when you apply a hammer to them, we would like now to show how to wire them up. Obviously, there is a logic behind this, but if you don’t do a few… Read More