Often the users PC, with a passion for technical creativity, we have to make copies of drawings and face several specific problems. The paper, which made the original, sometimes it’s yellowed, stained, stains. Or bad the scanner reads the image.WHEN THE COPY BETTER THAN THE ORIGINAL
Often the users PC, with a passion for technical creativity, we have to make copies of drawings and face several specific problems. The paper, which made the original, sometimes it’s yellowed, stained, stains. Or bad the scanner reads the image.
I want to share one small advice. I have an old, since Soviet times, wall clock Mayak. In General, a good watch and was exactly, and a good design, and well preserved externally. But one day they suddenly started to lag, and then stood up. First, changed the batteries, cleaned contacts — nothing helped. After an unsuccessful repair, I was told that they have long no parts and, in General, the road them to the dump.
If you find that the remote control system (CDS) import the TV starts to fail, the first thing I usually replace a power supply in the remote. However, it is unlikely that the performance of the system was then restored fully and permanently. Often TVs continue to “act up”: require precise aiming of the remote, not controlled from great distances, do not work with the first button push…
Replacement flyback transformer in TV monitor МС6105 with CRT 31ЛК is, of course, not a major overhaul. Moreover, if the old monitor staff “strojnik” cope with the work, and to change this (very expensive, cranky and hygroscopic) node to the new is hardly appropriate.
One way to reduce interference in digital circuits, as is well known, is to install the ceramic capacitors in parallel with the power rails. The closer to the contacts of the chip capacitor is, the more effective his work is.
For the computer control various devices and objects I propose to use the method of pulse width modulation (PWM) is equally successful when working with different PCs: Intel-80286 to Pentium latest modifications. Perhaps, the only condition — the presence of a free com port. The relationship with him is up to 200 m can even be done through conventional telephone wires, no protection against the electromagnetic effects of the environment. In the transition to the more sophisticated, shielded lines of the “range” computer control with PWM increases.