simple remote control

12-44 — elektor december 1980 simple remote control Conventional remote control trans- mission units are often adorned with a large array of buttons or switches, meaning that a certain percentage of operational errors cannot be avoided. The alternative introduced here requires only one pushbutton, thereby enhanc- ing its security and ease of operation considerably. All that is required is a glance at the descriptions on the can simple remote conirol The transmitter Figure 1 gives an impression of what the transmitter unit looks like. It is constructed from a standard sized beer or soft drinks can with the text "Source I ... Source IV" written on the outside to indicate the four possible functions. Naturally, the wording could be altered to: lights, television, radio, Remote control systems have gained a foothold in all walks of life, whether it be for reasons of comfort or practicality. Probably the best known and most used system is the remote control of domestic television set...