Touch controller on the chip 145AP2. Scheme, description

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ENCYCLOPEDIA OF RADIO ELECTRONICS AND ELECTRICAL ENGINEERING
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Touch controller on the chip 145AP2. Encyclopedia of radio electronics and electrical engineering

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Encyclopedia of radio electronics and electrical engineering / Power regulators, thermometers, heat stabilizers

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The touch controller is assembled on a domestic 145AP2 microcircuit, and unlike the touch controller on the AT2313, it is controlled by one sensor without providing smooth on / off. The circuit contains a minimum of details (Fig. 1,2), and with proper assembly, it starts working immediately, without requiring additional settings. A short touch on the sensor turns the lamp on/off. When you hold the sensor, the brightness is smoothly adjusted, the state is remembered until the next adjustment.

Touch controller on the chip 145AP2

Rice. 1. Schematic diagram and appearance of the touch controller on 145AP2 (first version)

Touch controller on the chip 145AP2

Rice. 2. Schematic diagram and appearance of the touch controller on 145AP2 (second option)

Publication: msevm.com

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Scientists from the Niels Bohr Institute (Copenhagen) have developed a new ultrafast light source. It is based on an artificial atom, as well as quantum technologies. The researchers worked with quantum dots, which are a type of artificial atom. On their basis, by the way, it is supposed to build chips for quantum computers.

Traditional light sources work by harvesting energy: for example, they collect electrical energy and convert it into light. But at the same time, a significant part of the energy is lost due to the release of heat. Ultrafast light sources are lasers, light-emitting diodes, as well as devices based on the light of individual photons, created using quantum technologies. The idea of the latter was voiced in 1954, but it was only possible to implement it today.

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