Computer interfaces. Schemes, articles of the Free Technical Library

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Computer interfaces. Schemes, articles, descriptions

Free library / Schemes of radio-electronic and electrical devices

Computer interfaces

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Solar Cell Tester

Section Alternative energy sources. You can use solar cells just like any other power source. Each of them is designed to maintain a certain amount of current at a given voltage. However, unlike conventional power supplies, the output characteristics of a solar cell depend on the amount of incident light. For example, an incoming cloud can reduce power output by more than 50%. Moreover, not all elements produce the same power under the same lighting conditions, even if the elements are identical in size and design. Deviations in technological conditions can lead to a noticeable spread in the output currents of elements of the same batch. These factors must be taken into account when developing and manufacturing structures with solar cells ... >>

Device for remote monitoring of the health of piezoelectric sensors

Section Security devices and signaling of objects. The danger of the consequences of an accident makes it necessary to impose increased requirements on the reliability of the measuring channel and, above all, the sensor, since it is operated in the most difficult conditions that exist at this facility. There is a need to control its properties as a means of measurement more often than is done with periodic (usually once a year) verification. Since the sensor is often installed in a hard-to-reach place (for example, under the casing of the unit), control must be carried out remotely. The control method [1], implemented in the described device and making it possible, is based on the fact that the piezoelectric transducer of the sensor is reversible, it generates an electrical signal when it is mechanically acted upon and experiences mechanical deformation when an electrical voltage is applied. In both cases, the level of response to the impact is determined by the same coefficient, called the piezo-modulus ... >>

Capacitors. Code marking

Section Reference materials. In accordance with IEC standards, four ways of coding the nominal capacitance are used in practice. 1. Encoding with 3 digits. The first two digits indicate the value of the capacitance in picofarads (pf), the last - the number of zeros. When the capacitor has a capacitance of less than 10 pF, then the last digit can be 9. For capacitances less than 1.0 pF, the first digit is 0. The letter R is used as a decimal point. For example, code 010 is 1.0 pF, code 0R5 is 0.5 pF ... >>

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Articles on computer interfaces

Articles on computer interfaces; schemes of computer interfaces; descriptions of computer interfaces: 43 articles

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Latest news of science and technology, new electronics:

Artificial leather for touch emulation 15.04.2024

In a modern technology world where distance is becoming increasingly commonplace, maintaining connection and a sense of closeness is important. Recent developments in artificial skin by German scientists from Saarland University represent a new era in virtual interactions. German researchers from Saarland University have developed ultra-thin films that can transmit the sensation of touch over a distance. This cutting-edge technology provides new opportunities for virtual communication, especially for those who find themselves far from their loved ones. The ultra-thin films developed by the researchers, just 50 micrometers thick, can be integrated into textiles and worn like a second skin. These films act as sensors that recognize tactile signals from mom or dad, and as actuators that transmit these movements to the baby. Parents' touch to the fabric activates sensors that react to pressure and deform the ultra-thin film. This ... >>

Petgugu Global cat litter 15.04.2024

Taking care of pets can often be a challenge, especially when it comes to keeping your home clean. A new interesting solution from the Petgugu Global startup has been presented, which will make life easier for cat owners and help them keep their home perfectly clean and tidy. Startup Petgugu Global has unveiled a unique cat toilet that can automatically flush feces, keeping your home clean and fresh. This innovative device is equipped with various smart sensors that monitor your pet's toilet activity and activate to automatically clean after use. The device connects to the sewer system and ensures efficient waste removal without the need for intervention from the owner. Additionally, the toilet has a large flushable storage capacity, making it ideal for multi-cat households. The Petgugu cat litter bowl is designed for use with water-soluble litters and offers a range of additional ... >>

The attractiveness of caring men 14.04.2024

The stereotype that women prefer "bad boys" has long been widespread. However, recent research conducted by British scientists from Monash University offers a new perspective on this issue. They looked at how women responded to men's emotional responsibility and willingness to help others. The study's findings could change our understanding of what makes men attractive to women. A study conducted by scientists from Monash University leads to new findings about men's attractiveness to women. In the experiment, women were shown photographs of men with brief stories about their behavior in various situations, including their reaction to an encounter with a homeless person. Some of the men ignored the homeless man, while others helped him, such as buying him food. A study found that men who showed empathy and kindness were more attractive to women compared to men who showed empathy and kindness. ... >>

Random news from the Archive

New DaVinci Media Processor for HD Video Transcoding 29.12.2007

Texas Instruments has released a new media processor based on DaVinci technology for video transcoding in media gateways, multipoint video conferencing devices, digital media adapters, digital video recorders and IP receivers.

The new TMS320DM6467 processor is a DSP-based single-chip system specially adapted for real-time multi-format high-definition (HD) video transcoding. This solution combines an ARM926EJ-S core and a 600MHz C64x+ DSP core with an HD video processing co-processor, conversion tool, and configurable video port interfaces.

It also delivers 264x faster performance than previous generation processors in synchronous HD multi-format decoding and transcoding, up to H.4 HP@L1080 encoding (30p@1080fps, 60i@720fps, 60p@ XNUMX frames per second).

The DM6467 integrates ARM and DSP cores with HD video/still image co-processors, a video conversion subsystem, and configurable video port interfaces.

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