Logitech G502 X Mouse. Free Technical Library News

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Mouse Logitech G502 X

02.09.2022

Logitech has released the Logitech G502 X mouse. It is available in three variants: G502 X Standard, G502 X Lightspeed, and G502 X Plus. For the first time in the series, black and white are available.

The standard Logitech G502 X is the wired version, while the Lightspeed and Plus models use the Logitech Lightspeed wireless connection. Wireless versions of the mouse can be charged via USB-C or using Logitech Powerplay charging mats.

They all come with the new Logitech Opto-Mechanical Mouse Switches. The company has developed a mechanical trigger that provides improved tactile feedback when the button is pressed. The company called these Lightforce Dual Switches.

Hero 25K DPI sensors are used. The DPI switch button has been redesigned - it is now removable and double-sided so that it can be used with different grip options. The scroll wheel has also been redesigned to be more stable and lighter.

The Logitech G502 X Plus features Lightsync RGB lighting with eight customizable LEDs. The backlight can automatically turn on and off depending on the mode of use to conserve battery power.

The standard version of the Logitech G502 X mouse is $79,99, the Lightspeed version is $139,99, and the Plus version is $159,99.

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Electronic bra monitors the figure 13.12.2013

American researchers built devices into the bra that can take an ECG and measure the electrical conductivity of the skin, which changes with sweat (which can indicate excitement), as well as an accelerometer and a gyroscope. The development allows you to track the mood of a woman using sensors built into the bra, and sends a notification to a smartphone if a woman is diagnosed with stress and there is a danger of overeating.

Erin Carroll of the University of Rochester, as well as her colleagues from the University of Southampton and Microsoft, initially conducted a study in which they monitored the nutrition and mood of 12 people (10 women and 2 men) using a mobile application. It was found that half of the subjects were prone to overeating when stressed, but timely reminders of stress-reducing techniques (such as breathing exercises) helped them to control themselves.

After that, it was proposed to integrate devices for measuring the electrical conductivity of the skin and electrocardiography into the bra. As you know, the electrical conductivity of the skin changes when a person sweats, and this may indicate excitement. An accelerometer and a gyroscope were also built into the bra. By monitoring a woman's mood, the 'smart' bra sends notifications to her smartphone about the dangers of overeating.

The development was tested by 4 women. During the experiment, they had to report data on their emotions to scientists for 4-6 hours a day for 4 days. The researchers compared these data with instrument readings, after which they created an algorithm that recognizes the excitement of a woman with an accuracy of 75%.

The use of a bra during the experiment was due to the fact that it is possible to install a device for recording an ECG near the heart. As for attempts to create similar clothes for men, they turned out to be associated with certain difficulties.

Original health monitoring devices that can be worn on the body have recently become increasingly popular. For example, in October, a bra appeared that sends a message to Twitter every time it is unbuttoned. The developers believe that this should encourage women to get tested more often for breast cancer.

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