4-digit LED watch in the form of a kit for self-assembly. It is equipped with a light sensor, thermistor and buzzer, and is controlled by two buttons. The watch is powered via a USB connector. The whole thing is closed in a transparent housing. The watch allows you to set alarms and change the system from 24-hour to 12-hour.
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Soldering set, which includes: soldering iron, tin, sucker and stand for soldering iron
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4-digit LED watch in the form of a kit for self-assembly. Equipped with a light sensor, thermistor and buzzer, it is controlled by two buttons