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Radio constructor "Start-7176" (Electronic clock) since 1985 has been produced in the city of Rovno at the Gazotron plant. The RC contains a printed circuit board, a BIS K145IK1901, a vacuum-luminescent indicator IVL1-7 / 5, a RV-76 quartz resonator, as well as resistors, capacitors, diodes, etc. Included in the set RK and power supply. The assembled electronic clock has an accuracy of no less than ± 0.5 s per day. From a network of 220 V, they consume 6 watts of power. The dimensions of the printed circuit board are 130x90 mm, the weight of the watch with BP 400 gr. MC K145IK1901 - a microcontroller with extensive functionality and it can be used as a timer with a maximum counting time of 59 minutes and 59 seconds. At the same time, the device does not stop counting the time, the information is stored in the memory, so when you return to the "Clock" mode, the current time reappears on the display. The "Alarm 1" and "Alarm 2" modes allow you to turn on and then turn off the necessary actuator at a set time. You can use the microcontroller and as a stopwatch. The load capacity of the LSI is small, and it is possible to connect a signaling device on the chips and transistors. If it is necessary to control the operation of equipment that is powered from the AC network, it is necessary to supplement the clock with amplifiers and actuators. The case did not enter the set. The price of the "Start-7176" radio designer is 16 rubles.