AVT2770 B

During Christmas, every house has a Christmas tree. The unique charm of its decorations in combination with lighting causes that every day during the approach of the evening we turn on the Christmas tree lights. However, after some time, the need to turn off the lighting for the time of sleep becomes bothersome. The presented device plays the role of the automatic switching on and off the lamps. A photosensor reacting to the arrival of the evening was used, the microcontroller is responsible for switching the system off after a specified time.

The device is especially recommended for holiday enthusiasts and users of devices that produce lighting effects

Selected parameters:

• light sensor - phototransistor
• operating indicator - LED diode
• setting the delay and controlling the work mode - microswitches
• a contactless output system
• power supply - 230 Vac
• in the set a printed circuit board, a set of elements and documentation
  Detailed description in EdW 11/05