An intelligent control environment-friendly egg preservation box device
An intelligent control and environment-friendly technology, applied in the field of egg racks, can solve the problems of broken eggs, waste of electricity, waste of time, etc., and achieve the effect of convenient observation
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[0028] As an improved specific implementation manner, the display device 42 includes:
[0029] The digital tube circuit 421, coupled to the I / O pin of the microcontroller 41, is used for receiving the egg quantity signal to display the egg quantity;
[0030]A three-color LED lamp circuit 422 , the three-color LED lamp circuit 422 includes a drive circuit 4222 and a three-color LED lamp 4221 disposed on the external refrigerator door, the drive circuit 4222 is coupled to the I / O pins of the microcontroller 41 , is also coupled to the three-color LED light 4221 to receive the egg number signal, the drive circuit 4222 has an egg number threshold, when the egg number of the egg number signal is equal to the egg number threshold, the drive circuit 4222 drives the three-color LED light 4221 Displayed in green, when the egg number of the egg number signal is less than the egg number threshold and greater than 0, the drive circuit 4222 drives the three-color LED light 4221 to display ...
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