Multifunctional digital photo frame
A digital photo frame, multi-functional technology, applied in the direction of cathode ray tube indicator, medical science, instrument, etc. Effect
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[0015] Example: such as Figure 1 to Figure 3 As shown, a digital photo frame with an indoor environment detection function includes a circuit board 11, a display screen 3 and a power supply unit, the circuit board 11 is provided with a microcontroller 1 and is electrically connected to the microcontroller 1 and the display screen 3 Between the display screen drive circuit 2 and the backlight drive circuit 4, the audio power amplifier circuit 12 electrically connected between the microcontroller 1 and the speaker 13, the memory connected to the microcontroller 1, the USB interface 15 and the external memory card interface 16. The audio power amplifier circuit 12 is also provided with an earphone interface for the user to plug in the earphone 14 .
[0016] The memory includes SDRAM memory 5, NAND flash memory 7 and NOR flash memory 6, which are connected to the data bus and address bus of microcontroller 1, and the memory card interface is connected to the memory card signal po...
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