There is an urgent need for a reference material for infrared remote control electronic password lock of single chip microcomputer. About five foreign languages. The more, the better. Thanks in advance. [1] Yu Dianhong, Xinnian Wang. Experimental course of single chip microcomputer principle and programming [M]. Xi 'an: xidian university Publishing House, August, 2007.

[2] Zhao Wenbo, Liu Wentao. Programming with C5 1 language [M]. Beijing: People's Posts and Telecommunications Publishing House, 2005, 10.

Li aiqiu Design of infrared remote control 12 digit electronic password lock [J]. Journal of Wenzhou Vocational and Technical College, Vol.8, No.0 1 2008.

Huang Hong Chen Jie. Sensors and detection technology [M]. Beijing: Higher Education Press, 20 10/0,8.

Zhou hangci Single chip microcomputer application programming technology [M]. Beijing: Beijing University of Aeronautics and Astronautics Press, 20 1 1, 2.

Li chaoqing Principle and interface technology of single chip microcomputer [M]. Beijing: Beihang University Press, 2005, 10.

[7] Sun Yucai. MCS-5 1 Series Single Chip Microcomputer and Its Application [M]. Southeast University Press, 2004,6.

Shen Hongwei. Design advantages and analysis of single-chip microcomputer application system [M]. Beijing: Beijing University of Aeronautics and Astronautics Press, 2003.

[9] Xu Aijun, Peng Xiuhua. Application design of high-level language C5 1 for single chip microcomputer [M]. Beijing University of Aeronautics and Astronautics Press, 2006.

[10] Zeng Yijiang. Principle and interface technology of single chip microcomputer [M]. Beijing: Science and Technology Press, 2009, 12.

Kang huaguang Fundamentals of electronic technology (analog part) [M]. Beijing: Higher Education Press, 2004,4.

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Philips. Product specifications. COMS monolithic 8-bit microcontroller.

Herman ·K·p· Newbert Instrument sensors-introduction to performance and design, 2nd edition [M]. Oxford clarendon Press. 1975.