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利用ATMEL新一代AVR单片机AT90S2 313制作拖拉机发动机转速表和发动机工作小时计 ,相对传统的拖拉机仪表提高了可靠性、测量精度和使用寿命
The use of ATMEL new generation AVR microcontroller AT90S2 313 production tractor engine tachometer and engine hours meter, the traditional tractor instrument to improve the reliability, measurement accuracy and service life