51 Research and Design, Electronic Engineers website - Embedded Systems, MCU, DSP, EDA, Test and Measurement, Components, Communications, Power, Microelectronics, Semiconductors

Monday, September 15th, 2008 at 15:39 | No comments

Categories: SCM

Tags: AT89C51, elevator, pronunciation serves, speech chip, The ISD

Short Content: 1 introduction    Along with urban civilising and modernization step's quickening, elevator's service request is also getting higher and higher to the building, the people pursue the intellectualization, user-friendly to ride the ladder environment more and more. In the elevator pronunciation service aspect, is mainly the traditional manual service at present, namely informs the floor which as well as other related service information through the elevator manager the passenger must arrive. This article take the monolithic microcomputer and the ISD speech ...

Monday, September 15th, 2008 at 01:30 | No comments

Categories: SCM

Tags: AT89C51, elevator, pronunciation serves, speech chip, The ISD

Short Content: 1 introduction    Along with urban civilising and modernization step's quickening, elevator's service request is also getting higher and higher to the building, the people pursue the intellectualization, user-friendly to ride the ladder environment more and more. In the elevator pronunciation service aspect, is mainly the traditional manual service at present, namely informs the floor which as well as other related service information through the elevator manager the passenger must arrive. This article take the monolithic microcomputer and the ISD speech ...