Description: First, the curriculum design title: Single-chip controller Darlin teaching program design 2, design requirements: LED digital display with hour, minute, second time, to minimize the time the accumulation of errors, with flash function seconds. Set up to 40 point in time to fight bell, bell time playing with non-volatile memory data storage, power-down to prevent loss of data can check one by one, modify, delete set point in time to fight bell and bell playing time increase. On when the bell time playing with the keyboard settings, keyboard is designed to be simple and easy to operate. Strong function of electric drive, easy to control the bells 220V.
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单片机教学打铃控制器
....................\Backup of 1111.lib
....................\MyDesign.Bkp
....................\MyDesign.ddb
....................\MyDesign1.Bkp
....................\MyDesign1.ddb
....................\MyDesign2.Bkp
....................\MyDesign2.ddb
....................\单片机教学打铃控制器.Bkp
....................\单片机教学打铃控制器.ddb
....................\单片机教学打铃控制器.doc
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