keyboardco
trolmoduleLCDdisplaymodulethesteppermotordrivemodulepositio
detectio
modulefivefu
ctio
almodulesSystemsoftwaredesig
usi
gCla
guagei
cludi
gthemai
programprocess
umberkeysthekeyoffu
ctio
processesmotordriverha
dlerthedisplaymodulepositio
acquisitio
moduleThisdesig
usesSTC89C52microco
trollerasthemai
co
troller44matrixkeyboardasa
i
putLCD1602LCDasadisplayULN2003AchipassteppermotordriverSystemhasagooduseri
terfacekeyboardi
putsteppermotorru
i
gdista
ceSteppermotorca
ru
atdiffere
tspeeda
dru
toa
ygive
positio
accuratelyi
a
yspeedwithoutexceedi
gthemaximumspeedwithastro
gadjustableDisplaytheru
i
gdista
cea
dtheactualru
i
gdista
cewhichismoreco
ve
ie
tfortheoperatortouseKeywordsSCMstepperLCDkeyboarddriver
f目
111122212223232324331
录
前言1步进电机的发展1设计要求1系统方案分析与选择论证1步进电机的选择1步进电机驱动方案的选择2显示方案的选择3键盘方案的选择3步进电机位置检测方案的选择3整体方案4主要芯片介绍与硬件电路设计4单片机最小系统模块4
311单片机介绍4312单片r