LM8365电路做成有时钟显示,眼镜能红录变色的招财猫市场上有一种会招手的金色招财猫(用太阳能电池、高在12.0
公分)
本人利用了其壳体、内部摆动线路,新增加时间数显电路、红录变色电路、外接直流源。
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在装太阳能电池的空间调上四只数显管,内部增加了时钟电路及红、录变色电路。外接[size=font-size:12.0pt,12.0pt]6V[size=font-size:12.0pt,12.0pt]
直流源。做成[size=font-size:12.0pt,12.0pt]
有时钟显示[size=font-size:12.0pt,12.0pt]
(调正时间的三只按纽在底部)[size=font-size:12.0pt,12.0pt]
,眼镜能红录变色的招财猫[size=font-size:12.0pt,12.0pt]
。[size=font-size:12.0pt,12.0pt]
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接通电源即显示时钟(底下有三只按钮来调整时间);[size=font-size:12.0pt,12.0pt]
[size=font-size:12.0pt,12.0pt]
身后一只按纽按下后:手臂会摆动、眼镜会红录变色、底座出现一圈兰光。[size=font-size:12.0pt,12.0pt]
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时钟电路采用[size=font-size:12.0pt,12.0pt]LM8365[size=font-size:12.0pt,12.0pt]
及[size=font-size:12.0pt,12.0pt]CD4017[size=font-size:12.0pt,12.0pt]
、[size=font-size:12.0pt,12.0pt]CD4060[size=font-size:12.0pt,12.0pt]
产生[size=font-size:12.0pt,12.0pt]60Hz[size=font-size:12.0pt,12.0pt]
标准时基信号[size=font-size:12.0pt,12.0pt]
,校正后每天走时误差在[size=font-size:12.0pt,12.0pt]0.5[size=font-size:12.0pt,12.0pt]
秒。[size=font-size:12.0pt,12.0pt]
[size=font-size:12.0pt,12.0pt]
该时钟走时准确,调校方便,夜间看时清楚,制作容易。[size=font-size:12.0pt,12.0pt]
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红、录变色电路用[size=font-size:12.0pt,12.0pt]CD4022[size=font-size:12.0pt,12.0pt]
(或[size=font-size:12.0pt,12.0pt]CD4017[size=font-size:12.0pt,12.0pt]
)及二只[size=font-size:12.0pt,12.0pt]NPN[size=font-size:12.0pt,12.0pt]
三极管组成。[size=font-size:12.0pt,12.0pt]
[size=font-size:12.0pt,12.0pt]
由于在底部加了电路印刷板,造成向下凸出,为此利用旧瓶盖或废盒(直经在[size=font-size:12.0pt,12.0pt]90mm[size=font-size:12.0pt,12.0pt]
以上,本人用[size=font-size:12.0pt,12.0pt]“[size=font-size:12.0pt,12.0pt]
绿盾牌维[size=font-size:12.0pt,12.0pt]E[size=font-size:12.0pt,12.0pt]
尿素霜[size=font-size:12.0pt,12.0pt]”[size=font-size:12.0pt,12.0pt]
盒,黄色盆正好配金色招财猫),下面再加一片[size=font-size:12.0pt,12.0pt]5-6mm[size=font-size:12.0pt,12.0pt]
厚有机玻璃板(此处发兰光,不用也可)、[size=font-size:12.0pt,12.0pt]1-1.5mm[size=font-size:12.0pt,12.0pt]
厚的不锈钢板(铝、塑料都可以)。下面装三只橡皮脚。[size=font-size:12.0pt,12.0pt]
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手臂摆动电路利用原来,但因现在电压为[size=font-size:12.0pt,12.0pt]6V[size=font-size:12.0pt,12.0pt]
(原来[size=font-size:12.0pt,12.0pt]2V[size=font-size:12.0pt,12.0pt]
左右),所以加电阻降低电压。[size=font-size:12.0pt,12.0pt]
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㈠时钟电路[size=font-size:12.0pt,12.0pt]
[size=font-size:12.0pt,12.0pt]
LM8365[size=font-size:12.0pt,12.0pt]
是三洋公司生产的系列时钟集成芯片中的一种,它不但可以显示时间,还可以显示日期(月/日);可按12小时或24小时设置两个定时输出;VDD电压在6.5V-21V,直接驱动LED显示;有减法计时的定时功能(60秒定时)。该电路除可显示“时、分”外还可以显示“月、日”(将[size=font-size:12.0pt,12.0pt]
SNOOZE[size=font-size:12.0pt,12.0pt]
连接VDD就同时显示,且AO1、AO2的输出暂仃10 钟[size=font-size:12.0pt,12.0pt]
)。LED由LM8365直接驱动。37脚为时钟CLK输入选择,悬空为60Hz输入,接VDD时为50Hz输入。39脚为12,24小时显示系统选择,悬空为12小时显示,接VDD为24小时显示方式(利用AM、PM、[size=font-size:12.0pt,12.0pt]
1Hz[size=font-size:12.0pt,12.0pt]
及b/c)。[size=font-size:12.0pt,12.0pt]
它是[size=font-size:12.0pt,12.0pt]42[size=font-size:12.0pt,12.0pt]
脚双列的塑封件。[size=font-size:12.0pt,12.0pt]
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在这里只用来显示时间(时、分)。[size=font-size:12.0pt,12.0pt]
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㈡[size=font-size:12.0pt,12.0pt]60Hz[size=font-size:12.0pt,12.0pt]
标准时基[size=font-size:12.0pt,12.0pt]
电路[size=font-size:12.0pt,12.0pt]
[size=font-size:12.0pt,12.0pt]
由[size=font-size:12.0pt,12.0pt]CD4060[size=font-size:12.0pt,12.0pt]
、[size=font-size:12.0pt,12.0pt]CD4017[size=font-size:12.0pt,12.0pt]
与石英晶振([size=font-size:12.0pt,12.0pt]32768Hz[size=font-size:12.0pt,12.0pt]
)[size=font-size:12.0pt,12.0pt]
组成时基电路[size=font-size:12.0pt,12.0pt]
,[size=font-size:12.0pt,12.0pt]
时[size=font-size:12.0pt,12.0pt]
钟电路提供精确的60Hz计时脉冲。[size=font-size:12.0pt,12.0pt]
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㈢跳灯电路[size=font-size:12.0pt,12.0pt]
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CD4017[size=font-size:12.0pt,12.0pt]
是十进制计数/分频器[size=font-size:12.0pt,12.0pt]
CD4022[size=font-size:12.0pt,12.0pt]
是八进制计数/分频器[size=font-size:12.0pt,12.0pt]
数字电路CD4017是十进制计数/分频器,它的内部由计数器及译码器两部分组成,由译码输出实现对脉冲信号的分配,整个输出时序就是Q0、Q1、Q2、…、Q9依次出现与时钟同步的高电平,宽度等于时钟周期。[size=font-size:12.0pt,12.0pt]
[size=font-size:12.0pt,12.0pt]
CD4017[size=font-size:12.0pt,12.0pt]
有两个时钟端 CP 和INH,若用时钟脉冲的上沿计数,则信号从 CP 端输入;[size=font-size:12.0pt,12.0pt]
[size=font-size:12.0pt,12.0pt]
CD4017 [size=font-size:12.0pt,12.0pt]
与 CD4022 是一对姊妹产品,主要区别是 CD4022 是八进制的,所以译码输出仅有 Y0~Y7,每输入 8 个脉冲周期,就可得到一个进位输出,它们的管脚相同,不过 CD4022 的 6、9 脚是空脚。[size=font-size:12.0pt,12.0pt]
[ 此帖被gongfu64@liv在2012-10-09 08:22重新编辑 ]