自制ＬＥＤ电子钟在很多电子类报刊杂志上都可以见到，但多数在断电后要重新设置时间等参数，给使用带来不便。也有用电池作为备用电源的，但往往体积较大。本文介绍的ＬＥＤ电子钟克服了上述弊端，加上采用家电通用的红外遥控器进行控制，使用方便。该电子钟有一路闹铃输出，可以通过遥控器设置闹铃时间及闹铃允许。-Self-made LED electronic clock in many electronics can be seen on both newspapers and magazines, but most of the power to re-set the time after the parameters for the use of inconvenience. Is also useful as a standby battery power, but are often larger. This article describes the LED electronic clock to overcome the above drawbacks, together with a common use of household appliances infrared remote control, easy to use. The alarm clock has all the way out, you can remote control to set the alarm time and alarm permit.