LED电子保险箱

LED电子保险箱门上安装有一个电子锁；用户可从键盘上输入特定密码进行解锁或上锁。 LED屏幕可显示电子保险箱的状态以及通过键盘输入的内容。

这个参考设计的特点是采用一个小型引脚数、低功率RL78/G1N微控制器，可通过大电流输出端子直接驱动8段6位的高亮度LED。 凭借单个微控制器，可以实现7段6位LED显示控制、键盘控制、电机控制（电子锁控制）和蜂鸣器控制。

Disclaimer: THIS MATERIAL IS PROVIDED “AS-IS” FOR EVALUATION PURPOSES ONLY. RENESAS ELECTRONICS CORPORATION AND ITS SUBSIDIARIES (collectively, “Renesas”) DISCLAIM ALL WARRANTIES, INCLUDING WITHOUT LIMITATION, FITNESS FOR A PARTICULAR PURPOSE AND MERCHANTABILITY. Renesas provides evaluation platforms and design proposals to help our customers to develop products. However, factors beyond Renesas' control, including without limitation, component variations, temperature changes and PCB layout, could significantly affect the product performance. It is the user’s responsibility to verify the actual circuit performance.