基于ADC的灯控模块按键检测方法  

Key Detection Method of Light Control Module based on ADC

作　　者：项小东[1] 陈东杰 Xiang Xiaodong;Chen Dongjie(ZHEJIANG University of Science And Technology,School of Electrical and Automation Engineering,Hangzhou Zhejiang,310023;ZHEJIANG University of Science And Technology,School of Mechanical and Energy Engineering,Hangzhou Zhejiang,310023)

机构地区：[1]浙江科技学院自动化与电气工程学院,浙江杭州310023 [2]浙江科技学院机械与能源工程学院,浙江杭州310023

出　　处：《电子测试》2020年第5期28-30,47,共4页Electronic Test

摘　　要：本文介绍一种应用于智能家居灯控模块中的高精度AD检测算法以及相应的采样电路。本方法能够准确检测跟踪回路中的动态电压,能够减少CPU的占用率提高产品使用的稳定性。结合自主研发的灯控模块中独特的硬件电路设计能够同时检测多路按键动作,并且准确控制灯控模块中各路灯光通道的通断。This paper introduces a high-precision AD detection algorithm and the corresponding sampling circuit used in the intelligent home lamp control module.This method can accurately detect the dynamic voltage in the tracking loop,reduce the CPU utilization and improve the stability of the product.Combined with the unique hardware circuit design of the self-developed light control module,it can simultaneously detect the action of multiple keys,and accurately control the on-off of each light channel in the light control module.

关 键 词：智能家居 灯控模块 AD检测 PIC18F25K80 

分 类 号：TM925[电气工程—电力电子与电力传动] TM923