精品文献
四位带荧光大按键开关
防水按键开关
Sub-Miniature Pushbutton Switches HOW TO ORDER -118- PA Series PA S ub -M in ia tu re Pu sh bu tto n S w itc he s INITIAL CONTACT RESISTANCE: INSULATION RESISTANCE: 1G min.at 500VDC. DIELECTRIC STRENGTH: 1,000 VAC rms. ELECTRICAL LIFE AT FULL LOAD: 500,000 cycles. OPERATING TEMPERATURE: -30 ° C to 85 ° C. TOTAL TRAVEL: PANEL THICKNESS: OPERATING FORCE: CONTACT BOUNCE: 10 ms. MECHANICAL LIFE: 1
轻松实现电容式触摸感应按键开关设计
轻松实现电容式触摸感应按键开关设计
市场上的消费电子产品已经开始逐步采用触摸感应按键,以取代传统的机械式按键。针对此趋势,益登科技设计出以Silicon Labs公司MCU为内核的电容式触摸感应按键方案。电容式触摸感应按键开关,内部是一个以电容器为基础的开关。以传导性物体(例如手指)触摸电容器可改变电容,此改变会被內置于微控制器内的电路所侦测。电容式触摸感应按键的基本原理