Abstract: Smart kitchen inventory management system (SIMS) is a system that is based on IoT, which will make managing kitchen, medicine, restaurant inventory more efficient and hassle free. This will ...
Abstract: Scientific imaging applications require stable and precise light sources. Pulse-Width Modulation (PWM) creates image artifacts like banding and flicker when used with cameras that have ...
// you may not use this file except in compliance with the License. // You may obtain a copy of the License at // http://www.apache.org/licenses/LICENSE-2.0 ...
A standard manual wheelchair, converted into a motorized, joystick-controlled assistive device — with an onboard MPU6050 gyroscope that monitors tilt and triggers a local alarm if the user is at risk ...
就是周期性的控制IO拉高拉低的时间(占空比),来控制开关管的通断,实现功率的控制,比如LED调光,直流电机速度控制等等。 我这里主要是用来控制LED调光,我们知道人眼看灯不闪的频率是50hz以上,所以要想眼睛看灯不闪,PWM的高低各10ms,关断时间不能大于 ...