Abstract: Monitoring bladder volume is an essential application for patients with voiding dysfunction. Current wearable ultrasonic bladder monitors are rigid, bulky, and cannot conform to human skin.

Abstract: Low-frequency modulated high-frequency ultrasonic technology is widely used in haptics and neuromodulation based on ultrasonic stimulation. Traditional amplitude modulation produces bipolar ...

Sonus faber Amati Supreme: 4.5-way, cork-damped mids, silk dome tweeters, matte aluminum cabinets—Italian design with espresso-shot flair, not your grandfather’s hi-fi. Amati Supreme features the same ...

本篇文章带着大家来认识一下 STM32 的时钟系统，以及利用 systick 定时器来实现一个比较准确的延时。 我们首先从时钟说起，时钟在MCU中的作用，就好比于人类的心脏一样不可或缺。STM32 的时钟相比 51 的单一时钟要复杂些，它有多个时钟源可以使用，那么大家 ...

在工业4.0时代，从便携式电动工具到重型AGV（自动导引车），电池供电设备正加速渗透制造业、仓储物流和建筑领域。然而，工业级充电器的设计挑战重重：既要承受严苛环境（如高温、震动、粉尘），又需在120V~480V宽输入电压下保持高效稳定，同时满足轻量化 ...

China urged Mexico on Friday to "think twice" before levying tariffs, a warning that could signal Beijing's readiness to retaliate over a move it sees as giving in to demands from President Trump.