DAC 的一个常见应用是产生任意波形，比如平滑的正弦波。如果让 CPU 频繁计算正弦值并手动更新 DAC 输出，会非常耗费 CPU 资源且难以保证输出频率的精确和稳定。这时，再次请出我们的老朋友：定时器和 DMA。 思路与 ADC 的定时器触发采样类似，但方向相反： 1 ...

PID控制应该算是非常古老而且应用非常广泛的控制算法了，小到热水壶温度控制，大到控制无人机的飞行姿态和飞行速度等等。 在电机控制中，PID算法用得尤为常见。 在电机控制中，我们给电机输出的是一个PWM占空比的数值。 上图中的目标位置一般我们可以 ...

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$319 hi-res desktop DAC/AMP with balanced/single-ended outputs, Bluetooth 5.4, USB, optical, coax, and I²S connectivity. After a short listening session with the HiFiMAN HE1000 Unveiled, eCoustics ...

To enhance the audio quality or to overcome your computer's built-in DAC limitations or problems, an external DAC is a very effective choice. Some factors like incorrect settings and configurations ...

《前言》 本应用笔记举例介绍了使用数模转换器 (DAC) 外设生成音频输出信号的过程，该 DAC 外设内嵌在 STM32F10xx 微控制器系列产品中。 数模转换器 (DAC) 是一种与模数转换器功能相反的器件，可以将数字形式的数据转换为相应的模拟电压信号。 STM32 DAC 模块是 12 ...

At $229, the Campfire Audio Relay dongle DAC/amp delivers 4 Vrms output, premium build, and precise sound. Campfire Audio has been on a tear this year, dropping new IEMs left and right—including the ...

Originally reported in matrix as follows: Hello. I'm getting different behavior from the DAC on an STM32 F-series depending on whether the code runs inside main or inside a task. I created a simple ...

Explore how digital feedback controllers manage motors, pressure, temperature, and more, and learn why ADC and DAC performance are crucial when designing robust embedded systems. How to define the ...

The 62 nd DAC showcased numerous new exhibitors in 2025, including tool and IP providers, design services firms, and component marketplaces. New EDA startups, in particular, had a robust showing, with ...

The Waveshare ESP32-S3-Knob-Touch-LCD-1.8 is a batterry-powered knob display board designed for HMI applications that combines ESP32-S3 and ESP32 SoCs in a dual MCU architecture. The design differs ...

The trilogy of PC gaming necessities includes your keyboard, mouse, and audio setup. Razer is a brand that focuses on all three (including its recently-unveiled Blackwidow V4 Pro Barebones plank), and ...