This article is authorized to be reproduced from the WeChat public account: IoT Think Tank (iot101) The IoT Think Tank is a top think tank in the field of the Internet of Things, providing industry status and trend analysis, sharing exclusive in-depth insights. —— 【Introduction】 —— In this day and age, technology is advancing rapidly, … Read more
01Basic UnderstandingModel:HS-F02PName:Passive Buzzer ModuleSeries:Audio Output ModuleDescription:It is an audio generation module based on the principle of electromagnetic vibration, with a built-in electromagnetic coil and metal diaphragm. It requires an external alternating pulse signal (of different frequencies) to produce sound. It supports tone control through PWM (Pulse Width Modulation), featuring rich timbre, strong controllability, and low … Read more
Hello everyone, I am Xiao Chen. Today, let’s discuss a practical topic: how can microcontrollers output audio signals? Currently, there are two mainstream solutions: directly using a DAC (Digital-to-Analog Converter) or using PWM (Pulse Width Modulation) for analog output. Both methods have their pros and cons, and many beginners can easily get confused. Today, I … Read more
(Comprehensive report by Electronic Enthusiasts Network) NPU is a hardware processor specifically designed to accelerate neural network computations. With the rapid development of artificial intelligence and deep learning technologies, traditional CPUs and GPUs struggle to handle complex neural network computations, which is why NPUs were designed. How NPU Has Developed As early as 2011, Google … Read more
Since JD.com launched the first smart speaker, the Dingdong Smart Speaker, the “Dingdong” series has been a leader in the field of voice recognition. Its powerful natural language interaction system has allowed it to achieve “zero touch” ahead of other domestic smart speaker products. Recently, the “Consumer Electronics” testing room obtained the “Dingdong” series product … Read more