[backcolor=rgb(222, 240, 251)]In a small closed environment, the microphone audio is fuzzy after passing through the op amp; in an open environment, the sound picked up by the microphone is normal and...
Security is of paramount importance in all IoT device design and deployment.Billy Meadow, President and CEO, CTO, and Jeff Kase, Chief Architect at LocatorX, share some insights into the current and f...
[i=s]This post was last edited by lvxinn2006 on 2019-1-11 08:55[/i] [size=8pt][font=Tahoma]The development board evaluated in this event[/font]ST NUCLEO-G071RB is provided by STMicroelectronics. Thank...
Last time, we learned to use the ESP8266 development board to create a hotspot, that is, to send radio frequency signals, just like your smartphone can open a hotspot to allow others to connect. The r...
[b][url=https://e2echina.ti.com/blogs_/b/power_house/archive/2018/06/06/52832][font=微软雅黑][size=4]Reference design of true wireless earphone charging box with ultra-low standby power consumption[/size]...
[i=s]This post was last edited by Jacktang on 2019-6-12 08:39[/i]Think about how often you view photos or watch videos on your mobile device. While many people prefer the convenience of a small, pocke...
1. Introduction
With the continuous advancement of automobile assisted driving technology, more and more sensors and controllers are used in automobiles. Many new models are already equipped w...[Details]
1. The influence of low power supply voltage on the motor
1. Difficulty in starting the motor
Because the electromagnetic torque of the motor is proportional to the square of the motor te...[Details]
This article describes a simple LED oscilloscope circuit that can be used to analyze low-frequency waveforms with a 10 x 10 LED matrix display. Since there are only 100 LEDs involved in the display b...[Details]
2019 marks the 70th anniversary of the founding of the People's Republic of China and the 70th anniversary of the liberation of Qinghai. Over the past 70 years, the development of Qinghai's power g...[Details]
There are many methods of industrial nondestructive testing. At present, there are five most commonly used methods at home and abroad, which are often called the five conventional flaw detection m...[Details]
On November 20-21, the "2019 China Safety Industry Conference and the 3rd Traffic Safety Industry Summit" hosted by Cheyun.com and co-organized by Electric State was held in Foshan City, Guangdong Pr...[Details]
Maxim's GMSL serializer/deserializer technology increases panoramic video transmission distance by 33% Maxim Integrated Products, Inc (NASDAQ: MXIM) today announced that its automotive products ha...[Details]
Preface Explain the serial port driver principle of Wei Dongshan JZ2440 development board, and supplement the serial port usage content in Wei Dongshan's Wiki tutorial. Click here to enter the serial...[Details]
If you're one of those who signed up for Apple's lengthy one-year free trial of Apple TV+, you'll be happy to hear today that the company has extended the length of that trial... yes, again. W...[Details]
After reading Atom's STM32 IAP tutorial, I wondered what bootloader meant at first, and almost confused it with uboot. In fact, the "bootloader" of stm32 does not need to write assembly and link scri...[Details]
All versions of Linux source code can be downloaded from https://github.com/torvalds/linux/. The Linux source code used in this document is linux-2.6.39 (Network Disk: http://pan.baidu.com/s/1dDxjNl3...[Details]
Despite being hit from all sides, Huawei is still moving forward firmly at its own pace. For example, the next-generation flagship P50 series will be launched as scheduled at the beginning of n...[Details]
Thanks to the enthusiastic clues submitted by IT Home netizens, Huawei nova9 series has now received the HarmonyOS 2.0.1.162 version push. This update will add a new multi-camera shooting mod...[Details]
Introduction: Recently, people have been talking to me about the problem of static mapping. Today, I will take the linux-2.6.35 kernel source code as an example to explain the process of IO static ma...[Details]
GSM is a common VOIP voice codec library, which is implemented in Linux using libgsm. The libgsm library is needed in the project. So try to compile the GSM library directly. The official website h...[Details]
Analog electronics
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