I recently used the typical 2030 circuit on the Internet to connect an audio amplifier. There was no problem in the software simulation, but the waveform observed by the oscilloscope was wrong.
As sho...
Let's take a look at some of my personal understanding of HID knowledge points
HID uses endpoints to interact with the PC via USB
Endpoint 0 does not need to be configured and can directly send and re...
Board: beagleboard X15
Uboot version: u-boot-2019.01+gitAUTOINC+8b90adfb16-g8b90adfb16
Question: Where does uboot find the corresponding device tree for the automatic device board? (It seems that ther...
The LSM6DSO32 iNEMO inertial module is a system-in-package (SiP) that integrates a 3D digital accelerometer and a 3D digital gyroscope in a single compact, low-power chip. The LSM6DSO32 has best-in-cl...
When it comes to future technology, the first thing that comes to people's minds may be flying cars or colonizing Mars. Although such a future seems very far away from us, we should not ignore th...[Details]
(1) Be careful when moving and disassembling the meter, handle it with care, and avoid severe vibration or impact to avoid damage to the meter parts, especially the bearings and hairspring. (2) When...[Details]
First, determine the hardware before doing the software. Determine the keyboard type:
Elastic key: Closed when pressed, automatically disconnected when released. Such as computer keyboard
Self-lock...[Details]
Recently, NI’s official WeChat account summarized NI’s new partner members in 2021, including Nanochip, Shanghai Coal Science and Technology, Solomon, China Automotive Data and many other local Chine...[Details]
The arrangement of LEDs and the specification of the LED light source determine the basic driver requirements. The main function of the LED driver is to limit the current flowing through the LED un...[Details]
Atmel's MSL4163/MSL4164 is a direct backlight LED driver for TV sets. MSL4164 has a 20MHz SPI bus, and the current of each LED string is 100mA. The current accuracy and matching degree are better than...[Details]
This article introduces a photoelectric complementary LED street light controller , which controls the solar panel to charge and discharge the battery pack, detects the battery capacity in real time,...[Details]
Huawei Enjoy Z will be released on the 24th of this month, and now there is the latest news about the phone. We went to Geekbench and found that the running score of Huawei Enjoy Z has been exposed. ...[Details]
On September 16, the new vivo NEX series NEX 3 5G smart flagship was officially released at NEX SPACE in Shanghai. The phone has many breakthrough technologies, not only equipped with 5G communicatio...[Details]
The microcontroller source program is as follows: #include"reg52.h" /*51 serial port communication by boiling ice/no struggle, no life*/ typedef unsigned int u16; typedef unsigned char u8; #define D...[Details]
UWB technology is currently the most ideal short-distance wireless transmission technology with low power consumption and high bandwidth. The related research and application of UWB technology have al...[Details]
In December 2020, Intel (China) Co., Ltd. (hereinafter referred to as Intel) submitted a request for invalidation to the State Intellectual Property Office. The patent involved is the "Semiconductor ...[Details]
Project: A power supply in a laboratory broke down. After disassembling it, it was found that the full bridge controlled by UC3875 needed to be repaired.
Phenomenon: Preliminary inspection show...[Details]
MediaTek is working hard to develop envelope tracking technology. Aiming at the market opportunities of Long Range Evolution (LTE) in mainland China, MediaTek not only announced that it will launch q...[Details]
The 12th Distribution Technology Application Forum , hosted by the National Technical Committee for Standardization of Power System Management and Information Exchange, co-organized by the State Grid...[Details]
Analog electronics
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