Author: Joshua Zhu, ST engineer
Click to download the pdf document:Problem: Some customers want to develop products using BlueNCG-132 and want to add an external PALNA to extend the range of the RF sy...
When learning DSP development, I often feel that there are too many technical documents. Every book is useful and I want to read every book, but I don't know where to start. At this time, the principl...
See a battery switching circuit, as shown below,
1. Q1 and Q2 are NMOS tubes, Q3, Q4 and Q5 are PMOS tubes, and D1 is a diode.
2. BAT1 and BAT2 are batteries. The capacity of BAT2 is larger than that ...
Stanley I
With the rise of the lithium battery industry, the market for battery testing equipment has also become huge, and it is mainly used in the capacity division of 3C batteries and power batteri...
1. Description of the phenomenon During the development of 51 single-chip microcomputer, it was found that the program always had probabilistic exceptions. After debugging, it was found that the co...[Details]
This article explains how to use an oscilloscope to display data, including horizontal and vertical controls, channel settings, math waveforms, reference waveforms, and display settings. Using the ...[Details]
On May 28, foreign media sammobile quoted Korean insiders as saying that Samsung has placed a production order for Galaxy Fold 2 in recent days, which includes ultra-thin glass (UTG) technology...[Details]
The anti-lock brake system (ABS) of a car is to automatically control the braking force when the car brakes, so that the wheels are not locked and are in a state of rolling and sliding (slip rate is ...[Details]
If the microcontroller program crashes or runs away, the reasons can be found in the following aspects: 1. Unexpected interruption. Is an interruption enabled, but no response or clearing of the in...[Details]
On December 9, USI issued an announcement stating that the company's consolidated operating income in November 2020 was RMB 6,297,113,886.51, an increase of 68.20% from the consolidated operating inc...[Details]
Introduction I recently took on a tachometer project, the principle is to measure frequency. At first, I used an external interrupt, and then took the value according to the timer timing of one secon...[Details]
Qualcomm and Samsung extend and expand broad strategic collaboration
— Parties agree to extend technology licensing agreement for seven years until 2030 —
— Snapdragon Platform ...[Details]
China Energy Storage Network News:
The regional power market, which once faded from the public eye, has recently been put on the agenda again after the 22nd meeting of the Central Committee...[Details]
1. Parameter setting analysis
(1) open: soc_pcm_open calls the open or startup functions of cpu_dai, dma, codec_dai, and machine in sequence.
Only add parameter-related code in the ope...[Details]
This lab aims to build and study various types of voltage references/regulators and is divided into the following sections: ►Adjustable reference voltage source ► Enhanced voltage reference ►Shu...[Details]
At the beginning of this year, State Grid Corporation of China comprehensively deployed the construction of ubiquitous power Internet of Things, opening up a new path for safer grid operation, lean...[Details]
According to SamMobile, the iPhone 14 series to be released by Apple in the second half of this year will support Always On Display. The report pointed out that when the iPhone 14 series is ...[Details]
Recently, the CSA Alliance announced that the second update of Matter (Matter 1.2) is now available for device manufacturers and platforms to build into their products. It includes nine new device ty...[Details]
Read count:476 It's been a while since I started learning 51. I learned it in a very rough way before. I didn't know many of the principles. Today, in class, the teacher said that this LOW microcon...[Details]