For example: [code] SOC_SINGLE("ALC Capture Target Volume", WM8988_ALC1, 0, 7, 0), SOC_SINGLE("ALC Capture Max Volume", WM8988_ALC1, 4, 7, 0), [/code] Looking at the doc, it is explained like this: #d...
I am making a flame sensor, but the light-emitting tube must be very close to the receiving tube to produce a low level. I adjust the potentiometer so that the maximum distance it can produce a low le...
1. What is the RS-485 interface? What are its characteristics compared with the RS-232-C interface?Answer: Since the RS-232-C interface standard appeared earlier, it is inevitable that there are some ...
When I was testing the ADM2483BRWZ circuit signal recently, I found the following waveform. The blue one is the RE/DE (together control) signal, the green one is the TXD waveform, and the yellow one i...
Use AT+CMGS to send PDU information, feedback +CMS ERROR: 518 CSCA CSMS CMGF are all set, and the feedback is the expected result. The local SCA and CSMS are 0,1,1,1. I can use CMGL, CMGR, CMGD to lis...
[size=2][color=dimgray] The "Top-E Cup" National Embedded System C Language Programming Competition lasted for more than three months. After thousands of embedded system C language programming masters...
High efficiency and low standby power consumption are two major challenges in today's switching power supply design. Resonant topology or LLC topology is becoming increasingly popular because it ca...[Details]
introduction
Since the beginning of the 21st century, the world of information has changed rapidly. Maybe a high-tech product will be released today and a better similar product will be releas...[Details]
Microcontrollers (MCUs), which are widely used in automotive electronics, are rapidly facing time and cost pressures. The main advantage of using MCUs has always been to create high-level system in...[Details]
All electronic design engineers and scientists have performed electrical signal analysis, or signal analysis for short. Through this basic measurement, they can gain insight into signal details and...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
With the continuous improvement of the requirements of intelligent building security systems and the continuous improvement of people's safety awareness, indoor anti-theft has gradually attracted peop...[Details]
With the development and widespread application of computer technology, especially in the field of industrial control, computer communication is particularly important. Although serial communication g...[Details]
1. Introduction
At present, most lighting equipment still uses traditional energy for lighting. Making full use of solar energy as the energy supply for lighting equipment is of great si...[Details]
Overview:
This paper introduces a method of connecting a CAN-bus network with Ethernet to form a medium-sized remote monitoring/data transmission network.
CAN (Controller Area Network) is ...[Details]
Many battery-powered systems require a visual indicator to show when the battery needs to be replaced. LEDs are commonly used for this purpose, but they consume at least 10mA of current. This con...[Details]
Capacitors
are basic components in various electronic devices and are widely used for bypassing, coupling,
filtering
, tuning, etc. in electronic circuits. However, to use capacitors,...[Details]
LED technology has made rapid progress, and improvements in chip design and materials have promoted the development of brighter and more durable light sources, and the scope of light source applica...[Details]
LED guardrail lights use fluorescent tubes or LEDs as light sources and continuous guardrails as carriers to form an approximately linear guardrail light strip. This article mainly introduces...[Details]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
Linux and Android
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