I want to measure the frequency of the AC power generated by the generator through a single-chip microcomputer. The basic idea is: transformer step-down - diode half-wave rectification - Schmitt trigg...
[size=4]The input is 24V DC, but I set the input to 23~25V for safety. The LED I drive is a COB LED. Typical current is 0.17A, power 6.1W. My question now is that in the recommended design of WEBENCH,...
Compared to similar products, FEMs offer 40% greater energy efficiency and 20% greater coverage, and FEM products can advance connectivity by increasing the number of connected devices by 4 times at h...
The in-phase voltage amplifier of the circuit below is unstable. When testing the transmission line at J8, the output of the first opa855 oscillates. When the input is suspended, the output is 70MHZ w...
[size=4] After more than 10 years of development, the LED lighting industry has basically achieved popularization and globalization. Whether indoors or outdoors, LED lighting has become the first choi...
Robot investment usually ranges from tens of thousands to millions of dollars. It is very important to make the right choice at the first time and avoid common mistakes, because mistakes will lead to...[Details]
Recently, TCL Group recently accepted a survey from Xingquan Fund and other institutions and stated that TCL Huaxing's under-screen camera products are expected to be mass-produced in 2020. In additi...[Details]
I have recently studied 51's hybrid programming, let me summarize it! 1. Generate C51 assembly source code Right-click the project file and select Generate SRC file in the pop-up opinion for file. ...[Details]
The circuit of the single-chip microcomputer measurement and control system is relatively complex, and there are many reasons for interference. The following are some commonly used anti-interferenc...[Details]
The microcontroller source program is as follows: #include "STC51PRJ.h" extern BYTE BUF ; //Receive data buffer /*****************Start signal****************/ void ADXL345_Start() { SDA...[Details]
OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
OFweek Cup 2022 China
Robot
Industry Annual Awards (abbreviated as OFweek Robot Awards 2022) is jointly organized by OFweek, China's high-tech industry portal, and its authoritative robot p...[Details]
(1) An example:
This program is generated by ICC wizard, it is very simple.
T0 is used as a normal 8-bit timer with a frequency of 100KHz. Each interruption will invert the state of PB0 (pin1), gen...[Details]
HV9963 is a current mode controlled LED driver that can be used to control PWM converters (buck, boost, boost-buck or SEPIC). The PWM dimming ratio is greater than 5000:1. It has an internal 40V linea...[Details]
Abstract: This paper proposes a solution to the special problems existing in the setting calculation of 10 kV line relay protection.
The structure of 10 kV distribution lines is complex. Some ...[Details]
Abstract: This article introduces the development, main functions and implementation technology of a computer-aided anti-aircraft gunner training device. The simulator is used for the first and ...[Details]
Single-ended flyback switching power supply circuit schematic
Figure Schematic diagram of single-ended flyback switching power supply circuit
Figure 2 is a schematic diagram of a single-ended ...[Details]
Samsung launched its 3nm chip production line at the end of June and began producing chipsets for Bitcoin miners on the new 3nm GAA manufacturing process. Although Samsung will eventually use the 3nm...[Details]
The elbow flowmeter cleverly utilizes the characteristics of the pipeline itself. Without adding any throttling devices, flow blocking devices and intermediate media, it takes advantage of the natura...[Details]
This article mainly discusses the challenges of analog-to-digital conversion in SDR implementation and what breakthroughs in ADC can promote the practical application of software radio.
Problems
...[Details]