According to market analyst ABI Research, despite the significant impact of Covid-19 on the mobile device market, smartphone sales and increased demand for more wearable devices, tablets and laptops h...
I would like to ask you, what do you use for the isolated control from the control chip to the PWM control port of the dedicated stepper motor?
Optocoupler? Magnetic coupler? Optocoupler + logic shapi...
[i=s]This post was last edited by damiaa on 2019-3-6 10:47[/i] STMicroelectronics is launching the STM32MP1. What do you think of this chip? My personal opinion: ST has finally launched a chip that ru...
[p=28, null, left][color=rgb(85, 85, 85)][font=微软雅黑, 微软雅黑, "][size=14px]PCB component pad design is a key point. The quality of the final product lies in the quality of the solder joint. Therefore, wh...
Due to the adoption of openCPU architecture, the development environment of EVK-NINA-B400 evaluation kit is basically the same as the development environment of Nordic SDK.Nordic recently did a live b...
S7-200Smart PLC Instruction Entry Application
Normally open and normally closed coil instruction principle explanation
The relationship between bit logic instruction symbols and relay cir...[Details]
Industry insiders revealed that the prices of foldable phones, especially those in the Samsung series, have been falling rapidly recently. According to DigiTimes, following the launch of the Galaxy Z...[Details]
The basic principle of the vortex gas flowmeter is that when the fluid flowing along the axial direction enters the flow sensor, the blades force the fluid to rotate, thus generating a vortex flow in ...[Details]
1. ARM instructions in Hopper I won't say much about ARM processors. Because of their low power consumption and other reasons, most mobile devices use ARM processors. Of course, Android phones and iP...[Details]
When writing a medium-sized program, state machines and event structures are common design patterns. SR (SHIFT REGISTER) is often used to transfer data between various cases. When there are many ca...[Details]
I have been engaged in ARM development for so long, but I have only a vague understanding of the meaning of entry point. Today, I took out a fairly well-written ARM textbook to read again...[Details]
Recently, Ningbo Zhongda Lide Intelligent Transmission Co., Ltd. (hereinafter referred to as "Zhongda Lide") issued an announcement stating that the company plans to establish a wholly-owned subsid...[Details]
The S5PC100's RISC microprocessor supports a multi-master I2C bus serial interface. A dedicated serial data line (SDA) and a serial clock line (SCL) pass information between the bus master and the ...[Details]
There are still problems with the hardware I2C of STM8S, so I dare not use it rashly. #define SCL PE_ODR_ODR1 #define SDA PE_ODR_ODR2 #define SDAM PE_IDR_IDR2 #define SET_SCL_OUT() {PE_DDR_DDR1=1; PE...[Details]
The advent of frequency converters and advanced motor control methods have made three-phase brushless motors (AC induction motors or permanent magnet synchronous motors) once a huge success in speed...[Details]
According to a recent paper published in the journal Advanced Materials, researchers at Northeastern University have developed an all-ceramic material that can be die-cast into complex parts. This in...[Details]
Recently, at the annual GTC, NVIDIA founder and CEO Mr. Huang Renxun gave a keynote speech and was interviewed by EEWorld reporters, sharing his innovations in computing and graphics, high-performanc...[Details]
The control system is the key part of the guided bomb. At present, the control systems of all guided bombs are based on a certain mathematical model and correct the ballistic error in a fixed way. Due...[Details]
(I) First, set the multimeter to the resistance range
(ii) Use the two probes of the multimeter to touch the two ends of the electrolytic capacitor.
At this time, the pointer of the multime...[Details]
International New Energy Network: PV inverter leader SMA Solar Technology said recently that it will not achieve its full-year revenue target due to pricing pressure and further unexpected weakness...[Details]