Dear experts:The push-pull output of PC7 port of STM32F101R8T6 MCU is only 2V (system power supply 3.3V)? When testing, all external circuits of PC7 have been removed, and PC7 is allowed to output a s...
Hello everyone, I have a question for you. I really can't do anything. Now the audio channel D-class amplifier output on the board directly drives the external 4-ohm 4W speaker, but there is a very de...
I use the internal temperature sensor of MSP430 LAUNCH PAD 2553g, but the calculation is done with int type. I put it on 1.8-inch LCD and use char variable to send it for display. How to convert it? T...
Hey, let me give you some advice, don’t blame me if I’m wrong! On the embedded controller, use C language to implement rising edge/falling edge detection like PLC volatile unsigned char pedge_flag; vo...
Some time ago, I attended the 4th Energy Chemistry Forum of the Chinese Chemical Society and learned about high-energy-density and high-safety batteries. I would like to summarize and share this wi...[Details]
In recent years, with the application of the IEC61850 standard and the development and deployment of optoelectronic transformers, the concept of digital substations has been put into practical use ...[Details]
The structure of an LCD TV primarily consists of the LCD display module, power module, driver module (primarily including the main driver board and tuner board), and keypad module. LCD display modu...[Details]
On August 21, WeRide officially launched WePilot AiDrive, a one-stage end-to-end assisted driving solution developed in cooperation with Bosch. This comes only half a year after the two parties' "t...[Details]
Smartphones have become essential digital devices, and the growing number of smartphone-centric applications is enriching people's lives. As users, they desire a better app experience and a wider r...[Details]
Through AI connection technology supported by Qualcomm X85 5G modem and RF and Qualcomm FastConnect 7900 mobile connection system, seamless switching can be achieved between cellular net...[Details]
1. Fault phenomenon and cause analysis
1. During the operation of the equipment, the expansion sleeve is subjected to a large torque, and the mating surfaces of the shaft and the sleeve move...[Details]
In the field of communications power supplies, AC/DC rectifier power supplies are called primary power supplies or basic power supplies, while DC/DC converters are called secondary power supplies. ...[Details]
01. Introduction
As in-vehicle networks migrate from the CAN
bus
to
Ethernet
, traditional millisecond-level synchronization accuracy can no longer meet the requirements of mul...[Details]
The basic structure of the power grid dispatching automation system includes three parts: control center, master station system, plant terminal (RTU) and information channel. According to the diffe...[Details]
Silicon carbide (SiC) power switching devices are becoming a popular choice for industrial battery applications due to their ability to achieve faster switching speeds and superior low-loss operati...[Details]
On August 18, Zhiyuan Robotics released information showing that the company's entire product line is officially on sale.
The full range of products launched this time includes six major produ...[Details]
Comparison instructions compare two numbers, IN1 and IN2, of the same data type. IN1 and IN2 are located above and below the contact, respectively, and their data types must be the same. Operands c...[Details]
Due to their small size and form factor, there are few existing printed circuit board standards for the growing wearable IoT market. Until these standards emerge, we must rely on knowledge gained f...[Details]
Quantum dots are a cutting-edge nanomaterial. Using quantum dot materials in backlight sources has four unique advantages:
1. Longer lifespan - Since mature inorganic materials are used, the f...[Details]