[size=5][color=#0000ff]Today I disassembled a device, which is a radio frequency power amplifier. I wanted to know what kind of tubes were inside. When I disassembled it, I found that the models insid...
I just learned STM32. When using IO ports, I set PA8-PA15 to pull-up input. 8, 9, 10, 12, 13, 15 are normal. When the pins are empty, the level is about 3.2, but the level of 11 and 14 is very low. Wh...
In winter, static electricity is very strong. Static electricity discharge within a certain range will cause the microcontroller to reset. At first, I couldn't find the cause. Later, I carefully analy...
This electronic watch adopts Japanese design. The dial consists of four columns of numbers from 0 to 9, the first two columns represent hours, and the last two columns represent minutes. When you pres...
Today I saw the post about 4 days and 3 nights, and saw that there are many girls preparing for the competition:https://bbs.eeworld.com.cn/viewthread.php?tid=299297extra=page=1Compared with boys, girl...
Designing for automotive LCD displays larger than 5" can be complex. The display source driver requires a supply rail called analog voltage device drain (AVDD) in the 10V to 15V range and two supply ...[Details]
In order to strengthen the management of new energy vehicle charging facilities in our city, prevent and reduce accidents, protect the lives and property of the people, and improve the public safet...[Details]
Regarding the PHY construction of LWIP, the PHY chip used is LAN8720A, RMII mode. Regarding the hardware connection part, the Atomic board F407 is used, and the hardware connection is as follows: ...[Details]
Leading Chinese PV inverter manufacturer Huawei said it is supplying string inverters to a 75MW fully digital utility-scale solar project in Brazil, which it claims is the first of its kind in the cou...[Details]
1. Introduction to MC68K CPU The MC683xx series of microcontrollers are composed of the famous MOTOROLA 32-bit microprocessors such as MC68K, 68020, 68040, and the compatible 68K, CPU32, CPU3...[Details]
According to TechRadar, given rumors that
Google
is developing a Pixel Watch
,
the
recently renamed Wear OS
smartwatch
operating system may soon be able to show its full cap...[Details]
OSC_IN and OSC_OUT are external crystal pins by default. If you do not use an external crystal oscillator on the STM32, how to connect OSC_IN and OSC_OUT If you use the internal RC oscillator instead...[Details]
Timer Interrupt The timer function of STM32 is very powerful. There are advanced timers such as TIME1 and TIME8, general timers such as TIME2~TIME5, and basic timers such as TIME6 and TIME7. In th...[Details]
In the early morning of May 9th, Beijing time,
Google
held its annual developer conference Google I/0 2018 in Mountain View, California. As expected,
Google
released the latest vers...[Details]
On November 23, Toyota recently released its latest humanoid robot, the T-HR3, which the company said "represents an evolution of the humanoid robot played by previous devices ". This new robot was...[Details]
What else can we do before the arrival of 5G
,
which will be officially commercialized in 2020
? Let's follow the network communication editor to learn about the relevant content.
I...[Details]
MSP 430 MCU key program #include msp430x14x.h #include "key.h" void Init_Port(void) { //Set all pins of P1 port to input mode during initialization P1DIR = 0; //Set all pins of ...[Details]
Multi-byte binary division The dividend is 3 bytes, in units 0x20, 0x21, and 0x22, 0x22.7 is the most significant bit and 0x20.0 is the least significant bit. The divisor is 2 bytes, in 0x30, 0x31. A...[Details]
The overall operating performance of an electric car depends first on its battery system and motor drive system. The drive system of an electric car is generally composed of three main parts: a contr...[Details]
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