I am a novice in learning MSP430. I feel that this thing is very complicated. After watching videos and reading books for many days, I have gained a little bit. But now I have encountered a more diffi...
Is the keyboard connected to a fixed position for the arm9 chip? If it is not a standard keyboard, is it also in a fixed position? Is there any information?...
I have two 3.3V-1W isolated power modules on hand, because I need to power a 3.3V LCD and a single-chip microcomputer, but the power of the LCD plus the power of the board is greater than 1W. So I wan...
Suddenly I realized that I hadn't considered the tickets earlier this year. I remembered the experience of queuing for 3 kilometers last year, so I decided to shamelessly ask which great person can ge...
I recently helped a friend push some recruitment information and learned that the company has an internal recommendation mechanism. The people recommended by the company are equivalent to a level of s...
LT3572 is a step-up chip, VIN is 2~5V, Vout is 30V. During use, I used a voltage regulator to supply 3.3V, with a current limit of 100mA. After power-on, the voltage regulator dropped to 2.2V, the cur...
In the actual project development process, it is common to encounter modifications to the hardware circuit, and then the modified part requires the modification of the driver. Thinking about the comi...[Details]
1. The first project We are going to create the first project, which is mainly for project analysis, so that we can understand how CubeMX works and how to trace the code logic. Okay, no more nonsense...[Details]
I used STM32CubeMX V4.22.1 to generate a project including EHT and Lwip. The debugging has been abnormal. After careful inspection, the following problems were found: 1. The hardware uses LAN8720A, b...[Details]
1. Initial understanding of FSMC: FSMC consists of 4 modules: (1) AHB interface (including FSMC configuration register) (2) NOR flash memory and PSRAM controller (when driving LCD, LCD is like a PSRA...[Details]
The photovoltaic inverter is the core equipment of the photovoltaic system. Its main function is to convert the direct current generated by the photovoltaic modules into alternating current that meets...[Details]
This routine is also a classic routine on the development board. I modified the framework of the program to make it more suitable for future calls. The specific 4*4 keyboard scanning principle is rel...[Details]
//Observe the difference between feeding the dog and not feeding the dog, and use the LED indicator of the PB port for status indication. //Switch the LED indicator enable switch of the PB po...[Details]
Here is the temperature added in the previous chapter The above figure is the temperature calculation formula: where Vsense is the ADC value collected from the temperature channel. The stm32f407 ...[Details]
The top row of pins is the row, and the bottom row of pins is the column. The row is the LED anode. Each row and column is controlled by four 74HC573, each controlling 8 pins. At the sa...[Details]
Speaking of
Wi-Fi,
everyone must be familiar with it. In today's era,
Wi-Fi
has become a necessity in our lives. No matter where we go, we need to use it, not only because the speed...[Details]
At the beginning of 2018, when interviewed by a reporter from China Business Weekly, Rong Yongkang, global vice president of Amazon
AWS
(cloud computing service) and executive director of G...[Details]
The following program has been debugged and run successfully) ; ---AT89C2051 oxygen pump controller source program-OK! org 0000h ajmp main nop ...[Details]
In 2018, the hottest trend is still
artificial intelligence
.
The craze for
artificial intelligence
has swept all walks of life, whether it is the Internet of Things, smart hardware,...[Details]
Recently, China Electronics Technology Group Corporation (hereinafter referred to as CETC Equipment) has received good news that the first medium-beam ion implanter independently developed in China...[Details]
Microcontroller MCU
京公网安备 11010802033920号
EEWORLD
