I am a beginner in AVR and I have learned about digital tubes. I learned that the digital tube bit selection on the board is controlled by 74ls138, and the segment selection is controlled by 74hc595. ...
I got a mini2440 a few days ago. It's a very nice board. It has a 400M main frequency. When I run uCos2, I find that the speed is very slow, but I don't know why. I suspect that the cache is not used,...
I'd like to ask the experts about the configuration of STM8L151 comparison output. The following is the configuration: External crystal oscillator 16M void ti_init(void) { GPIO_Init(GPIOD, GPIO_Pin_2,...
1. Comparison between I2S, AC97, PCM of S3C6410 and WM9713: 1. I2S, AC97, PCM are different, each has its own, and the timing of the three is different. For both parties to communicate, they must use ...
Is there a good STM8/32 programming emulator that you can recommend?I used ST LINK before, and I have used it for almost a year. I have worn out 4 ST LINKs. Is there any replacement?Also, is there any...
The most significant event in the technology circle during this period is undoubtedly the news that ZTE was banned by the United States. Once the news came out, it shocked the entire Chinese techno...[Details]
【JDPCB】Qisda is introducing smart factories in phases. Chairman Chen Qihong said yesterday (25th) that through high automation, order delivery can be accelerated. The current benefits have reached a...[Details]
The update interrupt initialization configuration of the stm32 advanced timer TIM1 is not much different from that of the ordinary timer. What needs to be paid attention to is the configuration of TI...[Details]
The goal of this article is to build a TCP client based on the previous project that can ping the PC, and can actively send data to the PC, and can also send and receive data with the PC, and display...[Details]
Security PPP is a new model of urban video surveillance projects: 1) The government and social capital establish a project company in a certain proportion; 2) The project company participates in the ...[Details]
This program uses the eight-channel ADC single acquisition mode. According to the configuration, ADC12SC will automatically reset after the conversion is completed in the single mode, so it is necess...[Details]
The article is written for LPC2148, but it is also applicable to Samsung's 44B0 chip. You only need to select S3C44B0 as the corresponding CPU when selecting it. JLINK debugging experience un...[Details]
In order to strengthen the traceability management of recycling and utilization of power batteries for new energy vehicles, and to standardize and guide all relevant parties to fulfill their tracea...[Details]
According to the description provided in the official manual of ST, it is not difficult to see that the ADC analog watchdog is actually that the user can set an upper and lower limit of the AD value...[Details]
LiDAR: Autonomous driving from the perspective of optoelectronic technology LiDAR and competing sensor technologies (camera, radar, and ultrasonic) intensify the need for sensor fusion and the need...[Details]
ADI has established long-term good relationships with car manufacturers and Tier 1 component suppliers. Based on its previous long-term successful cooperation with new energy vehicles and suppliers a...[Details]
1. Common knowledge about DMA. 1. Function: to achieve high-speed data transmission between chips. That is, it can achieve data transmission without occupying the CPU. 2. Mode: There are three tran...[Details]
Title: Use two dynamic digital tubes to display from 0 to 60, output from the P1 port of 89C51, without adding a decoder, and directly connect the digital tubes. Note that they are dynamic digital tu...[Details]
I have been deeply affected by serial ports since 51. The MAX232 I bought from Huaqiang was originally broken. I thought there was something wrong with my circuit or schematic. Since there was no goo...[Details]
1. Analysis of the main causes of AVR damage: The AVR circuit consists of three parts: the rectifier main circuit, the voltage detection circuit, and the comparison control circuit. Excluding the...[Details]