Working hours accumulation is an essential function for construction machinery and equipment. On the one hand, it is an important digital evidence for the fulfillment of warranty terms between enterpr...
Question: How many wireless transmitting encoding modules can a wireless receiving and decoding module have at most? If two wireless transmitting modules are pressed at the same time, and there is onl...
The clock frequency is 1MHZ, and three output pulses are required, firen1, firen2, and firen3, with a period of 20ms and a duty cycle of 1:2. Firen2 is delayed by 30° relative to firen, and firen3 is ...
Wu Ruida focuses on training high-end 3G embedded software engineers with high salary and in short supply in the market. Welcome to communicate with our 703 students! This batch of students graduated ...
Hello everyone, I have a problem now. I use the same PPP protocol stack, and TCP and UDP can be transmitted normally when using GPRS to surf the Internet. However, when using a wired modem and a CDMA ...
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]
1. Principle 1. Infrared emission protocol The infrared transmission protocol has been written in the previous article , so I will not repeat it here. 2. Timer counting and input capture A timer...[Details]
Although it is early summer, the Chinese smartphone market is still in the cold winter, just like Beijing in April with snow. For mobile phone brands caught in the middle, the cold is even more bit...[Details]
The Wassenaar Arrangement, everything started during the Cold War. Let's learn more about it with the embedded editor.
background
After the end of World War II, the United States ...[Details]
When designing a product, if the application environment's requirements for power isolation are not considered, the product will be unstable due to improper design, and even high voltage may damage t...[Details]
This example is mainly to familiarize yourself with the register configuration of Timer A and the configuration method of IAR. /*********************************************** Program function: re...[Details]
I used the bit definition in my 51 program: bit flag. After defining it this way, I ran the program and downloaded it to the circuit board. I found that the flag was not the value I set, which led to...[Details]
STM32 has two watchdogs: independent watchdog and window watchdog. This article mainly introduces the use of independent watchdog. Independent watchdog (IDWG): driven by an independent 40KHZ low-sp...[Details]
The Vatican Secret Archives is one of the world's greatest historical collections, but many of its documents have never been transcribed. Recently, a project called Codice Ratio used a
combination...[Details]
I have been working on a stm32 project recently and have been struggling with its startup method. I saw a good article and reposted it. The format of the original article is not very good, and there...[Details]
12864 LCD parallel port driver is more commonly used, but considering that sometimes the IO port of the microcontroller or MCU is limited, the serial driver method can be used. The following is ...[Details]
Interrupts and timers implement a 24-hour clock. The program is as follows: #include reg52.h #define PORTLEN P0 sbit bit_select = P2^0; sbit seg_select = P2^1; unsigned char src = {0x3f,0x06,0...[Details]
Design a program for the 51 single-chip microcomputer. It is known that the crystal oscillator frequency of the 89C51 single-chip microcomputer is 12MHz, and it is required to use T1 timing to output...[Details]
I have been working on single-chip microcomputers for several years, and I have always wanted to make a series of summaries. It happened to rain today. As the saying goes: Rainy days are good for...[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]