Inverter power supply is called "tomorrow's power supply". Its application in welding equipment has brought revolutionary changes to the development of welding equipment. First, the inverter welding p...
As shown in Figure 1, we can see a 485 self-transceiver circuit. Figure 2 is the PIN definition of the 485 chip. During the data transmission process, when TXD sends 0, the transistor is not turned on...
#includeunsigned int results[4]; // access the conversion value variable void main(void) { unsigned int i; WDTCTL = WDTPW+WDTHOLD; // turn off the watchdog P7SEL |= 0x03; // enable the external crysta...
MAX3232CSE does not work. Can anyone who has used it give me some experience or insights? I made the circuit according to the PDF manual. The working voltage is 3.3V. The capacitors are all 0.1UF SMD....
I will be a junior next semester. I am a software engineering major. I passed the software designer exam. I want to take the system analyst exam next semester. A doctoral project team in the college i...
1. Problem When developing STM32 with IAR, I found that I could not print floating point numbers by redirecting printf to the serial port. The code is as follows: The output is as follows: It can...[Details]
According to foreign media reports, the 2018 GMC Terrain Denali is equipped with multiple collision detection systems, and a recent test verified the safety of the system. Even when driving in a bu...[Details]
What is SYSTICK: This is a 24-bit system tick timer, SysTick, with automatic reload and overflow interrupt functions. All microcontrollers based on the Cortex_M3 processor can obtain a certain time ...[Details]
The implementation of CAN driver under embedded operating system Android requires not only adding CAN driver device in Linux kernel, but also implementing the call of Android HAL layer. Taking S5...[Details]
Independent watchdog (IWDG) and low power mode are often used in STM32 development. The watchdog is to detect and solve faults caused by software errors, and the low power mode is to enter sleep mode...[Details]
Using AT89S51 microcontroller, modify the original one to turn the LED on for 4s and off for 2s. Thank you. Use a timer. (The program is written in the answer, omitted here - just a note) The origi...[Details]
Homemade LED Electronics Clocks can be seen in many electronic newspapers and magazines, but most of them need to reset the time and other parameters after power failure, which brings a lot of inco...[Details]
On January 29, according to Forbes magazine, many
storage
technologies and markets have been in the making for the past few years and will fully explode in 2018, which will have a huge impa...[Details]
pt2262 source code written by EM78P156 ;this program is HOME ALARM ; n ;this progam write and test for 01.2.18---3.5 ;Chip EM78P156 F=3.58 MHz ;SETUP : CYCLE=2,CLOCK=...[Details]
In this example, a single-byte binary number (0X20) is converted into uncompressed BCD code and stored in 0X25, 0X24, and 0X23, where 0X25 is the hundreds place and 0X23 is the ones place. main: MOV ...[Details]
Infrared remote control is the most widely used remote control method. Infrared remote control devices have the characteristics of small size, low power consumption, strong functions and low cost. Th...[Details]
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