[b]Sine wave oscillation circuit[/b] [b](1) Use the Wien bridge to make a sine wave oscillation circuit with an amplitude stabilization link. [/b] [b](2) The oscillation frequency can be adjusted with...
The design schematics and PCB of the quadcopter main control board are here. I hope it can be a reference for friends who are working in this field. [url]https://download.eeworld.com.cn/detail/%E5%8F%...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:30[/i] Hello all the masters, will Lingyang still sponsor the national competition this year?...
[i=s]This post was last edited by viphotman on 2018-1-27 15:14[/i] 1 Previously, the RSSI value was not processed in the App. Now, after a simple processing of the RSSI reading interval and value, the...
Author: Shi Lei [align=left] Today, I will share some tips on Allegro PCB Design software, and some surprising moves. Just as Sun Tzu's Art of War says: In any battle, the right way is used to win, an...
How to use string, vector, pair in wince Now I have no problem using string, and after adding the compile option /GX, there are no warnings. But now there are many warnings when using vector, and ther...
International Solar Photovoltaic Network News: Chinese inverter company Sungrow announced that it will build a 3GW photovoltaic inverter manufacturing plant in Bangalore, the capital of Karnataka, ...[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]
ZTE,
caught
in the vortex of
the US ban on the sale
of chips
, has sounded the alarm for China's information technology industry and revealed China's "chip disease". Let's follow the ...[Details]
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]
1.MAX31865 (1 Introduction The MAX31865 is an easy-to-use thermistor-to-digital converter optimized for platinum resistance temperature detectors (RTDs). External resistors set the RTD sensitivity, a...[Details]
After searching a lot of information, I finally understood the time base timer. I did not use any library functions but operated the registers directly. The following introduces the systick in STM32...[Details]
The last two blogs talked about a version problem of STM32CubeMX and the problem of hardware reset. When you solve these two problems, you will find that after the program is burned into the board, t...[Details]
Automotive LCD Instrument Clock EMI Solution As early as 2014, the market size of China's automotive full LCD instrument has reached 3.506 billion yuan, and it is expected that by 2020, this s...[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]
From the functional classification, it can be divided into: 1. Active control ADAS: ACC/AEB/LKS, etc. 2. Warning ADAS: FCW/LDW/PCW, etc. 3. Other auxiliary ADAS: BSD/ADB/panora...[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]
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]
1) Independent watchdog has no interrupt, window watchdog has interrupt 2) Independent watchdogs can be divided into hardware and software, while window watchdogs can only be controlled by software...[Details]
ADC: 1. The ADC module inside STM32 has three ADC1, ADC2, and ADC3, which are independent of each other, so synchronous sampling can be performed. 2ADC input clock must not exceed 14MHz, it is genera...[Details]
(1) JTAG is a communication standard used for real-time and fast communication between computers and microcontrollers. The JTAG function of AVR (only available on some models) makes AVR debugging ver...[Details]
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