I have a few questions about the heap: 1. There is an algorithm in my program that uses a 5M global variable, which is so large that my thread cannot start. Now I want to change it to dynamic allocati...
I want to implement a camera preview rotation 90 degrees function on the pxa310 platform under wince6.0. However, the format is yv12, so I add a transform filter between the source filter and the rend...
Awards have been awardedI always remember that the forum engineers complained that the code generated by stm32cubemx was terrible. I always thought that this kind of graphical configuration software w...
The specific content of the project is to use the GPS module to receive data, then use the microcontroller to receive the receipt, and control the GPRS module to send the received data to the computer...
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[Details]
The battery and its management system are one of the key technologies of electric vehicles. In the past few years, most companies have encountered embarrassment in the development of electric vehic...[Details]
The cruise control system (CCS) of a vehicle is also called a constant speed driving system. It is an electronic control device that uses advanced electronic technology to automatically adjust the ...[Details]
(1) Open circuit voltage of the battery
(2) Internal resistance of the battery
(3) Battery operating voltage
(4) Charging voltage
Charging voltage refers to the voltage applied ...[Details]
1 Introduction
The early stage control system used relay control. Due to the large number of stage equipment, the number of control elements is huge and the wiring is complicated. Therefore, th...[Details]
introduction
1 The significance of using RTOS on MSP430
It is understandable that it is meaningless to use RTOS on MSP430. Because the hardware resources of MSP430 are limited (for exampl...[Details]
Reference sources are widely used in various analog integrated circuits, mixed-signal integrated circuits and system integrated chips. Their accuracy and stability directly determine the accuracy of t...[Details]
Engineers usually use multiple groups of cheap small-capacity batteries in parallel to achieve the larger battery capacity required by UPS. If multiple groups of batteries with poor performance uni...[Details]
LED lamp beads are voltage-sensitive devices and capacitive loads. In actual work, the current accuracy is required to be high, which is one of the main issues affecting the luminous efficiency and...[Details]
Digital storage oscilloscopes (
DSOs
) are now on almost every engineer's bench. However, many DSOs are still paired with analog real-time (ART) oscilloscopes. Why?
This is because both p...[Details]
For white LEDs
with a forward voltage of 3.5 to 4.2V (at 20mA),
a boost converter is usually required. A charge pump (such as MAX682 to MAX684) can be used together with MAX1916 to form
...[Details]
LCD display backlights, general lighting fixtures, street lights, etc. require multiple high-brightness LEDs to be driven simultaneously. These LEDs need to be connected in series and parallel combina...[Details]
O Introduction
Serial communication between microcontroller and PC is also called serial communication between lower and upper computers. This communication method can solve the harm caused by ...[Details]
Touch-sensing buttons are popular in daily human-machine interface applications because they are easy to use, beautiful, and do not involve mechanical movement. In particular, capacitive touch se...[Details]
Current transformer sampling current indicator light
As shown in the circuit diagram 4-40 (d) and (e), here, the current transformer T is used to convert the primary current into the secondar...[Details]
Embedded System
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