The us-level delay function uses the systick timer, which is taken from the atomic routine
static uint32_t fac_us = 1; //us delay multiplier fac_us = x, system clock is xMhz
/*** @brief Delay microsec...
I'm using TCPMP to generate a dll recently, and using C# to make the UI. I can play audio files, but I don't know how to do it in the video window. If you have any experts in this area, please give me...
This paper adopts LORA point-to-point communication and corresponding software design, and uses the aggregation node + communication module on the cloud to replace the LORA base station to design a wi...
I mentioned my lack of experience in crashing the machine in today's weekly report, but I didn't expect to experience it immediately in the afternoon. The company's product is a DSP-based motor servo ...
Ask shuiyan expert, and all the senior experts in the same field: Recently, I have been adjusting Samsung's 6410 processor and encountered a very strange problem. After a week, there is still no compl...
My hardware is PXA270, which is connected to 64MBYTE FLASH P33 through 16-bit data bus, and the address bus is 26-bit. P33 is composed of two 32M flash. In the program, the addresses of the upper and ...
introduction
Since the beginning of the 21st century, the world of information has changed rapidly. Maybe a high-tech product will be released today and a better similar product will be releas...[Details]
1. Principle of displacement angle sensor
The angle sensor is used to detect angles. It has a hole in its body that fits the LEGO axle. When connected to the RCX, the angle sensor counts once ...[Details]
introduction
The emergence of high-performance, low-power embedded CPUs and high-reliability network operating systems has made it possible to implement applications with large amounts of comp...[Details]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
1 Introduction
Water resources are the basic conditions for human survival and the lifeline of economic development. The reality shows that due to the global shortage of water resources and th...[Details]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
Problems such as the depletion of natural resources, air pollution, traffic congestion, and rising fossil fuel prices have forced societies and individuals to seek alternative means of transportati...[Details]
Motors, especially those with brushes, generate a lot of noise. This noise must be dealt with if the appliance is to meet the requirements of EMC standards. The means to solve EMC are nothing more ...[Details]
Corelink Semiconductor has launched the CL1100-based 5-7W E27 LED lighting driver system solution DB2. This driver module meets the requirements of small size (L×W×H=5.1cm×2.1cm×1.8cm), low standby...[Details]
The TPS92210 is a single-stage LED lighting pulse width modulation (PWM) controller. The TRIAC dimmable solution not only regulates the LED current, but also achieves a power factor close to 1. The...[Details]
introduction
LEDs continue to gain popularity in automotive applications, thanks to their long lifespan and the flexibility they offer for body styling and interior design. Some may be surpris...[Details]
LED is the abbreviation of the English word. Its main meanings are: LED = Light Emitting Diode, a solid-state semiconductor device that can convert electrical energy into visible light. It can dire...[Details]
Against the backdrop of global warming, energy conservation and emission reduction have become a global hotspot and focus, which has also sounded the clarion call for the take-off of the LED lighti...[Details]
Car lights, whether headlights, fog lights or tail lights, play an important role in driving safety. However, the material of the car lights determines that the probability of damage in a collision...[Details]