In the new version of ESP series firmware (v1.11, including ESP8266 and ESP32), you can access rtc memory. For example:import machinertc = machine.RTC()
rtc.memory('12345')
rtc.memory()This content is...
We are doing a course design on single-chip microcomputers and need to use this chip. I have been looking for relevant information for a long time but cannot find it. If anyone knows, please help expl...
GPIOPinIntDisable: Disable a certain pin interrupt;
Function prototype:voidGPIOPinIntDisable(unsigned long ulPort,unsigned char ucPins)
Parameters: ulPort : GPIO port address
ucPins: A specific pin co...
Independent key debounce I. Introduction to independent keys The mechanical keys we use have a physical characteristic that they will jitter for 5~10ms when pressed. When we want to use keys to contro...
Require:
Make a notch filter (band-stop filter) that can suppress 50Hz power frequency interference signals, requiring the quality factor Q=10 and the gain Av1 .
I hope you guys can give me your opini...
__Vectors(), __iar_program_start(), __program_start(), what are these three functions respectively? What functions do they implement? In which compilation environment are they available? For example, ...
1 Introduction
As an emerging microfabrication technology, micro-electromechanical system (MEMS) technology has begun to be applied in various fields. It can integrate functions such as inform...[Details]
Flooded Batteries
This battery developed in Germany can be used to power flashlights, strobe lights and toys as long as it is filled with water. This battery can be stored for 50 years and can...[Details]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[Details]
Introduction
Liquid crystal, as a display device, is widely used in low-power products such as instruments, meters, and electronic equipment with its unique advantages. In the past, the displ...[Details]
Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, this proportion may be as high as 30-40% as more safety electronics, fuel consumption and ...[Details]
Only a small number of LED manufacturers can produce high-quality LEDs. For applications that are only used for simple indication, low-quality LEDs are sufficient. However, high-quality LEDs must...[Details]
Liquid crystal display (LCD) panels have a wide range of applications, from small portable electronic devices to large fixed devices, including digital cameras, laptops, personal data assistants, d...[Details]
1. Introduction
With the increasing popularity of fully automatic washing machines, consumers have higher and higher requirements for their environmenta...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
With the continuous advancement of various technologies in the field of measurement and control, the baseband subsystem of general measurement and control equipment has entered the fourth generation o...[Details]
Abstract: Based on the ZigBee parking lot SMS car search system, the location of the vehicle in the parking lot is sent to the owner through SMS, which is convenient for the owner to quickly find ...[Details]
When the so-called "copycat phones" that flood the domestic mobile phone market move towards large screens, stereo amplifiers, touch controls, and even GPS navigation and mobile TV, the homogeneity...[Details]
1 Introduction
With the rapid economic development, my country's electricity demand has been growing at a rate of more than 20% per year. According to the current economic development trend an...[Details]
Currently, the commonly used solar cell technologies include monocrystalline silicon solar cells and polycrystalline silicon thin-film solar cells. Production process: Monocrystalline silicon solar...[Details]
1 Introduction
Power supply ripple will interfere with the normal operation of electronic equipment, causing malfunctions such as computer crashes, data processing errors and control system fa...[Details]