The open function code in the driver is as follows: static int wdt_open(struct inode *inode, struct file *file) { struct wdt_dev *dev; dev = container_of(inode->i_cdev, struct wdt_dev, cdev); file->pr...
The features of the EasyPower Nano regulator are summarized as follows: 1-3Mhz operating frequency, small size, high efficiency. SOT23-5, LLP-6 small packages. There are step-down modules LMR1\LMR2, a...
Recently, a project used infrared transceiver, which required modulating a 38K signal. The chip I used was TM4C1231H6PZ, which did not have a PWM module. I wanted to try the PWM function of the timer....
I am a novice learning ARM7, please help! The code in the book is as follows: CODE32 AREA vectors,CODE,READONLY Reset LDR PC, ResetAddr LDR PC, UndefinedAddr LDR PC, SWI_Addr LDR PC, PrefetchAddr LDR ...
[i=s] This post was last edited by littleshrimp on 2015-5-15 16:34 [/i] Please recommend an isolated DC-DC chip or module with small size and low cost. The input voltage can be any value between 3~12V...
[align=left][font=微软雅黑]First of all, when learning [/font] Cortex-M3, we must know the necessary abbreviations. [/align][align=left]The following is the summary: [/align][align=left]AMBA: Advanced MCU...
Hardware designers have begun to adopt FPGA technology in high-performance DSP designs because it can provide 10-100 times faster computing than PC-based or microcontroller-based solutions. Previou...[Details]
Microchip's PIC18F46J50 is a low-power, high-performance 8-bit USB microcontroller (MCU) using nanoWatt XLP technology. The current in deep sleep mode can be as low as 13nA, the operating voltage i...[Details]
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[Details]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[Details]
Two simple circuits are implemented to drive two LEDs from a battery powered microprocessor.
This design is based on a circuit that uses three resistors and a microprocessor I/O pin as an input h...[Details]
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]
Microcalorimetry
is used to determine energy relationships. Microcalorimetry techniques are often required when performing calorimetric experiments with small sample sizes or slow heating rat...[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]
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]
Among the many members of the single-chip microcomputer family, the MCS-51 series of single-chip microcomputers has occupied the main market of industrial measurement and control and automation eng...[Details]
From the previous section, we have learned that the timer/counter in the microcontroller can have multiple uses, so how can I make them work for the purpose I need? This requires setting the timer/...[Details]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[Details]
Introduction
Today, as IC (integrated circuit) has developed to a super-large scale, IC design based on IP (Intellectual Property) cores and their reuse are important means to ensure the ef...[Details]
1 What is an LED floodlight?
LED downlights are also called spotlights, projection lamps, and spotlights. They are mainly used for architectural decorative lighting and commercial space lighti...[Details]