[i=s] This post was last edited by paulhyde on 2014-9-15 08:53 [/i] It is said to be the ARM textbook of Zhejiang University. Share it and earn some chips......
Headhunter Position [Shanghai] Job Responsibilities: 1. Responsible for the hardware solution selection of thermal printers, laser printers, scanners and other related consumer electronic products (in...
Because a packet is surrounded by start and end bits, and the check bit is also fixed, it is easy to calculate the data bit length. Isn't it because the start bit is 0 and the end bit is 1, then any b...
_WITH_ READ_ONLY , 0, 4 * 1024 * 1024, FILE_MAP_READ ); for(;i
One is to apply for enough space and read the contents of the file one segment at a time in 4 * 1024 * 1024 segments; or directly read a ...
[i=s] This post was last edited by Wutong after the rain on 2016-8-5 12:39 [/i] I recently made a chip that is used to convert lithium batteries to traditional No. 5 batteries. The efficiency is prett...
On the 6410 platform, when reading an executable file from the SD card, the serial port prints [HSMMC0] SDHCControllerIst - Card is Inserted! and then stops at this point when waking up from sleep mod...
Microcontrollers (MCUs), which are widely used in automotive electronics, are rapidly facing time and cost pressures. The main advantage of using MCUs has always been to create high-level system in...[Details]
All electronic design engineers and scientists have performed electrical signal analysis, or signal analysis for short. Through this basic measurement, they can gain insight into signal details and...[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]
With the continuous improvement of the requirements of intelligent building security systems and the continuous improvement of people's safety awareness, indoor anti-theft has gradually attracted peop...[Details]
1. Introduction
At present, most lighting equipment still uses traditional energy for lighting. Making full use of solar energy as the energy supply for lighting equipment is of great si...[Details]
I. Introduction
Since RS232 has a short communication distance (only 15 meters according to EAT/TAI-232 standard), and can only perform point-to-point communication, it cannot directly f...[Details]
Overview:
This paper introduces a method of connecting a CAN-bus network with Ethernet to form a medium-sized remote monitoring/data transmission network.
CAN (Controller Area Network) is ...[Details]
Many battery-powered systems require a visual indicator to show when the battery needs to be replaced. LEDs are commonly used for this purpose, but they consume at least 10mA of current. This con...[Details]
Digital array radar (DAR) uses digital beam forming (DBF) in both receiving and transmitting modes to achieve flexible distribution and reception of RF signal power in the airspace, obtain excellent t...[Details]
TC9012F is a universal CMOS large-scale integrated circuit for infrared remote control signal transmission, suitable for remote control of TV, VTR, laser player and other equipment. In the market, ...[Details]
LED technology has made rapid progress, and improvements in chip design and materials have promoted the development of brighter and more durable light sources, and the scope of light source applica...[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]
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]
Analysis of the three core aspects of digital TV transmission standards
According to the differences in regionality, transmission method and modulation method, the transmission method needs to...[Details]
1 Development of LED Film and Television Lighting
1.1 The significance of developing film and television lighting
Lighting power consumption accounts for a large proportion of the total p...[Details]