[backcolor=white][color=#000000] In many wireless IoT devices, such as wearable electronics and battery-powered or self-powered sensors, it is critical to keep power consumption to a minimum. Some of ...
[i=s] This post was last edited by leo121 on 2014-4-3 21:48 [/i] Friends who have done the SysTick experiment should have the impression that when calling the delay() function, after the program execu...
I am currently developing a widget whose function is to dial 16300 to access the Internet and send UDP data packets. 03 7D 23 7D 21 F9 88 7E The data received from MODEM is: 7E FF 7D 23 C0 21 7D 21 3A...
I am working on a project that uses the DDR2 IP CORE. In SOPC, I can successfully generate the SOPC system, but the following error occurs when compiling the entire Q2 project. I hope everyone can hel...
Does anyone have this file Micrium_STM32xxx_uCOS-II.exe? It is the one downloaded from the official website. Now it cannot be downloaded. It is very slow and prone to errors. It is not easy to downloa...
I use the TX of USART2 as DMA to output data, the baud rate is 115200, and send it directly to the PC. After each transmission, it enters the interrupt of DMA7 and closes the DMA channel. After the PC...
As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[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]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
Nippon Electric Works and Volvo Technology Japan have developed a wireless power supply system for electric vehicles (EVs). Using this system, the two companies have successfully conducted an exper...[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]
D5026A is a driver IC designed by Shanghai Debei Electronics for energy-saving LED display screens. Its design concept is energy-saving and compatible with existing solutions, that is, it can be ...[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]
0 Introduction
Wireless Sensor Network (WSN) monitors the target by deploying a large number of sensor nodes in the target area. WSN realizes the positioning and tracking of the target, determi...[Details]
introduction
The core features of mobile value-added service products are mobility, immediacy and personalization. Mobile value-added services are a new service mode that is rapidly developing...[Details]
Designing low power circuits while achieving acceptable performance is a difficult task. Doing so in
the RF
bands increases the challenge dramatically. Today, nearly everything has wireless...[Details]
UDN2916LB is a two-phase stepper motor bipolar driver integrated circuit launched by SANKEN. It can drive dual-winding bipolar stepper motors and is particularly suitable for controlling dual-step ...[Details]
The Portland Group, a leading provider of graphics processing units (GPUs) and graphics accelerators, has announced the availability of its PGI Accelerator™ Fortran and C compilers that support the...[Details]
Background
The proliferation of ultra-low-power wireless sensor nodes for measurement and control purposes, combined with new energy harvesting techniques, has made it possible to create ful...[Details]
Workers in garment factories usually turn on the power of the sewing machine motor as soon as they get to work and do not turn off the sewing machine power until they get off work. In fact, during ...[Details]
O Introduction
For people who are in the wild, a question that they are more concerned about is the altitude of the place where they are. However, there are very few such products on the mar...[Details]