Recently, I want to add a 3G module to the original board, which is ZTE's MC8630. However, the AT commands of this module are sent and received through the serial port, and the related data informatio...
[b][font=宋体]Lecture 1: Operation and Use of Development Board and Software[/font][/b] [font=Times New Roman]1. [/font][font=宋体]Introduce accessories. [/font][font=Times New Roman] [/font] [font=Times ...
There are all kinds of projects hidden in the Tektronix Black Technology Lab. For these top-secret projects, we only know their code names at present. Do you have the courage to break into the Tektron...
Metal film resistors Chip resistorsLow resistance low temperature system resistors Adjustable resistorsChip resistors Resistor rowaluminum shell resistors ThermistorsVaristors Carbon film resistors...
The numerical representation of fixed-point DSP chips is based on 2's complement representation. Each 16-bit number is represented by l sign bits, i integer bits, and 15-i fractional bits. Therefore: ...
DS2-Power Carrier Communication PLC What is Power Carrier Communication PLC technology? [/size][/font][/color][color=black][font=Arial][size=10.5pt] [/size][/font][/color][/align] [align=left][color=b...
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
Abstract: In order to generate a stable excitation signal, the design of a digital frequency synthesizer is implemented on FPGA using Verilog hardware language. The design includes accumulator, wav...[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]
On the afternoon of July 10, Beijing time, Taiwan's largest chip designer MediaTek expects its smartphone chip shipments to grow by double digits in the third quarter of this year, and the company is ...[Details]
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[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]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
VP2188 is a color STN LCD module produced by Jingdian Pengyuan. This module is a dot matrix transmissive color STN display screen with a color scale of 65 k colors and white LED backlight. Its core...[Details]
This controller uses PIC16C54 single-chip microcomputer as the controller, and it is very easy to use: just connect a telephone line to the loudspeaker through the controller, and you can rem...[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]
Capacitance Measurement
Used to verify that capacitors meet the manufacturer's specifications. For quality control, a group of capacitors may be placed in an environmental chamber and the cap...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
OC faults may be the most frequent and the most frequent of all faults in the inverter. They alarm during the startup process, during the shutdown process, during operation, and even when powered o...[Details]
Introduction
Automakers are working to reduce vehicle weight to reduce CO2 emissions and improve fuel efficiency. Designers are therefore seeking new technologies and design techniques that can...[Details]