I unexpectedly received the Jun Yixing HELPer2416 development board today. I am a little excited. I have been involved in bare board development before. I want to take this opportunity to learn more a...
I used TCPMP before, but TCPMP has a fatal problem under 6.0. I use SIRF A4 CPU, and there is a 75% probability of CRASH problem. This problem cannot be solved, so I am anxious to find a player now. I...
"Laboratory Circuits" is an important part of the "Design Convenient" service strategy advocated by ADI, and is also a special technical service specially created by ADI for the art and science of ana...
The sensor expansion board for STM32 Nucleo-144 supports an 8-channel digital microphone (MP34DT05-A) array. It supports two I2C interfaces for 9-axis measurement (LSM6DSL+LIS3MDL) achieved by combini...
I have a 250G mobile Hitachi hard drive. When I read the disk, I found that one partition is missing. I originally divided it into 3 partitions. Now there are only 2. Can you help me check it out? Tha...
[i=s] This post was last edited by flyword on 2019-1-28 05:57 [/i] [align=left][font=宋体] Yesterday's post simply used the ADC module. This post starts with using the DAC. Generally speaking, the DAC c...
introduction
With the continuous optimization of surface mount technology (SMT) and the rapid development of chip component manufacturing technology, the application of chip mounters in the el...[Details]
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]
1. Introduction
Automobile pollution is one of the most important issues that people are most concerned about and need to solve urgently. As an important method for detecting automobile exhau...[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]
introduction
In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a notew...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[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]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[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]
hint:
The number of speakers and their spacing limit the sound field of a portable stereo system.
Spatial audio attempts to artificially recreate the experience of listening to sounds i...[Details]
Preface
In recent years, white light LEDs have gradually replaced incandescent bulbs and fluorescent lamps because they have unparalleled advantages over traditional light sources in terms...[Details]
1 Basic Features
In computer control systems and various intelligent instruments and meters composed of single-chip microcomputers (or microprocessors), various external analog signals must be ...[Details]
1. Proposal of
reconfigurable
measurement and control system
The measurement and control system generally refers to a system based on
computers
to realize data acquisition a...[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]