[i=s]This post was last edited by l1234564555 on 2016-7-9 09:13[/i] The board looks like this, with schematics and keil4 source code. DHT12 is the second generation, with higher precision than the fir...
PWM can be used to adjust the brightness of lights or the speed of fans, etc. In order to verify the effect of PWM regulation, a fan driver module based on power amplification is used here.
Its connec...
[align=left][color=rgb(70, 70, 70)]1. Put the cursor in front of the function you want to jump to. Remember not to select the function! ! ! ! [/color][/align][align=left][color=rgb(70, 70, 70)]2. Righ...
The PCI acquisition system DMA transfer succeeded on a single PowerPC (CK5) but failed on a 4-PowerPC (DY4) motherboard. What is the reason? ? ? Is it a problem with the master-slave settings of DMA? ...
I need to make a system with software that controls the current intensity and duration using a single-chip microcomputer. Please discuss the specific remuneration on QQ at 331379492...
Calibrators are widely used in university experiments. Among them, there are two experiments in nuclear physics experiments in modern physics experiments (GM counter and β absorption) that require ...[Details]
Although improper medical device product design is not always associated with medical device-related errors. Studies of users have shown that lack of adequate training accounts for 70% to 90% of suc...[Details]
1 Introduction
The integration of sensor technology and RFID has just started. As one of the world's major manufacturing and consumer countries, China should seize this opportunit...[Details]
Magnetic resonance imaging (MRI) systems for medical and scientific applications require a high-performance, high-power inductor capable of establishing a uniform, strong magnetic field. Transverse el...[Details]
For more than 10 years, analog-to-digital converters (ADCs) have been widely used in industrial process control, medical instruments, communication systems, radar and other products as a booster of in...[Details]
Ultrasonic tooth cleaning machines have been widely used in the medical field. Most ultrasonic tooth cleaning machines used at home and abroad now use analog oscillation circuits. There are the follow...[Details]
Designers of hearing aids have stringent requirements. Hearing aids must be small enough to fit in or behind the ear, operate on ultra-low power, and be free of noise or distortion. To meet these requ...[Details]
PCI (Perip heral Component Interconnect) is an advanced high-performance 32/64-bit local bus that supports linear burst transmission and has a maximum data transmission rate of 132MB/s. At the same...[Details]
As mobile phones have evolved from simple voice communication tools to multimedia devices that integrate communication, imaging, and gaming, application processors are replacing baseband chips as t...[Details]
introduction
Controller Area Network (CAN) is a bus standard proposed by Bosch of Germany to solve the information communication between automotive electronic control units. With its exc...[Details]
introduction
Like other
portable
electronic products,
blood flow parameter detectors
need to be small, thin, durable, reliable, and have a long standby time. Therefore, system desi...[Details]
Preface
For a long time, SD cards with Flash Memory as storage have been widely used in consumer electronic products due to their small size, low power consumption, erasable and non-volati...[Details]
Introduction
Wireless operators are driving demand for broadband and data rates by offering enhanced data services to increase average revenue per user (ARPU). The need to provide users with ...[Details]
A correct circuit design cannot be manufactured 100% correctly when it is taken to the factory for manufacturing. It will always be affected by various uncertainties, such as deviations in manufact...[Details]
Multimedia communication terminal equipment has a wide range of application prospects and can be applied to various fields such as video conferencing, videophone, PDA, digital television, etc. Therefo...[Details]