The parallel port only costs a few yuan. Use a small multi-purpose board to solder one.Don’t underestimate this circuit because it is very simple. It is actually very stable in use.The burning procedu...
Use 8031, keyboard, 6-digit LED display, ADC0809 to form a system function, send the analog quantity to 8031 microcontroller through A/D conversion, and display it on 6-digit LED. Requirements: 1. Giv...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:14[/i] :victory: I went to Freescale to have a look during the summer vacation. I was lucky enough to go deep into the core area, the Freesca...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:13[/i] I was completely decadent during the three days of New Year's Day. I just played and slept. I went to work right away. I haven't done ...
[code]
void timer1()
{TIMSK=(1[/code] [code]void fre_pwm(int i,int b) { DDRD |=(14); // OC1B pin is set to output DDRD |=(15); // OC1A pin is set to output TCCR1A=(0com1a1)|(1com1a0)|(1com1b1)|(0com1b...
Encapsulate a.64p into .x64p Da Vinci tool chain establishment (project compilation steps) Tool chain refers to the compilation environment for programs under Linux. Here, the videnc_copy project unde...
UHF and HF are both general technology categories, but each category has independent supporting protocols. HF is more consistent in the 13.56MHz frequency band, although there are many internation...[Details]
Medicines are special commodities. If patients are given the wrong medicine, fake medicine, inferior medicine or expired medicine, it will pose a threat to people's health and lives.
In recent...[Details]
Sensors have made inroads into automotive, medical, industrial and aerospace applications. But you may not see anything changing yet. Growing demands for safety, convenience, entertainment and efficie...[Details]
This article introduces a miniature home electrocardiograph. The instrument has powerful functions: display monitoring, storage, playback, printing, record management, power alarm, telephone or Intern...[Details]
Many medical applications require portable, self-powered devices that do not require external power and data cables. The most obvious example is a portable data logger that patients carry with them to...[Details]
Introduction: Design of automated test systems
Challenges
To ensure the quality and reliability of products delivered to customers, test managers and engineers use automated test system...[Details]
In the development of high-stability lasers, real-time monitoring of the working state of the laser is an issue that needs to be focused on. This system realizes the high-stability laser temperatur...[Details]
Due to the needs of medical development, in many cases, general thermometers can no longer meet the requirements of fast and accurate temperature measurement, such as measuring human body temperature ...[Details]
Adding "intelligence" to measurement systems is becoming more common as 8-bit microcontrollers are inexpensive, widely available, and can be programmed using today's common high-level languages, su...[Details]
Power Integrations (PI) has introduced three charger/adapter reference designs using its new LinkSwitch-II series of AC-DC switching power conversion ICs. The new LinkSwitch-II devices use high-pre...[Details]
Abstract:
An amplifier solution for ceramic speaker systems is presented.
Keywords:
audio; ceramic speaker; amplifier; Class G
Today's portable devices require smaller, thinne...[Details]
At present, TPMS (tire pressure monitoring system) is mainly divided into two types, one is indirect type and the other is direct type. The direct TPMS system has been affected by its poor alarm ac...[Details]
With the advent of the new economic era represented by the Internet, PCs have lost their former glory, and smart 3C products (Computer, Communication and Consumer) will set off a new wave. As one o...[Details]
The rapid growth of consumer video applications, from portable media players and cell phones to video game consoles, requires a multitude of different interfaces and adapters to enable users to tra...[Details]
Agilent Technologies Inc. has announced a new Unlicensed Mobile Access/Generic Access Network (UMA/GAN) test capability on 3GSM that is both extremely affordable and easy to use. The industry's fi...[Details]
DIY/Open Source Hardware
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