Example 1: Use a buzzer to simulate basic sound levels1.1 Working principle of a buzzerThe principle of a buzzer is that current passes through an electromagnetic coil, which generates a magnetic fiel...
Li-ion cell formation and electrical testing require precise voltage and current control, typically better than ±0.05% over a specified temperature range. This reference design proposes a solution for...
[i=s]This post was last edited by jinglixixi on 2020-7-29 08:13[/i]1. Initial expansion of display functions
The ESK32-360 development board is equipped with a TFT display, which can display character...
[i=s]This post was last edited by ttkx on 2019-1-10 16:52[/i] I tried the basic functions of NXP Rapid Iot, but found that the online IDE was very slow, but it was still usable. Now I summarize severa...
[i=s] This post was last edited by bzhou830 on 2022-2-27 21:59 [/i] [ [GD32L233C-START Review] 1. Unboxing test to light up the color screen](https://en.eeworld.com/bbs/thread-1193742-1-1.html " [GD32...
1. Overview
During the planning stage and network optimization of mobile communication networks, the most important propagation issue is path loss, which represents large-scale propagation characteris...
RC oscillator frequency selection circuit
VCC and gnd are the power supply parts of the amplifier, and the RC composed of C2 and R5 is the signal source, that is, the input part. ...[Details]
STM8 I2C interface The I2C (Inter-Chip) bus interface connects a microcontroller to a serial I2C bus. It provides multi-master functionality and controls all IC bus specific timing, protocols, arbitr...[Details]
In the power supply and distribution systems of modern enterprises and cities, most of the electric energy is transmitted by underground cables. Due to various reasons, the cable itself may have ...[Details]
Theory of Thermomagnon Heat Dissipation Materials
1. Problem Statement
Problems with existing LED assembly structures:
1. Basically, it is 1W LED/bead, without fastening device, and ...[Details]
OPPO, SAIC Motors, and SAIC Zero-Shunt established a joint laboratory to help smart car ecosystem interconnection take a key step forward August 24, 2022, Shenzhen, China - Today, OPPO, SAIC Motors...[Details]
On May 8, the Ministry of Industry and Information Technology issued the "Public Solicitation of Opinions on the Standardization Conditions and Announcement Management Measures for the Lithium Batt...[Details]
Synchronous reset issues in design
1. Problem (I)
In many places, designers prefer synchronous reset designs in terms of clocking. The reason may be to save some chip area (flip-flops with as...[Details]
The PWM DC motor speed regulation simulation schematic diagram is as follows. The PWM DC motor speed regulation schematic diagram and PCB diagram drawn by Altium Designer are as follows: The PWM...[Details]
The power supply is the power source of all electronic equipment and is the basic component to ensure the normal operation of electronic equipment. According to relevant statistics, power supply failu...[Details]
The technology circle in 2023 is very hot. The rise of generative artificial intelligence has driven humanoid
robots
to instantly become the focus of attention. However, behind the prosperi...[Details]
Keysight Technologies and Samsung Join Forces to Demonstrate 5G Non-Terrestrial Data Connectivity at Mobile World Congress 2023
•
Demonstrated SMS bidirectional sen...[Details]
Mounting structure The electromagnetic flowmeter host and sensor are assembled together to form an integrated electromagnetic flowmeter; or connected with the flow sensor through a signal cable to fo...[Details]
1. Why use serial port? The last article I wrote was on January 20th, and it’s June 7th today, so I haven’t updated in half a year. What happened in the past six months? After the Chinese New Ye...[Details]
Competition in the mobile phone consumer market is becoming increasingly fierce. Today, with serious product homogeneity, in addition to seeking breakthroughs in design, product quality is also anoth...[Details]
With the continuous integration of many technological breakthroughs and new streaming services, and the growing prosperity of the smart home and smart speaker markets, consumers' demand for audio i...[Details]