A simple common emitter amplifier circuit, why is the base current so small? According to the manual of 2N5551, shouldn't the voltage drop be only 0.7V? It stands to reason that the base current shoul...
This time, we use the combination of blynk app + server (local) + zero-knowledge ESP8266 development board to control the RGB LED to display various colors through the mobile phone APP.
1. Hardware pr...
In the development of modern automobile technology, more than 95% of cars have adopted the CAN bus protocol, and some entertainment systems have adopted Ethernet. Combined with the commercial applicat...
[i=s]This post was last edited by fish001 on 2020-5-9 22:50[/i]Tips: Since the download file is large, to ensure a smooth download, it is recommended to use download tools such as Thunder, QQ Tornado,...
[i=s]This post was last edited by landeng1986 on 2019-10-31 20:07[/i]With this development board, you don't have to worry about not being able to use the high-end radar in your hands. Infineon provide...
Next is the previous review report: [Atria AT32WB415 Review] 1. Unboxing, installation and use of AT32 IDE development environment (especially error resolution) - RF/Wireless - Electronic Engineering ...
What if your grandfather could manage his diabetes without cumbersome test strips and confusing messages? What if a 7-year-old with diabetes didn’t have to deal with the stress or fear of pricking hi...[Details]
1 LED lighting control system principle The system schematic is shown in Figure 1. When the infrared receiver receives the infrared remote control signal, the AVR microcontroller is awakened from sle...[Details]
Recently, Huayinxin (Wuhan) Technology Co., Ltd. (hereinafter referred to as "Huayinxin") announced the completion of a B1 round of financing of 130 million yuan. Investors include Guozhong Capital, ...[Details]
Samsung said on Monday it has started building a new NAND flash memory chip production line in the country, betting on increased demand for personal computers and servers, Reuters reported. Samsung p...[Details]
In the function tests related to intelligent driving, the test conditions, test system installation and configuration, test process and KPI of whether the test is passed are considered. Test conditio...[Details]
With the advent of the 5G era, most parts of the world are now starting to trial 5G commercial use. Major technology companies are also working on building equipment equipped with 5G networks. 5G mob...[Details]
According to foreign media reports, a foreign user successfully ran Windows 10 on ARM on Apple's M1 chip and ran a score. According to the test results, Apple's M1 runs nearly twice as fast as Micros...[Details]
// Function: Initialize channel 1 of timer 1 to control the brightness of the LED // Input parameters: None // Output parameters: None // Return value: None // Note: None void Tim1_Init() { ...[Details]
Some people are confused when they see that OPPO and vivo phones, which do not have top-notch performance and are priced high, have good offline sales. They think that OPPO and vivo are too good at d...[Details]
This experimental board consists of a main control board and several controlled sub-experimental boards. The main control board is a single-chip minimum system, and the principle is shown in Figure...[Details]
Space and cost constraints have always been important factors in the design of consumer electronics, so that the products that enter the market are beautiful and attractive, and offer competitive pri...[Details]
With the modular development of hardware systems, many electronic products have been made into modules and use serial ports for data communication. For example: GPRS module, GPS module, voice module, ...[Details]
1. Introduction LED applications have expanded to various fields, including LCD backlight, mobile phone backlight, signal lights, artistic lighting, architectural lighting, stage lighting contr...[Details]
Hello everyone, every time you use an oscilloscope to measure a signal, do you directly pick up the probe to measure the channel signal? Have you performed channel delay correction? In fact, delay co...[Details]
When talking about Las Vegas, we can think of a long list of related symbols: casinos, hangovers, GTA, decadence and extravagance... But now Las Vegas will add a new important symbol - the first city...[Details]
Analog electronics
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