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...
[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...
Recently, I have been learning about the MOS tube anti-reverse connection circuit, and I have been confused by several questions. I would like to ask you for help. 1. Why do we sometimes use two resis...
[i=s] This post was last edited by Aguilera on 2019-1-8 17:26 [/i] [size=5][font=sans-serif] At present, the on-chip RAM of DSP is getting bigger and bigger. To design an efficient DSP system, you sho...
1. Description MCU: Zero-knowledge open source development board - standard board Module: DHT11 module Development tools: Zero-knowledge open source development tools [font="][size=4]The DHT11 module ...
introduction
Initially, there was no standard for
the digital communication interface
for mixed-mode transmitters and network application processors (NCAPs)
. Each transmitt...[Details]
On July 10, 2023, Hengyun Group ushered in a new milestone in its development history. The first unit of the Hengyun East District 2×460MW "gas-replacing-coal" combined heat and power and cooling p...[Details]
This product has 2 universal UART modules (UART0/1), supporting half-duplex and full-duplex transmission; supporting 8-bit and 9-bit data formats; Supports four different transmission modes: Mode0/1/...[Details]
On June 7, the launch ceremony for the third batch of newly started projects in Shenzhen in 2022 was held. A total of 109 newly started projects were launched with a total investment of approximately...[Details]
Since the binocular vision monitoring system can imitate the functions of the human eye, perceive the three-dimensional world information, and obtain the depth information from the object to the CC...[Details]
Automation and IT (information technology) have begun to expand in China's manufacturing industry. China hopes to increase the domestic market share of industrial robots from more than 30% in 2017 to...[Details]
introduction
Frequency characteristic tester is also called scanner. Early frequency characteristic tester was completed by manually changing the frequency point by point. Later, a special scanner ...[Details]
June 14 news: Recently, a speech by a well-known American economist was dug up, in which he said that the United States would cut off its chip supply to China for a maximum of 10 years.
It is ...[Details]
STM8 dedicated programming seat burning seat QFP44 0.8mm original imported seat Only for STM8 QFP44 package 0.8mm pin spacing MCU programming and testing, support models see the introduction Model ST...[Details]
The specified capacity of a battery is the amount of charge it can deliver from 100% state of charge to zero state of charge. Charging to 100% state of charge or discharging to zero state of charge...[Details]
In recent years, KTV entertainment mode has undergone significant changes, resulting in the popularization of the mode of using pre-effects with post-amplifiers, which has triggered the "karaoke ef...[Details]
1. Low cost, the price is easily acceptable
The casing of an independent external amplifier should have sufficient mechanical strength and good shielding. The cost of some well-made casing...[Details]
Analysis and comparison of various ADCs
A/D conversion technology
Today's software radio and digital image acquisition require high-speed A/D sampling to ensure effectiveness and ...[Details]
On October 12, 2023, Xinjiang Yueshui Energy Co., Ltd. (hereinafter referred to as "Xinjiang Yueshui"), a wholly-owned subsidiary of Guangdong Hydropower Bureau No. 2 Co., Ltd. (hereinafter referre...[Details]
As the payment field moves towards digitalization, protecting digital identities and transactions becomes increasingly important. In addition to standard contactless payment cards, biometric p...[Details]
Analog electronics
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