Handheld radio is the abbreviation for handheld walkie-talkie. The general transceiver format of handheld radio is FM, the power is about 5W, the frequency range is VHF:144-148, UHF:430-440 amateur bu...
Why does the output voltage of the transistor voltage regulator circuit equal the base voltage minus VBE?
Why is the output voltage not equal to the input voltage minus the VCE voltage? Aren't these t...
The supporting materials are in the "iTOP-3399 Development Materials Summary (excluding CD materials) \06_iTOP-3399 Development Board Androidstudio\Install Androidstudio" of the network disk materials...
Everyone is familiar with ThreadX, a well-known embedded system, but here is a brief introduction~ThreadXThreadX is an excellent hard real-time operating system (RTOS) suitable for deeply embedded app...
[i=s] This post was last edited by sf116 on 2019-5-22 22:07 [/i] [font=微软雅黑][size=3][b][color=red]Title of Work: [/color][/b] Intelligent RV Control System [/size][/font] [font=微软雅黑][size=3][b][color=...
Servo motors are widely used in situations where precise control is required, such as robots, automatic machinery, robotic arms, etc. However, the scope of servo motors is not limited to this and can...[Details]
At the OPPO Developer Conference at the end of 2019, OPPO launched the OPPO IoT "Enabling Action", which will open up access to smart devices such as smart homes, wearables, and in-car travel, provid...[Details]
According to foreign media reports, Oculii, an American AI software platform developer, is working with Ansys, an engineering simulation software supplier, to use Ansys' simulation solutions to devel...[Details]
The L4970A series of high-power monolithic integrated switching power supplies is the second generation product launched by ST after the L4960 series. The circuit features are: it is developed using ...[Details]
Overview of stm8s timer TIm4 The timer consists of an 8-bit auto-reloadable up-counter, which can be used as a time-base generator with overflow interrupt function. The TIM6 clock signal cont...[Details]
In this phase of work, we need to implement an I2C slave engineering design simulated by GPIO. Previously, we only used GPIO to simulate I2C to design the host, and this is the first time to design a...[Details]
The well-known market organization Canalys recently released an analysis report on China's domestic smartphones. China's smartphone market shipped 83 million units in the third quarter, a 15% decreas...[Details]
Author: Hwee Yng Yeo, Keysight Technologies Modern connected cars run a lot of software. According to the book Code Complete (Steve McConnell, Steve McConnell; Cob and Mills, 1990), even with the b...[Details]
Almost everyone who uses a cell phone has experienced a few dropped calls. While system failures or glitches in these and other consumer products can be inconvenient, they are not catastrophic. How...[Details]
The "Outline of Key Construction Tasks for Ubiquitous Power Internet of Things in 2020" (hereinafter referred to as the "Outline") recently issued by State Grid Corporation of China pointed out tha...[Details]
China Energy Storage Network:
As countries around the world promote the development of clean, low-carbon new energy systems, the proportion of distributed renewable power sources, electric ve...[Details]
On September 26, 2023, Beijing Goldwind Zero Carbon Energy Co., Ltd. (hereinafter referred to as "Goldwind Zero Carbon"), a wholly-owned subsidiary of Goldwind Science & Technology Co., Ltd. (herei...[Details]
1. Introduction Electromagnetic flowmeter (EMF for short) is an instrument that uses Faraday's law of electromagnetic induction to measure the volume flow of conductive liquids. In the early 1950s, ...[Details]
Testability is defined as: the design characteristics of a product that can determine its status in a timely and accurate manner and isolate its internal faults. The design for the purpose of imp...[Details]
Solutions and circuit diagrams for LED lights with E27 and GU10 interfaces
IC: PI company LNK605/606 power supply features: small size isolation product, can be installed in E27, GU10 lamp holder; ...[Details]
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