The main parameters that characterize antenna performance include radiation pattern, gain, input impedance, standing wave ratio, polarization mode, etc. 1.1 Antenna input impedance The input impedance...
[color=#ff0000]A: How can I encapsulate a GPIO into a node of /sys/device/platform/rst. [/color] [color=#000000]B: Does it have to be in this directory /sys/device/platform/? Is there a way to only pu...
With the rapid development of science and technology, self-guided travel has gradually become a fashion, and equipping your car with an excellent GPS satellite navigation product has become a daily ne...
[i=s]This post was last edited by MPY Open Source Mutual Aid Alliance on 2019-9-18 17:28[/i]Preface:First of all, let me make it clear that we are not just making headlines. Python is already a very p...
Budget Analysis Ensures Good Radio Receiver Link Performance Link budget analysis in radio receiver design determines whether the system's noise and distortion performance meets the design specificati...
Application example : Using TOPWAY Smart LCD (HMT050CC-C) to input decimal places using PIP keyboard
The first stepis to create a project
The second step isto create three pages and import picturesCli...
With the rapid development of computer technology, microelectronics technology and electronic testing technology, a new type of testing instrument (Virtual Instrument, VI) is a new and vital type of ...[Details]
Recently, the Ministry of Industry and Information Technology has adjusted the frequency usage plan of the 230MHz frequency band used by narrowband wireless systems in the power, water conservancy ...[Details]
The power supply
shown in the attached figure
can be used not only for instrument circuits, but also for video or audio amplifiers with power less than 50W.
Working principle: Th...[Details]
First of all, the timer/ counter is very important. It is the heart of the microcontroller. First of all, let's talk about some concepts. Clock frequency: fosc (provided by the crystal oscillator, 5...[Details]
How to use gas chromatograph
I. Installation of chromatograph
1. Requirements for chromatograph analysis room
(1) There should be no strong magnetic field, flammable an...[Details]
This article introduces the main features, block diagram and typical application circuit of TPS65137. TI's TPS65137 is an active matrix OLED (AMOLED) power solution, including a boost converter wit...[Details]
GPIO Input In "STM8S Self-study Notes-003 GPIO Output: Lighting up LEDs and Marquee Effects", we have set the GPIO of the LED to push-pull output mode, which is only one of the GPIO output functions....[Details]
In order to facilitate the agricultural machinery operator to quickly and accurately know the depth of the machine operation, a field ultrasonic ranging method based on NEC single-chip microcomputer ...[Details]
The research on speaker recognition began in the 1930s. With the continuous improvement of research methods and tools, the research on speaker recognition has gradually gotten rid of the simple hum...[Details]
Transformer power loss test Power transformers are developed for power conversion in substations, electrical isolation of electrical equipment, voltage adaptation in circuits, and other fields. Durin...[Details]
Official regulatory agencies in Italy, France, Belgium, Luxembourg and the Netherlands have recently certified Enphase’s PV microinverter devices, which meet the requirements of the Italian ENEL gu...[Details]
At the SENSOR + TEST 2022 conference held in Nuremberg, Germany last month, STMicroelectronics detailed the ISM330IS, the industry's first sensor equipped with an intelligent sensor processing unit (...[Details]
Mitsubishi servo motor encoder zeroing is an important step to ensure precise motor control. This article will introduce the method and steps of Mitsubishi servo motor encoder zeroing in detail, in...[Details]
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