Follow the rhythm - be a RF design engineer
Common RF coaxial connectors
Five Experiences in RF Circuit Design
A must-know for RF engineers: How to design directional coupler circuits
Antenna principl...
The serial wireless module ZLSN7046T is a wifi to serial module launched by Shanghai ZLAN . It can convert wifi signals into serial signals and supports multiple functions. It is packaged in a stamp h...
I used the RTL8309N-CG chip to design a three-optical and four-electrical switch. After the sample was produced, the electrical port was connected, but when the optical module was plugged in, it was n...
[i=s]This post was last edited by wenyangzeng on 2019-9-18 20:56[/i]NUCLEO_G431RB Review (2) Driving OLEDFirst, create a project in STM32 CubeMX to drive the OLED display. Select the STM32G431RB chip....
I looked at the application development in nRF51822 SDK, and found it quite different from TI.TI CC2540 has a relatively complete development framework, and this software framework has been used since...
1. Analysis of Misunderstandings of LED Heat Dissipation The misunderstandings of LED heat dissipation are mainly reflected in the following aspects: 1. The internal quantum efficiency is not hi...[Details]
Structural or white-box testing is effective in finding logic, control flow, computational, and data errors in the code. This testing requires a clear view of the inner workings of the software (henc...[Details]
Parallel connection has already come to the fore as early as the 1990s. It is now the new generation of robot power and is widely used in medicine and other light industries. This article will intr...[Details]
In order to achieve the accuracy of the measurement data, in addition to choosing the right instrument, the choice of test and measurement methods should not be underestimated. The power unit o...[Details]
0 Introduction
This paper analyzes the implementation of phase-shifted PWM controlled series resonant inverters. By changing the phase shift angle to adjust the power delivered to the load and ...[Details]
1. After installing MPLAB X IDE v5.00, the compiler interface is as follows: 2. Create a new file: File - New Project 3. "Microchip Embedded" - "Standalone Project" - "Next" 4. Select a 16-...[Details]
The main materials of touch
panels
include conductive film (ITO Film) and conductive glass (ITO Glass). Generally speaking, it refers to the traditional 4-wire resistive touch panel, us...[Details]
Production of three-way speakers
Speaker Selection
In the production of three-way speakers, the choice of speakers is crucial. We generally divide speakers into three categories: tweeters...[Details]
The input of photovoltaic grid-connected inverter is components, DC power, and the output is AC power. From the perspective of the inverter, there is no order of priority, and it can be connected i...[Details]
There are two main reasons why HardFault_Handler failure occurs in STM32: 1. Memory overflow or out-of-bounds access. This requires standardizing the code when writing the program yourself, and you n...[Details]
The ±500 kV Genan, Yihua and Linfeng DC projects are important guarantees for the entry of external electricity into Shanghai, supporting the safety of cross-regional power grid transmission.
...[Details]
Part 1 Crystal Oscillator The main function of a crystal oscillator is to generate a stable vibration frequency for use in the microcontroller clock circuit. 1. Working principle of crystal oscilla...[Details]
In the mobile phone industry, OPPO and vivo, two mobile phone manufacturers from Guangdong Province in the south, are nicknamed "blue and green factories" by netizens. Wherever there is an OPPO offli...[Details]
Life is not easy for everyone, even companies as strong as CATL have seen their stock prices plummet due to a significant slowdown in performance growth. Looking at the past year, CATL's market val...[Details]
The first step is to open the 6410 baseboard schematic:
You can see that OK6410 has six buttons:
You can see that the six keys of OK6410 correspond to the pins KEYINT1, KEYINT2, KEY...[Details]
RF/Wirelessly
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