picolua is a Lua programming environment for Pico. In addition to the Lua runtime, it includes a basic Unix-like shell, a full-screen editor, and basic file management tools. picolua is designed to be...
I am a novice. I am currently in charge of a ZigBee wireless communication module for a project, the AW5161P2EF. I downloaded the manual, which contains the networking protocol and command configurati...
Hello everyone, I've recently been studying the derivation process of various inductance and capacitance values of NFC antenna matching circuits. Referring to the official application documents of NXP...
I have three RISC-V RV32 microcontrollers (GD32VF103 Zhaoyi Innovation, CH32V103 Jiangsu Qinheng, CH2601 Ali Pingtou Ge). RISC-V (pronounced "risk-five") is an open source instruction set architecture...
Is it the parasitic inductance of the switch?Then I saw a circuit similar to RCD function in the PFC circuit. Is the black circle the RCD circuit? Why is it different from the flyback switching power ...
There is a spike after the rectifier bridge, which cannot be clamped by the varistor. It can be clamped when the phase is 90 degrees, but not when it is -90 degrees. Is it because the varistor cannot ...
Adobe partners with NVIDIA to unleash the power of generative AI • Adobe and NVIDIA will jointly develop a new generation of advanced generative AI models • This collaboration focuses on deep...[Details]
Setting of stack register starting address: The memory management unit MMU is not started when the program is just started. The real memory address is as follows: ARM uses unified addressing, so we...[Details]
1. Simple classification of electric vehicles
HEV Hybrid Electric Vehicle
PHEV Plug-in hybrid electric vehicle
BEV Battery Electric Vehicle Pure Electric Vehicle
FCEV Fuel...[Details]
During Toff, the control switch K is turned off, and the current flowing through the primary coil of the transformer suddenly becomes 0. Since the current in the primary coil loop of the transformer ...[Details]
Data is the greatest wealth of an enterprise, and no company should take it lightly. Once data is lost, the enterprise loses not only the current wealth, but also the future development opportunities....[Details]
The news that "Huawei chargers failed random inspections" has been circulating for a long time, but the incident took a turn yesterday. Huawei responded that the store under random inspection h...[Details]
The arrival of 5G will bring earth-shaking changes to people's lives. The huge charm of the Internet of Everything has made some countries crazy about it, and they are rushing to determine the winner...[Details]
1. Introduction to the functions of C8051F020 MCU
The C8051F020 device is a fully integrated mixed-signal system-level MCU chip with 64 digital I/O pins. Its main features are: 1) High-speed, pipel...[Details]
In this article, the MAX5891 will be used as a special case for measurement and specification. However, the parameters and measurement methods described can be applied to other differential-outpu...[Details]
The double-T network RC sine wave oscillator is connected according to Figure 12-5.
Disconnect the dual-T network and adjust the static operating point of T1 tube to make U C1 6~7V.
Conn...[Details]
The three major A-share indices closed down today, with the Shanghai Composite Index down 0.91% to 3565.90 points; the Shenzhen Component Index down 1.92% to 15070.13 points; and the ChiNext Index do...[Details]
#define WARM_KEY_PIN (GPIOC- IDR&(1 5)) #define Speak(tmp) GPIOA- ODR=tmp?(GPIOA- ODR|1 12):(GPIOA- ODR&(~(1 12))) (1) IDR is a register used to check the pin level status, and ODR is a r...[Details]
The mass production time of the low-priced version of Vision Pro has been postponed to after 2027 for some time.
Guo Mingchi said that this means that in 2025, Apple’s new head-mounted d...[Details]