1. Introduction
In fact, I wanted to make an interactive device before, which can monitor some website information, so that I can see and give feedback in time. I have been exposed to the ESP32 series...
[i=s] This post was last edited by me on 2021-4-8 17:32[/i]As shown in the figure below, the highlighted part is the 3.3V routing of STM32F103. First, AMS1117-3.3 outputs 3.3V in the upper left corner...
In recent years, the innovation and development speed of artificial intelligence and big data industries have been astonishing. The rapid popularization of 5G communication technology has laid a so...[Details]
Background and development purpose With the development of the electronics industry, electronic products have begun to show a "four-dimensional" development trend, namely miniaturization, integratio...[Details]
Power
amplifier is abbreviated as power amplifier. It can be said to be the largest family of various audio equipment. There are so many brands and models that it is really too numerous to me...[Details]
The principle of tinkering with audio is the same as that of tinkering with SLR cameras: the more you tinker, the poorer you become, and the poorer you become, the more you want to tinker. Looking ...[Details]
Apple recently shared two iPhone 13 ads, highlighting key features such as battery life and durable screens. In the first ad, titled "Doin' Laps," a kid places his iPhone 13 on a bike and cruises...[Details]
1. Brief description of I2C protocol
1. Features: multi-master, conflict detection and arbitration
2. Start and stop signals
During the high level of SCL, SDA jumps low, which is the st...[Details]
The chip manual states that AFR0 and AFR1 cannot be used at the same time AFR1 Alternate function remapping option 1 (2) 0: AFR1 remapping option inactive: default alternate function(1); 1: Port A3...[Details]
Power over Ethernet (PoE+) applications currently follow the IEEE standard 802.3af, which will be replaced by 802.3at (PoE+) in the second quarter of this year. The new PoE+ standard will provide a...[Details]
This paper analyzes two dual-loop instantaneous feedback control methods of the inverter - current-type quasi-PWM control method and three-state DPM current hysteresis tracking control method, intr...[Details]
Abstract: Aiming at the contradiction between the fixed switching frequency and the control speed of the existing PWM current mode control method, this paper proposes a quasi-fixed frequency hyster...[Details]
The Challenge:
The system has certain difficulties in high dynamic range, high timing accuracy, high spectrum purity and multi-channel design. On FPGA, the implementation of GPS synchroniz...[Details]
LG is no longer content with the traditional candy-bar form factor of its mobile phones and the company is moving forward with more ambitious smartphone plans. According to Korean media The E...[Details]
During this period of time, major mobile phone manufacturers have successively launched their new generation of representative top-level products. After Xiaomi launched the Xiaomi 12, Xiaomi 1...[Details]
0 Introduction
With the continuous expansion of commercial and industrial uses of LEDs, the heat dissipation problem of high-power LEDs has become a difficult problem in design and application. T...[Details]
Currently, most automobiles use LEDs and CCFLs as backlights, and both require special power supplies. This application note discusses power supply solutions for LED and CCFL light sources, w...[Details]
MicroPython Open Source section
京公网安备 11010802033920号
EEWORLD
