Hello everyone, I don't quite understand this circuit. I can understand the +5V boost to +13V, but
(1) I don’t quite understand how the voltage is increased to +18V.
(2) How is this +18V calculated?
(...
Portable Environmental Status Detector
Author:jinglixixi
I. IntroductionThe portable environmental status detector is a work based on the ESP32-S2-Kaluga-1 development board. With the addition of exte...
LED luminous characters are advertising sign products that use LED lights as light sources. They are popular among advertisers for their diverse colors, uniform lighting effects, energy-saving and hig...
1. Why do operational amplifiers oscillate: an intuitive analysis of two common causesThe first case is related to capacitive loads (Figure a). The resistor is the open-loop output resistance of the o...
[size=12px]Using microchip chip to design bootloader code, in the car bootloader process, the FLASH read/write/erase code is generated into a hex or s19 file, downloaded to the RAM address to run, is ...
An oscilloscope current probe measures the magnetic field generated by electrons moving within a wire. Within the range specifications of the current probe, the magnetic flux field around the cond...[Details]
0 Introduction
The power supply device is an indispensable component of electronic and electrical equipment. The switching power supply is favored by related industries for its advantages ...[Details]
Traditionally,
PFC
(power factor correction) offline power converters are designed with two power stages: The first power stage is usually a boost converter, because in this topology there is a c...[Details]
Thermistors, thermocouples, analog silicon temperature sensors, and nickel/platinum resistance temperature detectors (RTDs) require calibration to achieve the required temperature accuracy. Digital...[Details]
According to IPO Early News, Tianneng Battery Group Co., Ltd. (hereinafter referred to as "Tianneng Battery") is preparing for listing under the guidance of CITIC Securities (stock code 600030).
...[Details]
introduction At present, the inverter power supply powered by batteries generally consists of two stages. The front-stage DC/DC circuit converts the battery voltage into a DC voltage of about 350V, ...[Details]
On March 24, 360 released the "2019 Intelligent Connected Vehicle Information Security Annual Report" (hereinafter referred to as the "Report"), which is the fifth consecutive year that 360 has relea...[Details]
1. First, enter the project options, then enter the Debugger directory item, and get the following figure: Directly change the Simulator under Driver to ST-LINK. After completing this configuration...[Details]
The small MCU STM8S003F3 has only 1K RAM and 8K Flash. Its application is relatively simple, including AD sampling, GPIO control, and PWM control. It is a good embedded application. A recent projec...[Details]
According to Reuters, Kyung Kye-hyun, the new CEO of Samsung Device Solutions (DS) division, revealed at the shareholders' meeting on the 16th that Samsung's foundry business will look for new custom...[Details]
The rapid moisture meter is a testing instrument designed to simulate the national standard oven method. It can determine the moisture content of materials more quickly than the oven method. The hea...[Details]
The clock configuration source code is in the file system_stm32f10x.c. The program first determines the type of f10 chip used and selects the system clock frequency SYSCLK you want. The chip I ...[Details]
The rapid development of LED lighting commercialization is expected to increase the market demand for white LED phosphors. With the continuous investment in phosphor research and development, ...[Details]
After launching its first 4K OLED TV, Hisense has officially withdrawn from the OLED TV product line and switched to ULED-XD technology to compete in the high-end market. Hisense told reporters that ...[Details]
In the rapid development of the semiconductor industry, silicon carbide (SiC), as a new type of wide bandgap semiconductor material, is gradually becoming an important development direction of the ...[Details]