The picture shows an LCD power supply circuit. Boosting 5V to 9.6V is a normal boost circuit. I would like to ask about the generation principle of +18V and -7.5V....
An example of troubleshooting a trigger failure on a Tektronix TDS7254 oscilloscope1. Instrument model:Tektronix oscilloscope TDS72542. Fault phenomenon:The customer reported that after the oscillosco...
I want to sample at the start and end of the effective vector of svpwm. The method I have thought of now is to use the ADC's s/w software trigger, but I don't know how to use the software trigger. How...
Integrated flexible power devices contain multiple DC/DC converters in the same package. These DC/DC converters can be any combination of buck converters, boost converters, and/or LDOs in a single pac...
[i=s]This post was last edited by Maoqiu Dada on 2021-11-2 15:33[/i]This tutorial is mainly to connect the STM32F407 Explorer development board to Gizwits Cloud through the China Mobile Cat.1 4G modul...
When I was posting a blog, I could only select tags with the mouse, and the webpage would go blank when I typed keywords on the keyboard. I began to suspect that it was a browser problem, so I switche...
Apple continues its quest to add accurate blood pressure measurement to the Apple Watch, and now that research includes utilizing stretchable Watch bands. The Apple Watch has always been able to...[Details]
1. Introduction to FreeRTOS interrupt settings Two macros are defined in FreeRTOSConfig.h: configKERNEL_INTERRUPT_PRIORITY configMAX_SYSCALL_INTERRUPT_PRIORITY configKERNEL_INTERRUPT_PRIORIT...[Details]
Although emergency measures can solve the immediate problem, it is still necessary to remove the root cause in the end. A bolt from the blue. The latest news on August 3rd was that the State Adm...[Details]
The 14th China Automotive Blue Book Forum (CABF2022) with the theme of "Refresh" opened in Wuhan China Auto Valley. As a guest speaker at the first day's main forum, Shan Jizhang, founder and CEO of ...[Details]
According to foreign media reports, Microchip Technology Inc. (Microchip Technology) announced the expansion of its microprocessor system-on-module (SOM) product portfolio, including the SAM9X60D1G...[Details]
According to Gartner data, global smartphone sales to end users fell 2.7% to 373 million units in the first quarter of 2019. Sales in the United States and China, the two countries with the largest s...[Details]
Following the South Korean government's review, the Committee on Foreign Investment in the United States (CFIUS) has recently begun to interfere in the sale of Magnachip Semiconductor. The acquisitio...[Details]
1 Introduction The National Higher Education Automation Professional Teaching Guidance Committee was entrusted by the Ministry of Education to hold the first "Freescale" Cup College Student Smart Ca...[Details]
Redmi's official Weibo account released a poster tonight, suggesting that the three talented musical girls will endorse the Redmi Note 9 "Three Musketeers" mobile phone. It is inferred that the...[Details]
Pulse Width Modulation, or PWM for short, is a very effective control technology that uses the digital output of a microprocessor to control analog circuits. It is often used to control the brightnes...[Details]
Look up the schematic diagram of the mini2440 and find the schematic diagram of the LED part:
Then find the pins of the S3C2440 to which nLED_1 to nLED_4 are connected respectively:
...[Details]
Description of the keyword code in Keil The keyword code is a unique keyword for 51 MCU. Variables defined with unsigned int or signed char are stored in the MCU RAM, and the values of these var...[Details]
French automotive supplier Valeo will showcase Ineez Air Charging at CES 2024 in Las Vegas next week. The V2G-enabled wireless charging solution is suitable for all public and private charging locati...[Details]
Purpose: Encrypt embedded code programs running on STM32
Compilation environment: IAR Embedded System for ARM5.5
1. STM32Flash organization
The Flash of STM32 includes main memory (HD ver...[Details]