How to achieve positive and negative pulse output using a single battery power supply
To output positive and negative bidirectional pulse waveforms, is it necessary to use a positive and negative powe...
Here , USART0 is used, and PA9 and PA10 are selected as the transmitter and receiver of the serial port respectively .Initialize the pins and serial ports, and configure PA9 and PA10 to AF1 standby mo...
In the latest update, the rp2 and stm32 ports can enable the ubinascii.crc32() function via MICROPY_PY_UBINASCII_CRC32, which will add about 90 bytes to the flash space.https://github.com/micropython/...
This is the simplest and most accurate HCSR04 driver currently available. (I will give a comparison of the accuracy of several different drivers later.) [hide][code]from microbit import *from time imp...
[i=s]This post was last edited by jinglixixi on 2020-9-29 19:46[/i]I originally planned to configure a display screen for the development board. With a display window, it would be easier to output inf...
I received the joy of passing the review over the weekend, and I got this joy on Wednesday, so I’d like to show it off first.The development board is very simple, with only a CH579 chip, an Ethernet p...
The "war" between CATL and car companies in the field of power batteries will inevitably accelerate. Currently, Tesla and BYD, the two largest sales giants of new energy vehicles in the world, bot...[Details]
According to foreign media reports, Panasonic will provide a new cloud-based battery management service called UBMC (Universal Battery Management Cloud) service. This service can use professional bat...[Details]
I. Introduction I spent some time reading the man document of the compiler sdcc before, and I have a basic understanding of this cross compiler. But to rewrite the microcontroller program, I need to ...[Details]
What is noise figure? Noise figure is a figure of merit used to describe the amount of excess noise present in a system. Reducing the noise figure to a minimum can reduce the impact of noise on the s...[Details]
When developing 51 single-chip microcomputer application systems, scientists often encounter multi-byte division and reciprocal problems. However, the relevant programs introduced in some current m...[Details]
Smart cars are the development direction of advanced technologies in the automotive industry in recent years, and the application of sensors is a key technology in smart car environmental detection...[Details]
This article mainly introduces the skills of distinguishing OLED and CSTN color screens, hoping to help everyone clearly distinguish and then choose the product they like. Let's start with the concep...[Details]
BOE (BOE) ranks 11th in the world in the 2022 IFI Patent Authorization Ranking, leading high-tech innovation companies quality development On January 10, the 2022 annual statistical report releas...[Details]
The so-called power semiconductor devices, also known as power electronic devices in the past, are simply semiconductor devices that process power and have the ability to handle high voltage and high ...[Details]
Lianchuang Electronics stated on the interactive platform that through two and a half years of strong investment in product research and development, production organization, marketing and service, J...[Details]
arm-linux-gcc 3.4.5 busybox-1.24.1.tar.bz2 1. Modify the Makefile and find the following 2 changes to ARCH ?= arm CROSS_COMPILE ?= arm-linux- 2. Open the configuration menu make menuconfig and perfor...[Details]
The MAX3748H is a multirate data-limited amplifier for SONET, Fibre Channel, and Gigabit Ethernet optical receivers. When the MAX3748 is combined with the MAX3744 SFP transimpedance amplifier, it pr...[Details]
I. Introduction stm8 is a low-power MCU chip, which has the advantages of stm32 library functions and rich resources. It also has the characteristics of low price and low power consumption. In some p...[Details]
Apple officially released the iPhone 11 series early this morning. There are three mobile phones in the series. Since the upgrade did not exceed the expectations of the outside world, Chinese mobile ...[Details]
On December 24, Counterpoint released a report announcing the top ten best-selling smartphones in the world in Q3 2019. Among them, iPhone XR ranked first, occupying 3% of the market share. This ...[Details]