As shown in the figure, the white device in the lower right corner of the development board is the SI7021 temperature and humidity sensor produced by SILICON LABS . By consulting the manufacturer's da...
This content is originally created by EEWORLD forum user chenbingjy . If you want to reprint or use it for commercial purposes, you must obtain the author's consent and indicate the source. Chapter 7:...
[i=s] This post was last edited by Tongxiaokaocode on 2021-6-29 17:58[/i]Attach the manual firstRecently, due to project requirements, we need to use the MAX9611 chip to detect charging current.
The d...
[i=s]This post was last edited by xiyue521 on 2021-7-19 01:36[/i]1. Console and custom commands:In the HelloWorld process , I found that I can get the commands that can be typed by typing help in the ...
[font=Tahoma, Helvetica, SimSun, sans-serif][size=14px]Purpose:[/size][/font] [font=Tahoma, Helvetica, SimSun, sans-serif][size=14px]1. Monitor the internal register data of nRF24L01 chip through PC s...
1. STM8S003 pin remapping function As shown in the figure, I want to use this correspondence: PC5- TIM2_CH1; PC6- TIM1_CH1; PC7- TIM1_CH2; The default functions of these three pins are: PC5- ...[Details]
On the first day of the 2011 American International Solar Photovoltaic Exhibition, another module manufacturer launched module products and integrated microinverters for the US market. Hanwha Solar...[Details]
As an important part of the electric vehicle industry chain, the supply of charging piles is of great significance to the development of electric vehicles. This article will focus on analyzing the ...[Details]
S3C2440 has a total of 60 interrupt sources, of which 15 are sub-interrupt sources, which correspond to each bit in the SUBSRCPND register, and the other 45 interrupt sources correspond to each bit i...[Details]
Here are some suggestions based on my own development experience: The AD conversion time should be greater than 64us (determined by pre-scaling). If the sampling hold time is short, the acquisition...[Details]
Amplifier power supply circuit schematic
This is a power amplifier circuit that can provide two positive and negative power supplies. It has been mass-produced, but the user of this circuit has req...[Details]
On June 22, Honeycomb Energy Technology Co., Ltd. signed an agreement with Nanjing Lishui Development Zone, planning to invest 5.6 billion yuan to build a power battery production base with a total...[Details]
Black Shark Technology CEO Luo Yuzhou posted a photo of the new Black Shark phone on Weibo. Although the Weibo post did not reveal anything, it is certain that the new phone Luo Yuzhou used i...[Details]
Semiconductor laser
refers to a laser that uses semiconductor materials as working materials. Its driving methods mainly include PN junction injection. The commonly used and mature semi...[Details]
Use the parallel port P1 of AT89S51 to connect a 4×4 matrix keyboard, with P3.0-P3.3 as input lines and P3.4-P3.7 as output lines; the digital keys "0-9" are displayed on the digital tube, and the ot...[Details]
An assembly program that controls the brightness/darkness of LEDs with one button. When the computer is turned on, the first time the first switch is pressed, the 8 LEDs light up, the second time the...[Details]
This week, on the 36th anniversary of Qualcomm's founding, Cristiano Amon officially took office, becoming the fourth CEO in Qualcomm's history. Amon joined Qualcomm in 1995. Over the past 25 y...[Details]
The price of lithium carbonate, which once surged, showed a downward trend in 2023. According to data from Shanghai Steel Union, the price of battery-grade lithium carbonate fell by 2,000 yuan/ton on ...[Details]
STM32F4DiscoveryRTC debugging notes
Implementation function: Configure RTC to implement timing function and output current time through wake-up interrupt.
1. Hardware changes
This debugging u...[Details]
I have used Qemu to run/debug arm linux several times, but I forgot about it after a while. I had to look up the information again every time, which wasted a lot of time. This time I made the whole...[Details]
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