I just wanted to do a card swiping test, so I started using GD
I bought the cheap RC522 from the Internet. RST is connected to PB0, SDA is connected to PB12, SCK is connected to PB13, MISO is connecte...
In December 2009, I reviewed TI's millimeter-wave radar EVM board: AWR1443; I had a partial understanding and a more intuitive understanding of TI's millimeter-wave radar;
This month, I bought another...
Add instructions about littlefs to the uos documentation:https://github.com/micropython/micropyt ... ry/uos.rstCreate a filesystem object that uses the FAT filesystem format. Storage of the FAT filesy...
[size=4]Learn I/O first. I/O operation is the most basic, and these registers must be firmly mastered. The difficulty of MSP430 is that it has a large number of registers that need to be set. Although...
[align=left][color=rgb(51, 51, 51)]When drawing PCB, we need to consider several issues clearly[/color][/align][list] [*][align=left]Single-layer board or double-layer board? [/align] [*][align=left]I...
[i=s]This post was last edited by fjjjnk1234 on 2020-10-18 11:30[/i]Zedboard development board, compatible with the official Zedboard
Chip model: Zynq-7020-CLG 484-2I
Condition: 95% new or above
Acces...
JD6621 protocol board with AC-DC PWM two connection methods:
1. Using the 431 benchmark inside the JD6621 chip:
- VBUS/GND connects to the positive and negative terminals of the synchrono...[Details]
Some basic knowledge about frequency converters: what are the braking methods of frequency converters? Braking refers to the technical measures taken when the motor is shut down due to fault protec...[Details]
Recently, Hangzhou Ruimeng Technology Co., Ltd. released its semi-annual performance report. The report shows that from January to June this year, Ruimeng Technology achieved operating income of 106...[Details]
Recently, a new Xiaomi phone with model number M2102K1G appeared on the GeekBench benchmark website. GeekBench shows that the phone is equipped with Qualcomm Snapdragon 888 flagship processo...[Details]
According to Jiwei.com, Broadcom plunged 5.6% on Friday. On Thursday evening, Broadcom announced quarterly revenue that was lower than expected, and also lowered its revenue forecast for this year by...[Details]
Samsung is about to announce a new smartphone called Galaxy M53 5G, according to GSMArena. It will arrive in the Vietnamese market on March 27, but its specifications, features and renderings h...[Details]
Europe has become one of the main destinations for Chinese electric vehicles to go overseas. In 2022, the 16 countries with the highest global market share of electric vehicles (including plug-i...[Details]
1. Composition and principle of solar photovoltaic system
A solar photovoltaic system consists of the following three parts: solar cell modules; power electronic equipment such as charging and disc...[Details]
On August 17, CATL New Energy Technology Co., Ltd. (hereinafter referred to as "CATL") and Shaanxi Automobile Holding Group Co., Ltd. (hereinafter referred to as "Shaanxi Automobile Group") signed...[Details]
On September 21, the Anhui Tongling Tongbei (Dingsheng) 500 kV transmission and transformation project designed by the East China Institute of China Energy Engineering Planning and Design Group was...[Details]
//-------------------------------------------------------------------------- //Source: http://hi.baidu.com/mculove/home //Program name: Use 74HC165 to read the status of 8 buttons //Crystal: 11.0592M...[Details]
For all mid-range PIC microcontrollers, when the top 4 pins (RB7~RB4) of PORTB are set to input mode, when the input level changes from high to low or from low to high, the microcontroller can genera...[Details]
Electronic enthusiasts provide you with the Xiaofeige electric bicycle charger circuit, hoping to help you study the charger circuit. The component parameters have been given in the figure. The speci...[Details]
The method is as follows:
refer to Figure 5-9 (C), saw the lower edge of the capacitor's compression groove around, carefully remove the aluminum shell, carefully unfold the two rol...[Details]