This is a method I made to pull a high level with a push-pull circuit. The leftmost part measures the input high and low levels of the MCU GPIO port, and the main research is on the voltage across BC....
Recently I was looking at the code under the wince OAK/DRIVER/usbfn/MDD layer. In the pipe.CPP under the mdd directory, there is a line of code in the PUSB_ENDPOINT_DESCRIPTOR CDynamicPipe::GetEndpoin...
The sensitivity of electronic devices is getting higher and higher, which requires the anti-interference ability of the equipment to be stronger and stronger. Therefore, PCB design has become more dif...
Dear heroes:I am now involved in the design of BOARDCOM chips with a group of people. If you want relevant design information, please ask for it in cash! My QQ is 259525623, contact...
This is the first beta release of CircuitPython 6.2.0 . This release provides initial support for the Raspberry Pi RP2040 chip, including the Raspberry Pi Pico and Adafruit's own RP2040 board.Changes ...
I have read the source code of mbed these days, and the interface encapsulation for upper-level application calls is quite good. The code quality is relatively high, the comments are also very detai...[Details]
I recently upgraded MDK to V5.25 and found that there are many libraries in the Managing Run-Time Environment. Compared with the past, it is much better, from the bottom-level driver to the upper-le...[Details]
Chip: STM32F107VCT6 Application Pin: THOUSANDS, RMII STM32CubeMX is very convenient to use ETH. The software comes with LWIP and configuration. This time, STM32F107VCT6+DP83848CVV is used. The MII a...[Details]
LAN8720 configuration: IP: 192.168.192.30 Gateway: 192.168.192.1 A high frequency of ARP packets is detected The content of the packet asks for the mac address of 192.168.192.1, and asks the resp...[Details]
On April 18-19, 2018, at the "Second Distributed Photovoltaic Carnival" held in Hangzhou, Jinko Power and China New Energy Assets Investment, Financing and Trading Platform (hereinafter referred to as...[Details]
At present, in the world,
the construction of
smart cities
is in the process of gradually landing from concept, and technology giants and investment giants are important participants in this...[Details]
Recently, Jiangsu GoodWe Power Technology Co., Ltd. ("GoodWe") unveiled two products of the SDT family, the 17kW smart photovoltaic inverter GW17KN-DT and the 20kW smart photovoltaic inverter GW20KN-D...[Details]
I used the bit definition in my 51 program: bit flag. After defining it this way, I ran the program and downloaded it to the circuit board. I found that the flag was not the value I set, which led to...[Details]
sprintf is a function in the C language library that converts data types. There is a situation where In 51 MCU, define unsigned char temp; Then I want to use the serial port to print out temp in deci...[Details]
The independent watchdog of STM32 is driven by a dedicated internal 40Khz low-speed clock, that is, it is still effective even if the main clock fails. Here we need to note that the clock of the inde...[Details]
Today’s medical devices are filled with increasingly complex electronic devices that monitor, display, assist and warn patients. The latest generation of medical device electronic devices are smaller...[Details]
In mid-to-late 2016, a girl from Hubei came to Beijing alone, full of curiosity about
cloud computing
. The girl left the deepest impression on me was her lovely smile. She told me that if ...[Details]
The Vatican Secret Archives is one of the world's greatest historical collections, but many of its documents have never been transcribed. Recently, a project called Codice Ratio used a
combination...[Details]
stm32/stm8
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