The display is very dim - all black - this program only requires a few minor configuration changes (at ADCON1 and ANSEL) to get the display to work on the 877A. #include#define uchar unsigned char #de...
I am currently developing products using the UART chip TL16C2550PFB (G4). When doing communication tests, I found that I can send data, but I cannot receive data. Hardware: 1. The CPU is Motorola's MC...
I want to use JR45 to replace the serial port. It means two boards, the communication between the boards is made into a serial port, and the wiring is connected with a network cable, but not connected...
[backcolor=royalblue][/backcolor] :loveliness: ST official recommended a batch of information. I guess these materials should be the solutions summarized by ST FAE for the problems encountered by rela...
"Originally, there are many people who can design very good
chips
, but the market does not give domestic
chips
the opportunity to iterate, and domestic companies cannot give engine...[Details]
We have come a long way from the 2G era, and now 5G is about to be commercialized. Suddenly, we realize that time has passed quickly, but technology has never stopped. The activation of 5G heralds ...[Details]
Recently, there was news that the US government asked Google to shut down the Android operating system for ZTE phones. After that, some people even imagined what the consequences would be if Intern...[Details]
Regarding the PHY construction of LWIP, the PHY chip used is LAN8720A, RMII mode. Regarding the hardware connection part, the Atomic board F407 is used, and the hardware connection is as follows: ...[Details]
Security PPP is a new model of urban video surveillance projects: 1) The government and social capital establish a project company in a certain proportion; 2) The project company participates in the ...[Details]
This program uses the eight-channel ADC single acquisition mode. According to the configuration, ADC12SC will automatically reset after the conversion is completed in the single mode, so it is necess...[Details]
In recent years, the application of high-brightness LED has developed rapidly, especially in signboards and traffic lights. For automotive applications, LED is also very attractive. Long life, shock ...[Details]
STM32 Watchdog Summary I have been adjusting the development board of Atom Brother for more than a year, and it is basically usable, but I still don't understand the working mechanism of some basi...[Details]
OSC_IN and OSC_OUT are external crystal pins by default. If you do not use an external crystal oscillator on the STM32, how to connect OSC_IN and OSC_OUT If you use the internal RC oscillator instead...[Details]
1. Common knowledge about DMA. 1. Function: to achieve high-speed data transmission between chips. That is, it can achieve data transmission without occupying the CPU. 2. Mode: There are three tran...[Details]
The circuit shown in the figure requires that the light is off when the machine is turned on. Press the button once, and the light D1 will turn on and automatically turn off after a delay of 10 secon...[Details]
Title: Use two dynamic digital tubes to display from 0 to 60, output from the P1 port of 89C51, without adding a decoder, and directly connect the digital tubes. Note that they are dynamic digital tu...[Details]
On November 1, 2017, the General Administration of Quality Supervision, Inspection and Quarantine and the Standardization Administration of China announced 585 approved national standards and two n...[Details]
"Now I can't even afford a
memory
stick
to equip my computer
." The price of
memory
sticks has risen rapidly recently. Take 8GB Kingston
memory sticks
as an example. Compared...[Details]
Analog electronics
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