Some time ago, I completed the realization of basic functions and drew a PCB. It's a lousy level. It can be connected to a base PCB. I don't know how to connect various modules. I only have modules in...
After several tests, I have been driving the OLED through SPI and I2C. As a result, I encountered many problems in the I2C drive and it has not lit up yet.
I came across a post by chance, which simula...
Hello everyone, I would like to ask, can 430 drive the true color TFT LCD screen commonly used on ARM development boards? Is there any speed limit? Thank you...
I want to use a 14-bit 100mad, IS61LV12816L device to make a high-speed acquisition board. After collecting 1k data, I will transfer the collected data to the computer through the serial port or USB f...
Every time I send a text message, a "SMS sent" prompt message always pops up. This seems to be a dialog box. How can I call it in my own program? Thank you...
In the past few days, the Chinese display panel giant
BOE
has been flooded with articles supported by Liu Shuwei. Let's follow the embedded editor to learn about the relevant content.
...[Details]
Unique device identifiers are suitable for: ● Used as a serial number (e.g. USB string serial number or other terminal applications) ● Use the unique ID as a security key when used in conjunction wit...[Details]
When Amazon launched its first
cloud computing
service, the outside world was not optimistic about this direction, as it had high investment, low profits and many uncertainties. Let's follo...[Details]
This is my first time writing an STM32 program. I have many questions to ask. I want to convert the data of the SO of MAX6675 into the actual temperature and read it out using the serial port tool. I...[Details]
1. Basic Concepts of LCD/LCM The structure of Liquid Crystal Display (LCD) is to place liquid crystals between two parallel pieces of glass. There are many vertical and horizontal fine wires between...[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]
In order to strengthen the traceability management of recycling and utilization of power batteries for new energy vehicles, and to standardize and guide all relevant parties to fulfill their tracea...[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]
How to convert the pin voltage value into V using the built-in ADC of STM32? V(ADC) = Value(ADC) * V(ref)/4096 (The ADC of STM32 is 12 bits, so the maximum value of the AD word is 4096)
Where V(ADC...[Details]
/*----------------------------------------------- Name: IIC protocol PCF8591 AD/DA conversion Content: Use DA input, digital tube display output digital quantity, LED display analog voltage size ...[Details]
The single-chip microcomputer running light program requires all 32 serial ports to be used, and each serial port has eight LEDs. Question supplement: The 8051 single-chip microcomputer is used, an...[Details]
A simple experimental programming question for the microcontroller: write a 3-byte binary addition subroutine. The program entry is: addend 1: 22H, 21H, 20H three bytes, 22H is the highest bit; adden...[Details]
Try to design a subroutine, whose function is to rearrange the 6 single-byte positive integers in the internal RAM pointed to by (R0) in ascending order. ;========================================== ...[Details]
//******************************************************************************/ #include msp430.h //Note: There must be a delay between two transmissions, otherwise it cannot be sent again, seria...[Details]
NXP MCU
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