Functional Overview:Implement a 4x4 key matrix. Through key scanning, when a key is pressed, identify the key value, send it through the UART serial port, and display it on the LCD1602.
功能实现：
1. 按键扫描
...
1. Use USB to convert to RS-232 (TLL level) directly on the hardware. Connect TX to PA10. Connect RX to PA9
2.main.c initialization
int main(void)
{uint8_t *test="turn off LED1";uint8_t *test1="turn o...
The circuit is composed of VT1, VT2, capacitors C2, C3, resistors R1, R2, R3, R4, etc., which together form an oscillation circuit. The oscillation frequency is controlled by R6, one end of which is c...
[i=s]This post was last edited by Tristan_C on 2022-7-27 09:59[/i]First of all, I would like to thank eeworld and digi-key for giving me the opportunity to take the time to participate in this event.
...
I'll run the demo program first.Create a Bluetooth-SoC Blinky demo project, click createAfter selecting the project save path, click FINISHYou can follow the readme .
CompileCompile normally and downl...
In the past, car airbags were installed inside the car. TRW Automotive Safety Technologies is developing an external airbag that is installed on the side of the car. It uses cameras and radar ...[Details]
On the evening of October 28, smartphone brand Redmi held a new product launch conference for the Redmi Note 11 series, releasing three new mobile phones: Note 11 5G, Note 11 Pro, and Note 11 Pr...[Details]
When Leo Liu left China to study abroad about three years ago, semiconductors occupied only a sleepy corner of the country’s tech industry. Liu chose to study chip design because he was fascinated by...[Details]
When the serial port mode of the 51 single-chip microcomputer is in mode 2 or mode 3, it is a 9-bit communication mode, that is, when the 9th bit of the serial data is "1", the first 8 bits of data in...[Details]
In unmanned substations, offices, and household appliances, there are many facilities that need to be remotely operated and controlled to achieve power-on and power-off functions, thereby improving e...[Details]
At present, the LED fluorescent lighting market is relatively active, and LED driver power supply manufacturers are mainly divided into three categories: the first category is the factory that...[Details]
At present, gas detection has a wide range of applications in many fields of actual production and life. It is not only applicable to industrial sites such as petroleum, chemical industry, and met...[Details]
PROTEUS simulation circuit diagram: Circuit diagram principle: Use 74LS138 decoder to control the cathode port of the dot matrix, and P2 port controls the anode port, which is also the font code in...[Details]
Nowadays, cardiovascular diseases have become one of the major diseases that threaten human health, and clear and effective electrocardiograms provide a basis for diagnosing such diseases. The electro...[Details]
introduction
An inverter is a device that uses power electronics technology to convert electrical energy. With the development of power electronics technology, inverters are increasingly used, b...[Details]
A research report released by GF Securities Co., Ltd. recently revealed that among the world's top ten lithium battery companies, two are from Japan, two are from South Korea, and the rest are all ...[Details]
The intelligent thickness gauge studied in this project is a complete solution based on a single-chip microcomputer, which consists of a main controller, a measuring sensor, an AD conversion module, ...[Details]
The U.S. Federal Communications Commission (FCC) has recently submitted a new document for "Lenovo VR3030S". According to the document, Lenovo is about to launch its first independently developed VR ...[Details]
With the rapid development of modern information technology, data collection technology is also constantly developing and plays an important role in information technology. Whether data is collected ...[Details]
Microcontroller MCU
京公网安备 11010802033920号
EEWORLD
