Continuous technological innovation and breakthroughs have given rise to IoT systems with higher frequencies, lower latency and higher integration. In such systems, antennas and sensors, as the tentac...
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
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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.
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1. Using I/O
1.1 Using LED for visual management
This method requires extra I/O. (If possible, you can also temporarily use the I/O that implements secondary functions.)
The circuit is very simple....[Details]
This figure shows the direct-entry wiring method of DS type 5~10A three-phase three-wire active energy meter. For three-phase three-wire active energy meters above 10A, the internal wiring is differe...[Details]
The most commonly used trigger function of an oscilloscope is the edge trigger function, which is very simple and will not be introduced here. This article introduces other trigger functions that are...[Details]
Recently, there has been a lot of good news in the field of domestic smart cars. The release of the Chinese version of the autonomous driving standard and the national development strategy have becom...[Details]
The design of the new generation of LED driver ICs must break the traditional DC/DC topology design concept, such as using constant power, not using the hysteresis control buck type but using constan...[Details]
1 Introduction Microstrip antennas are increasingly used in military and civilian fields due to their low cross-section, light weight, and easy processing. In particular, with the rapid developme...[Details]
Recently, the Power Battery Innovation Alliance announced the monthly data of power batteries in December 2021. In December, the power battery production was 31.6GWh, the sales volume was 35.5GWh, an...[Details]
Akamai Technologies, Inc. (Akamai) (NASDAQ: AKAM), the intelligent edge platform for secure digital experiences, today announced that it has been recognized as a "Leader" in "The Forrester Wave™: Zer...[Details]
1 Introduction At present, with the rapid development of MEMS technology and the increasing investment of various countries in the field of microsystems, various forms of micro-energy are emerging. ...[Details]
With the development of computer, semiconductor and communication technology, the oscilloscope, which has always been a good helper for us to design and debug products, is increasingly widely used in...[Details]
Translated from - lifewire With COVID-19 keeping us at home, it’s time for robots to take over. What’s happened over the past few weeks is sounding more and more like the opening chapters of ...[Details]
South Korea’s push to become self-sufficient in high-tech chip materials began when Japan imposed tighter controls on semiconductor material exports to South Korea two years ago, shaking up supply ch...[Details]
Microcontroller execution instructions Let's think about a problem. When we write an instruction into the microcontroller in the programmer, and then remove the microcontroller, the microcontroller ...[Details]
2020 is coming to an end, and these electronic products are about to be discontinued. 95% of the progress bar of 2020 has passed. This year, too many products have become hot topics for disc...[Details]
On July 22, the China Securities Regulatory Commission approved the registration of the initial public offering of shares of Wuxi Xinpeng Microelectronics Co., Ltd. (hereinafter referred to as "Xinpe...[Details]
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