With the advent of China's 5G era, this article discusses one of the important development directions: narrowband Internet of Things applications (Cat-M/NB-IoT). From the perspective of RF devices, th...
JPG format images can be displayed on the GEC6818 development platformI. Task: Display RGB color LCD screen -- For example: Fill the LCD with purple.1. Analysis of technical points1) Understand the co...
It's a Friday evening and you decide to make fish tacos, so you pop into your local supermarket on your way home from get off work. It only takes a few minutes to find the cilantro, or, more accuratel...
Sampling Theorem-------------What is the relationship between the detected signal and the ADC sampling rate?
Since the frequency of the electrical signal of the pelvic floor muscles is between 20Hz an...
The LIN 2.1 standard states that each slave node must be ready to receive commands (frame headers) from the host within 100ms from the end of the dominant pulse of the wake-up signal. However, in real...
In recent years, the DMS industry has developed strongly. In the field of commercial vehicles, driven by domestic policies, the DMS configuration rate is growing rapidly; in the field of personal pas...[Details]
ROHM develops operational amplifier "BD8758xYx-C" that achieves excellent performance in four types of noise immunity tests
The EMARMOUR™ Series has the strongest anti-interference...[Details]
The global crisis is coming again, not real estate, not finance, but semiconductors. Is this crisis another technological crisis following the "Y2K" crisis in 2000? According to data released by th...[Details]
As a high-power composite device, IGBT may be locked and damaged when overcurrent occurs. If the gate voltage is locked at a normal speed when overcurrent occurs, the excessive current change rate wi...[Details]
The source program of the sending microcontroller is as follows: #include "ir_send.h" /*------------Initialize IO------------*/ void ir_init(void) { P2M0 = 0x80; //P2.7 strong push-pull ...[Details]
introduction In the 21st century, mankind will face major challenges in achieving sustainable economic and social development. Under the dual constraints of limited resources and environmental prote...[Details]
After unremitting efforts, I found that my mistake was that I didn't know that the ADC interrupt has two sub-interrupts. The ADC interrupt of 2440 includes INT_ADC_S and INT_TC. You need to process t...[Details]
This morning, Tianfeng International analyst Ming-Chi Kuo released a report saying that the LTCC (Low Temperature Co-fired Ceramic) usage of Wi-Fi 6E is generally 2-3 times more than previous Wi...[Details]
Musk recently visited China, and the reception was unusual. He visited the Ministry of Industry and Information Technology to discuss "the development of new energy vehicles and intelligent connected...[Details]
The common control methods for voice chips are:
MP3 control mode, key control mode, 3×8 key combination control mode, parallel port control mode, one-line serial port control mode, three-line ...[Details]
introduction
Cortex
-M3 is ARM's first microcontroller core based on ARMv7-M. It is very different from ARM7 in terms of instruction execution, exception control, clock management, trace d...[Details]
The WITTE Digital flinkey BLE has been designed by Mercedes-Benz as a smart actuator for operating a vehicle key with central locking function and thus locking or unlocking the vehicle. Owners can ...[Details]
Introduction
With the development of microprocessor technology, microprocessors are constantly upgraded, the processing speed of the core is getting faster and faster, and the problem of accura...[Details]
Parallel programming is the earliest programming method with the most powerful functions, but it requires more pins to be connected and usually requires a high voltage of 12V~24V. To distinguish it...[Details]
The turn-off switch tube on each bridge arm of the three-phase multi-switch Boost rectifier circuit is equipped with an anti-parallel diode, which can realize the bidirectional flow of energy. This b...[Details]
RF/Wirelessly
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