.H file is as follows: class TIM { public: TIM(TIM_TypeDef *TIMx); void begin(uint32_t frq); //frq is the interrupt frequency, the value is 1-1000000 void attach_interrupt(void(*callback)(void)); //in...
I recently downloaded a project generated by Rapid IoT Studio online IDE to the development board. It runs out of power after a short time after it is fully charged. Today I removed the outer shell an...
I have been engaged in the research and development of automotive products for many years, mainly engaged in aftermarket anti-theft devices, keyless, PEPS (PKE) smart one-button start and other produc...
[i=s] This post was last edited by jj1989 on 2018-11-29 19:43 [/i] [size=4][md]## Preface I have been following this board for a long time, and now I have it ready for evaluation. As Nordic's most adv...
1 Introduction
Digital signal processing technology provides engineers with great flexibility in developing special analog and mixed-signal applications. However, this increased flexibility...[Details]
LM308 is a precision operational amplifier with sufficient power supply rejection for unregulated power supplies. Its operating temperature range is 0~+70°C. Its error is smaller when working under 1...[Details]
The research design utilizes the principle that photosensors are sensitive to light signals in a specific wavelength range, combines a four-quadrant photoelectric position detector with an MSP430 s...[Details]
“Hey Google, take me to Google I/O 2019 at Shoreline Amphitheatre.” Ready to go - set up - go. The Android-based in-car infotainment system is now available, with built-in Google Assistant, Google...[Details]
1 Introduction
In recent years, the application of LED display screens has developed rapidly, promoting the progress of LED driver ICs. Based on the high reliability of LEDs and the consistenc...[Details]
(1) The surface roughness of the workpiece is too large, resulting in poor coupling between the probe and the contact surface, low reflected echo, or even no echo signal can be received. For in-servic...[Details]
introduce: Universal Asynchronous Receiver/Transmitter (UART). It is used to transmit serial data. When sending data, the CPU writes parallel data into the UART, and the UART sends it serially on a...[Details]
According to BusinessKorea, Samsung Advanced Institute of Technology (SAIT) has recently removed autonomous driving from its research projects and will prioritize
research in
robotics
and ot...[Details]
Hyundai Motor Group announced it will spend $5.5 billion to build a massive electric vehicle factory near Savannah, Georgia, which will employ thousands of people. The governor of Georg...[Details]
With the continuous development of electronic technology, computer application technology and EDA technology, the development of digital systems using FPGA has been widely used in the fields of com...[Details]
First, assume that the channel is flat within a time-frequency resource unit, the fading between different units obeys independent Rayleigh distribution, and the fading between units of different ...[Details]
Recently, the famous American new media Quartz published an article by Kai-Fu Lee (Weibo), in which he explained his views on the hot AI and robots . In Lee's opinion, the so-called emotional robot...[Details]
On February 6, Shenzhen Absen Optoelectronics Co., Ltd. (hereinafter referred to as "Absen") issued an announcement stating that the company's wholly-owned subsidiary Shenzhen Absen Investment Co.,...[Details]
When measuring the insulation value of a 10kV transformer using a ZC series portable megohmmeter, there are three common misunderstandings:
Myth 1:
The rated voltage of the megohmmeter is not comp...[Details]
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