#include stdio.h
#define FRAME180
short int h[19] = {399,-296,-945,-1555,-1503,-285,2112,5061,7503,8450,7503,5061,2112,-285,-1503,-1555,-945,-296,399
};
static short int nBuff[FRAME + 20];
void Lowpas...
1. IntroductionDuring the debugging process of the device, you often need to check some data and operating status of the device. Use the STM32H745 development board to display the main data and status...
There are many high-frequency ultrasonic sensors for sale on the Internet, but they do not have the relevant sensor processing circuits.
How can we design this kind of circuit? The sensor doesn’t seem...
Introducing a national invention patent - a smart water meter with one card. The patent was applied by Zhengzhou Leyuan Electronic Technology Co., Ltd. and was authorized on January 9, 2018.Contents
T...
There are generally two reasons for oscilloscope waveform jitter. One is that the signal is not synchronized, which is a problem with the oscilloscope trigger setting. The other is that the signal its...
Core Tips: Photovoltaic people, Xiao Gu is calling you to inspect the inverter! Hello everyone, long time no see. As autumn and winter are coming, how to properly maintain our photovoltaic power st...[Details]
Contents The invention relates to a magnetic-inductive flow meter having a pressure-resistant housing made of plastic, comprising an inlet connection piece, an outlet connection piece and a measuring...[Details]
Schaeffler will mass-produce in-wheel motors for the first batch of customers around the world Schaeffler hub drive systems can be used in road sweepers, minivans, snowplows and other vehicles to...[Details]
On August 8, Jinlong Electromechanical announced that Guangdong Jinxingchuang Precision Technology Co., Ltd. ("Jinxingchuang"), a wholly-owned subsidiary of the company, plans to jointly invest with ...[Details]
In 2023, Robotaxi players will compete head-to-head with ADAS companies in the high-end intelligent driving market. In 2022, Robotaxi fell into a period of development setbacks. Using a set of th...[Details]
Taipei, Taiwan, June 4, 2024 -
Advantech, a global industrial IoT company, announced that it has adopted Phison's patented aiDAPTIV+ technology to provide a groundbreaking edge AI server soluti...[Details]
After four years of power market reform, the scale of my country's power market continued to expand in 2019, and different provinces also showed different development trends. Let's look back at the...[Details]
After decades of development, high-specification DC/DC converters have reached a performance peak, requiring power engineers to rethink their design approach. In fact, converters using familiar analo...[Details]
1 Introduction In today's post-PC era, embedded systems are increasingly used, and embedded products are flooding many fields. Mobile phones, MP4s, PDAs, etc. in daily life are all typical em...[Details]
Abstract: The autonomous vehicle ground automatic recognition technology uses Leobot-Edu autonomous vehicle as the test carrier, and uses DH-HV2003UC-T visual sensor to collect image information of...[Details]
When I was reading the data sheet recently, I found that there are 8 types of GPIO configurations in Cortex-M3: (1) GPIO_Mode_AIN analog input (2) GPIO_Mode_IN_FLOATING floating input (3) GPIO_Mode_...[Details]
Choosing the best operating frequency for your power supply is a complex trade-off involving size, efficiency, and cost. Generally speaking, low-frequency designs tend to be the most efficient, but...[Details]
1. Selection of Optocoupler
For optocouplers using a phototransistor, the CTR range is mostly 20% to 300% (such as 4N35), while PC817 (not recommended) is 80% to 160%, and Darlington optocouplers...[Details]
Earlier, the well-known third-party market research organization IDC released the market report on China's 5G smartphones in the third quarter. Data shows that as of September, the total shipment of ...[Details]
stm32/stm8
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