LM386 is a power amplifier integrated circuit designed for low-loss power supply. Its built-in gain is 20, and through the combination of capacitors between pin 1 and pin 8, the gain can reach up to 2...
I am going to do two experiments in IO operation
(1)Use the IO port to light up the LED , which means that the IO output is low level (note that the cathode of the LED on the board is connected to the...
I would like to ask everyone, when we are doing a project, why do the main indicators look at frequency, impedance, etc.? I just want to ask why we need to measure these indicators, what are the uses ...
At the end of 2016, I entered college as a teacher and continued to do the work I like. This year, I failed repeatedly in project applications from national to provincial to school levels, but to no a...
1. Function prototype In the function library officially provided by STM32, you can find functions like HAL_Delay(). This function uses a timer to achieve a more accurate time delay and provides it...[Details]
When the domestic discussion about "ZTE being banned" was hot, Alibaba officially announced the acquisition of chip supplier
Zhongtianwei
, but the investment amount was not disclosed. At t...[Details]
Chip: STM32F103C8T6 Application Pin: Output: PA0, PA1 TIM2 CH2 channel To achieve 50HZ (20ms) adjustable PWM output on the PA1 pin, set the system TIMx_CNT=8MHZ=8000 000HZ, set TIMx_PSC=800-1, then T...[Details]
In the development of artificial intelligence, talent reserve is undoubtedly an important part. Artificial intelligence should be a bottom-level technology that can be deeply embedded in any indust...[Details]
Our photovoltaic power station starts working at 5:30 in the morning. When you are still sleeping, the inverter starts working to make money!
Some people are skeptical. The sun hasn't even...[Details]
From concept proposal, prototype exploration, technology accumulation to product iteration and industrial development,
VR
has gradually expanded from the military market to the consumer market...[Details]
At the beginning of the new year of 2018, after the release of the national photovoltaic policy, we found that the state’s support for village-level poverty alleviation power stations has not weake...[Details]
With the development of information technology, intelligence, informatization and networking have become the development trend of modern industrial control. Since the 1980s, the rapid development...[Details]
Kevin Jensen ams Semiconductor
Sensors
and lighting expert. Let's learn more about the relevant content with the network communication editor.
Everything is becoming "smart" these ...[Details]
With the development of the automobile industry, more and more automotive electronic components are being used in modern cars, providing better safety, comfort and economy for cars. In the past, cars...[Details]
Similar to the development trend of photovoltaic modules, photovoltaic inverters are also one of the examples of China's successful localization of manufacturing and leading the global market and tech...[Details]
1) ADC multi-channel acquisition: (Multi-channel acquisition must use scanning mode. In scanning mode, the channels of the rule group share a register, so DMA transmission must be used; to prevent da...[Details]
DMA： 1. When using DAC, when the converted analog signal is output through the IO port, why is the IO port also configured to input mode? PS: The stm32 manual defines that PA4 and PA5 are connected...[Details]
****************************************************************** 1. The operand is in register, R0--R7 2. Operands are in internal RAM 3. Operands are in external RAM But they are all similar. For ...[Details]
Title: Use the table lookup method to convert a hexadecimal number into ASCII code. The input parameter is placed in the internal RAM 50H, and the output parameter is in R0. Requirements: Complete th...[Details]
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