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How should I interpret the circuit here? The gate and drain are shorted together. Since the I/O port of the microcontroller can only withstand 0 to 5 V, the output signal needs to be pulled to12 V so ...
I use a brushless sensorless motor board. The motor starts to rotate fine at first, but after accelerating to a certain degree, the motor vibrates violently and the speed cannot be increased. What is ...
In 430, one clock cycle = the inverse of the MCLK crystal oscillator. If MCLK is 8M, then one clock cycle is 1/8us;one machine cycle = one clock cycle, that is, each action of 430 can complete a basic...
In order to stably and accurately discharge the various organ secretions accumulated in the abdominal cavity of patients after surgery, a negative pressure aspirator based on an embedded system i...[Details]
There are a large number of stepper motor applications in industrial sites, such as automation control, robot joints, printer control, etc. Among them, the most widely used is the hybrid stepper mo...[Details]
Abstract: A new power supply topology for
LED
display
module
is designed
. After filtering, rectification and PFC correction, the 220 V/50 Hz (or 110 V/60 HZ) AC power generates a 400 V v...[Details]
Nvidia CEO Jensen Huang said on Thursday that Nvidia will invest at least $100 million to build a supercomputer in the UK. Huang Renxun said at the Six Five Summit event that Nvidia will invest "$100...[Details]
Recently at the Amazfit 2021 Global Annual New Product Launch Conference, Huami Technology released a number of smart wearable products. Among them, the Amazfit GTR 3 and other series of smart watche...[Details]
A digital water temperature control valve based on PIC16C71 single chip microcomputer is designed. The control valve uses NTC thermistor as temperature sensor, and a simple voltage divider circuit is...[Details]
Abstract: Aiming at the defects of high power consumption and inflexible use of current power battery management system, a power battery management system based on single chip microcomputer CC430F5...[Details]
The measurement and control of the output current of the ground vehicle power system (hereinafter referred to as the power system) directly determines the stability and reliability of the power sys...[Details]
On April 12, Zouping City shared energy storage power station demonstration project held a project signing ceremony, which means that the project has officially settled in Mingji Town. It is understoo...[Details]
Microchip releases high-precision voltage reference IC with extremely low drift for automotive applications with extended operating temperature range
New devices complete Vref produc...[Details]
1. STM32 clock system In STM32, there are 5 clock sources, namely HSI, HSE, LSI, LSE, PLL (1) HSI is a high-speed internal clock, RC oscillator, with a frequency of 8MHz; (2) HSE is a high-speed exte...[Details]
Recently, there have been rumors that Huawei will sell its server business, mainly selling the server business using Intel's X86 architecture, while retaining the server business using the ARM archit...[Details]
Market research firm IDC recently released the report "Impact of Coronavirus on Global Semiconductor Market Forecast", making new forecasts for the semiconductor market under the epidemic. IDC predic...[Details]
An efficient and cost-effective method is provided to control LED lamps.
In the traditional method, a dedicated pulse width modulation (PWM) controller is provided for each LED to control the o...[Details]
Recently, the Dongguan Municipal Development and Reform Bureau issued the "Notice on Organizing the 2024 Dongguan New Energy Storage Demonstration Application and Public Service Platform Certificat...[Details]
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