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My first switching power supply design was a 150W DC to AC inverter for an automobile. It was 1999 and my manager walked into the lab and handed me a fancy metal box with a cigarette lighter adapter ...[Details]
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1. Design background of dairy cow estrus monitor
The design of the Cow Estrus Monitor (hereinafter referred to as the Monitor) was inspired by a study of the deviation of cow estrus activity b...[Details]
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Liu Weidong, deputy to the Hunan Provincial People's Congress, Secretary of the Party Committee and Chairman of Haili Group. Under the general trend of the world energy revolution, the energy storage ...[Details]
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1. Usage You will often see macro definition statements similar to the following, which are used to output high or low levels to the initialized IO ports. #define SET_BL_HIGH() GPIOA- BSRR=GPIO_...[Details]
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On Tuesday local time, Australian lithium miner Piedmont Lithium announced a revision of its lithium supply agreement with electric vehicle manufacturer Tesla, which may force the latter to purchase ...[Details]
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I made a minimal system for a single-chip microcomputer, and I can download the program later.
Start doing it
10K Resistor
capacitance
Weld...[Details]
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Editor's note: I have known John Dunn for many years. We have served on the IEEE Long Island NY Executive Committee together. He is an engineer and consultant with many years of experience. This arti...[Details]
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In recent days, electric vehicles from NIO, Tesla and traditional domestic car brands have frequently caught fire and spontaneous combustion. Tesla has caught fire four times in three months. On one ...[Details]
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There are several configuration modes for stm32's GPIO, including: 1. Analog input; 2. Floating input; 3. Pull-up input; 4. Pull down to input; 5. Open drain output; 6. Push-pull output; 7. Multiplex...[Details]
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It’s no exaggeration to say that connectivity is the lifeblood of all our everyday technology, and that extends to the connections inside our cars. In this blog post, though, we’re not talking about ...[Details]
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Stepper motor driver dial
A stepper motor driver is an electronic device used to control the operation of a stepper motor. It generally uses a DIP switch to set the parameters of the stepper m...[Details]
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In the production field, realizing automatic water level detection and control is a key technology of industrial process control, which is of great significance to improving the automation level of...[Details]
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It just happens to be the time for applying for the 2021 college entrance examination. As a practitioner in the industrial robot industry, I will talk in detail about the major of robotics engineerin...[Details]
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1: Floating point simulator on early ARM:
Early ARMs did not have a coprocessor, so floating-point operations were simulated by the CPU, that is, the required floating-point operations were all perfo...[Details]
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1. Why do we need DMA?
First, let's look at the serial port to transmit information: sending strings.
Send function: Add the following send function in uart.c:
Next c...[Details]