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Samsung Electronics Vice Chairman Lee Jae-yong made his second business trip to India this year to inspect the local business situation and meet with local business executives. According to South K...[Details]
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This program is written based on the 51i MCU development board. If you need to transplant it to your own circuit, just modify the corresponding port.
/**
*****************************************...[Details]
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Deafness
Hearing aid
The circuit is shown in the figure. It is essentially a multi-stage audio amplifier composed of transistors VT1~VT3. VT1 and peripheral resistors and capacitors f...[Details]
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Overview The 51 single-chip simple calculator with LCD display can realize the addition, subtraction, multiplication and division of two numbers in the range of 0 to 255. The subtraction can display ...[Details]
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I searched a lot online, but still couldn't find the reason. I have thought of everything I can think of, mainly including the following points: 1. Replace the MCU chip (the problem was not solve...[Details]
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The moisture meter is a new type of rapid moisture detection instrument. Its annular halogen heater ensures that the sample is evenly heated during the high temperature test, making the sample surf...[Details]
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Is it feasible to use AC contactor to realize automatic switching between inverter and mains ? The inverter is high frequency 3000w. It is unreliable to use two AC contactors for interlocking to real...[Details]
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Mouser and STMicroelectronics Launch New Resource Website Helping Transportation Prototyping with Diverse Content June 17, 2021 – Mouser Electronics, an electronic component distributor focused on...[Details]
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Today, a friend who uses a Microsonic oscilloscope asked me what does it mean when there is a channel isolation in the oscilloscope parameter table, which is greater than or equal to 40 decibels. So ...[Details]
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Today I tested the PWM wave output of the TIM timer of stm32F407 and learned about its configuration process. The main points are as follows:
1. Enabling the multiplexing function of GPIO refers to 1...[Details]
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Smart car power supply: 7.2V, 2A/h rechargeable nickel-cadmium battery. 1 The output current is limited to about 1A, and the TPS7350 has only a 35mV dropout voltage at 100mA. 2 To ensure that ...[Details]
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1 Introduction As the monitoring site expands and the number of probes increases, the image display system at the monitoring end often needs to receive external data and display the relevant informat...[Details]
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Recently, Shi Kan, CEO of Cognitive Group, was invited to attend the 2020 Tencent Advertising Tech Vision Marketing Technology Conference and delivered a speech entitled "Data-based Applications unde...[Details]
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Headphones and earphones are electroacoustic conversion devices and belong to personal audio. In real life, earphones can be seen everywhere. At home, outdoors, etc., earphones are indispensable. ...[Details]
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On November 4, Sichuan Provincial Party Committee Standing Committee Member and Vice Governor Pubu Dunzhu visited Desheng Vanadium Titanium Company to investigate production and operation and emplo...[Details]