Questions

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  The program cannot be programmed using ULINK. After pressing the DEBUG key, the voltage of the reset pin of the microcontroller changes from 3.3V to 2.8V. I do not know why. MCU

  December 17, 2020 by Gabriel 136
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  K60 MCU failed to download the program with Jlink, keil5 prompt: flash download failed cortex-M4. MCU

  December 11, 2020 by Prudence 138
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  Analyze this control relay circuit. Darlington tube

  November 27, 2020 by Morris 145
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  How can STM32 Nucleo use the Mini USB port on the board to supply power without plugging it into the computer? STM32

  November 27, 2020 by Beyonce 154
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  The method of STM32 measuring high frequency 100K-120K with input capture has a large error. MCU

  November 27, 2020 by Colbie 230
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  What should I do if the success rate of STM32F103 SW interface burning program is low? STM32F103

  November 27, 2020 by Yuri 157
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  The programming is successful. The power-on pin is all high and the program does not run at all. MCU

  November 27, 2020 by Hakeem 152
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  The if statement encountered during C language debugging is invalid, but it can be executed. MCU

  November 25, 2020 by Deja 158
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  5V needs to supply power to the wifi module, do you have any good ideas? TPS54331

  November 18, 2020 by Raya 145
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  What is the slow start of the micro-controller? MCU

  October 15, 2020 by Gabriel 173
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  I have designed a simple and efficient zero-point acquisition circuit, and everyone gives me some suggestions. MCU

  September 24, 2020 by Alma 206
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  How to design an effective ultra-low power sensor controller? Test measurement

  September 24, 2020 by Alonzo 182
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  NUC505 floating point calculation is too slow. NUC505

  September 24, 2020 by Neil 204
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  Can SQ015L be developed in C? SQ015L

  September 18, 2020 by Jaylon 181
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  MOS tube switching circuit, the conduction of the tube will cause the MCU to trigger an interrupt? MOS tube

  September 18, 2020 by Jaydon 210
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  Ads1115 adopts voltage divider resistance to measure the input value and the reading jumps. MCU

  September 18, 2020 by Jerry 221
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  How to use allegro's motor driver chip A3950? Allegro

  September 18, 2020 by David 194
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  Questions about the low power consumption and display of the microcontroller? MCU

  September 9, 2020 by Adi 230
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  Help everyone: I designed the microphone to make the sound very loud, but the sound of recording and playback is very small. pcb design

  August 20, 2020 by Mason 214
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  How to realize the dynamic scanning of the three primary color lights without cross light phenomenon? LED

  July 8, 2020 by Romario 306