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关于“新手入门”类别
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0
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34
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October 27, 2025
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LCD1602 I2C module cannot display characters
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22
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30
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April 4, 2026
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STC major outage number cannot be used
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3
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9
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March 26, 2026
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在使用stc8a8k64d4官方库函数时遇到了问题
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2
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11
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March 21, 2026
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Power MOS/IGBT temperature rise limit query: Does Tc=100°C refer to the plastic case temperature or the metal backplate?
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2
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16
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March 12, 2026
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Encountered a mysterious error while using the stc8a8k64d4 library functions
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4
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20
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March 9, 2026
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Why does flashing AT firmware to ESP8266 show "waiting for power-on"?
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3
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67
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March 9, 2026
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Why are 24-bit audio ADCs cheap and high-sampling-rate, while general-purpose 24-bit ADCs are expensive and low-sampling-rate?
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4
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47
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March 3, 2026
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Questions regarding the use of CH442E/CH443K chips for switching USB 2.0 data signals and SWD signals
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5
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23
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March 3, 2026
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How to package Python programs into binaries on Raspberry Pi 4B?
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5
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24
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January 13, 2026
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ESP Series Chip Selection Guide and Parameter Comparison
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0
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76
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January 13, 2026
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求推荐一款谐波失真测试仪，性价比高的，想测试逆变器输出正弦波失真度（THD）
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10
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16
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January 8, 2026
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Why do motor papers mostly use DSP control and not FPGA control? STM32 is also relatively rare.
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5
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49
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December 24, 2025
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What's the Purpose of Designing the Circuit Board Like This?
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9
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78
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December 5, 2025
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电池短路对电池本身安全吗？
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4
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26
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November 12, 2025
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Just getting started with electronics, any recommended books or websites?
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1
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81
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November 12, 2025
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Ask the experts about GND partitioning issues? (Power ground, analog ground, cold ground)
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4
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59
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November 9, 2025
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Why does the Vds waveform of a flyback power supply oscillate in the latter part under DCM mode?
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3
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108
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November 4, 2025
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Questions about IGBT Double-Pulse Test Method
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2
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10
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November 3, 2025
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Seeking Recommendations: 8-Channel Unidirectional 3.3V to 5V Level Shifter Chips
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5
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14
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November 3, 2025
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Has anyone used ESP-WHO face recognition? I'm using the official example, but the SDK cannot be configured, fails to compile, and all header files are missing.
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1
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24
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November 3, 2025
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What is dB? How to calculate dBm, dBc, dBi, and dBd, and what are their differences?
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0
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87
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November 3, 2025
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How to implement Flash read protection?
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2
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16
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October 31, 2025
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