|
关于“基础问答 / Basic Q&A”类别
|
|
0
|
57
|
October 27, 2025
|
|
Is this design okay? Can I just draw the PCB now?
|
|
3
|
56
|
October 2, 2026
|
|
Questions about studying oscillator circuits and ultrasonic atomizer driver circuits
|
|
6
|
106
|
September 3, 2026
|
|
Fans, water pumps, etc. not working; don't know where the problem is
|
|
10
|
340
|
June 12, 2026
|
|
Hey experts, does a common mode choke perform better with more turns?
|
|
5
|
307
|
May 10, 2026
|
|
LCD1602 I2C module cannot display characters
|
|
23
|
575
|
April 28, 2026
|
|
Why does I2C OLDE setting at 3MHz work normally?
|
|
6
|
263
|
April 14, 2026
|
|
STC major outage number cannot be used
|
|
3
|
149
|
March 26, 2026
|
|
在使用stc8a8k64d4官方库函数时遇到了问题
|
|
2
|
144
|
March 21, 2026
|
|
Power MOS/IGBT temperature rise limit query: Does Tc=100°C refer to the plastic case temperature or the metal backplate?
|
|
2
|
140
|
March 12, 2026
|
|
Encountered a mysterious error while using the stc8a8k64d4 library functions
|
|
4
|
229
|
March 9, 2026
|
|
Why does flashing AT firmware to ESP8266 show "waiting for power-on"?
|
|
3
|
285
|
March 9, 2026
|
|
Why are 24-bit audio ADCs cheap and high-sampling-rate, while general-purpose 24-bit ADCs are expensive and low-sampling-rate?
|
|
4
|
178
|
March 3, 2026
|
|
Questions regarding the use of CH442E/CH443K chips for switching USB 2.0 data signals and SWD signals
|
|
5
|
200
|
March 3, 2026
|
|
How to package Python programs into binaries on Raspberry Pi 4B?
|
|
5
|
243
|
January 13, 2026
|
|
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）
|
|
10
|
324
|
January 8, 2026
|
|
Why do motor papers mostly use DSP control and not FPGA control? STM32 is also relatively rare.
|
|
5
|
231
|
December 24, 2025
|
|
What's the Purpose of Designing the Circuit Board Like This?
|
|
9
|
771
|
December 5, 2025
|
|
电池短路对电池本身安全吗？
|
|
4
|
233
|
November 12, 2025
|
|
Ask the experts about GND partitioning issues? (Power ground, analog ground, cold ground)
|
|
4
|
306
|
November 9, 2025
|
|
Why does the Vds waveform of a flyback power supply oscillate in the latter part under DCM mode?
|
|
3
|
361
|
November 4, 2025
|
|
Questions about IGBT Double-Pulse Test Method
|
|
2
|
159
|
November 3, 2025
|
|
Seeking Recommendations: 8-Channel Unidirectional 3.3V to 5V Level Shifter Chips
|
|
5
|
236
|
November 3, 2025
|
|
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.
|
|
1
|
137
|
November 3, 2025
|
|
What is dB? How to calculate dBm, dBc, dBi, and dBd, and what are their differences?
|
|
0
|
165
|
November 3, 2025
|
|
How to implement Flash read protection?
|
|
2
|
134
|
October 31, 2025
|