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关于“技术讨论”类别
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0
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60
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October 26, 2025
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How to Choose PCB Surface Finishes: OSP, HASL, and ENIG Explained
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0
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13
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September 8, 2026
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New S32K144 cannot be programmed
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3
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67
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September 4, 2026
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Follow-up on yesterday’s S32K144 reset pin issue
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8
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80
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August 14, 2026
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S32K144 reset pin issue
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9
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106
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August 5, 2026
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How are the overcurrent protection of digital power supplies and the hardware of constant-current circuits implemented?
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6
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155
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July 31, 2026
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Why do MPPT products usually have two inductors?
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4
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85
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July 31, 2026
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Experts, question about using this UCC21520 half-bridge module to build a Boost circuit
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22
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260
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July 30, 2026
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In a bidirectional BUCK-BOOST, the MCU auxiliary power supply is contaminating the current sampling—how can I eliminate its impact on power calculations?
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8
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117
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July 30, 2026
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What is the purpose of the TVS on the COMP pin of a flyback power supply?
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2
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85
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July 23, 2026
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We don't lack onlookers, we lack people to build rock-solid AI systems with us
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0
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49
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June 29, 2026
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Question: Does exposing the flyback MOSFET drain trace and adding solder to thicken it significantly affect radiated EMI?
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6
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167
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June 12, 2026
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Hey guys, I built a single-port Type-C fast charging module based on the SW3538 chip. The VDD pin works fine after powering on, but plugged-in devices aren't recognized and it won't charge.
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18
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433
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May 12, 2026
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Operational Amplifier (Op-Amp) Beginner's Guide: From Principles to Practice
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0
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248
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April 28, 2026
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Getting Started with Raspberry Pi GPIO: From Beginner to Practice
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0
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120
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April 27, 2026
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Let's discuss: Are you still choosing STM32 for small batch projects now, or has everyone switched to domestic alternatives?
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5
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301
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April 21, 2026
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DC-DC Buck Circuit SW Node Ringing Too Severe, RC Snubber Circuit Still Can't Suppress It!
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5
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265
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April 21, 2026
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How to convert a triangle wave into a square wave and invert it using a comparator with hysteresis?
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2
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146
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April 21, 2026
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Which MCU is suitable for capacitive proximity sensing?
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4
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194
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April 7, 2026
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Some issues in BUCK-BOOST circuit design
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7
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243
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April 3, 2026
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Differential op-amp circuit: Do you know what this 1V does?
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2
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134
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March 27, 2026
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STM32 ADC readings from AD8307 output voltage are inaccurate, but measurements of the STM32 board's own output voltage are accurate
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4
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184
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March 21, 2026
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Why can't I publish messages in MQTTX after reconnecting? I've subscribed to a topic and successfully connected, but no messages are being sent or recorded.
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5
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200
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March 18, 2026
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Taming Control Systems: A Beginner's Complete Guide to Poles and Zeros
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2
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109
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March 17, 2026
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Beginner learning to design LDO buck circuit, unsure if the design is correct and reliable, seeking advice from experts
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13
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453
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March 17, 2026
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How to choose the appropriate inductance value?
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4
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197
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March 16, 2026
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Digital Power Supply Project - Questions about PID Code
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2
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122
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March 16, 2026
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Questions about using the UCC21520 gate driver—STM32G474-based adjustable DCDC power supply (Buck-Boost)
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5
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246
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March 11, 2026
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How to Customize the Boot Screen for Raspberry Pi 5
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0
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93
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March 10, 2026
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Understanding ADC from Scratch: A Complete Guide to Analog-to-Digital Converter Core Specifications and Performance Terminology
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0
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150
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March 5, 2026
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