| 元件总数 | ~289 hand-authored real components across 9 categories |
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| 逻辑IC | 51 (7400 & 4000 series, e.g. 7400, 7404, 7474, 74138, 4001) |
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| 晶体管 | 46 (e.g. 2N3904, 2N2222, BC547, TIP120, 2N7000, IRLZ44N) |
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| MCU | 43 (ATmega328P, ATtiny85, RP2040, ESP32, STM32F103C8, nRF52840) |
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| 开发板 | 75 (Raspberry Pi, Arduino, NVIDIA Jetson, ESP32, Teensy, micro:bit) |
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| 二极管与稳压器 | 16 diodes (1N4148, 1N4007, 1N5819) + 16 regulators (L7805, LM317T, AMS1117-3.3) |
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| 电容编码 | 3-digit pF code: 104 = 100,000 pF = 100 nF (first 2 digits significant, 3rd is multiplier) |
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| 规格雷达 | 7 normalized 1-5 axes (performance, power, I/O, analog, connectivity, availability, ease) |
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