PRECISION STEREO VU-METER 2 X 15 LEDS勝負搶答機 QUIZ TABLE
Last Updated: Friday, 17 May 2024 13:19
電池盒模組 |
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電池盒模組
為兩節AA電池盒,可以調節輸出電壓的正負極性,電壓3V或負3V。
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