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Drive relay by digital circuit | Eleccircuit.com
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日期：2026-04-24
2014年2月2日 - But it is low current, so use a transistor to switch high current to drive ... On Figure 2 is the drive relay circuit that the coil need current about ... Therefore, resistor-R was calculated by using the 720 ohms or 750 ohms instead....看更多
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