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Connecting a 12V relay to Arduino : Calculate how much current will flow
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日期:2025-04-30
Intro: Connecting a 12V relay to Arduino To connect a 12V relay to the Arduino you need the following things: - 1 Arduino - 1 diode for example 1N4007 - 1 NPN ... Step 2: Calculate how much current will flow The formula you need is a simple one: (maybe pe...看更多