DIY LM338K 3A Step Down Power Supply Module Kits for Arduino Raspberry pi MT

Maximum current: 3A. 338K Heat sink x1. Input and output the minimum differential pressure: 3V. Circuit board size: 9.6 5.8cm. 3MM nut x20. DC output:1.2-30V. DC input: 3-35V. AC input: 1-25V.

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