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Amazon.com: Seven Star 1.5V, 3V, 4.5V, 6V, 7.5V, 9V, 12V DC, 500mA Regulated Universal AC to DC Converter with Multiple Connector Ends : Automotive
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Switching Split Power Supply ± 12V 500mA Split Supply : ID 2591 : $14.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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12V AC to 12V DC Converter, IP67 Waterproof, 12 Volt AC to DC Rectifier, Low Voltage Transformer 12 Volt AC to 12 Volt DC Rectifier Outdoor 12V AC/DC LED Power Supply - Amazon.com
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