5V 1.5A Linear Voltage Regulator - 7805 TO-220 : ID 2164 : $0.75 : Adafruit Industries, Unique & fun DIY electronics and kits
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Amazon.com: Voltage Regulator, 10Pcs/Lot L7805 LM7805 7805 Voltage Regulator Output 5V 1.5A, Linear Positive Fixed, Through Hole Mounted, Fit for Regulated Power Supply & Limiting Circuit : Electronics
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