HOW to Make a Paper Airplane Launcher

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Supplies

紙箱線Arduino板板按鈕

鐵線伺服電機電阻* 2號電池橡皮筋LED燈熱熔膠

Step 1: Find a Carton

Step 2: Dig Two Hole

Step 3: Connect the Wires

Step 4: Use Arduino to Write Program

Step 5: Combine These Things

Step 6: