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20 Pcs 6mm 2 Pin Momentary Tactile Tact Push Button Switch Through Hole Breadboard Friendly for Panel PCB: Amazon.com: Industrial & Scientific
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Amazon.com: MakerSpot 6mm 2 Pin Panel PCB Momentary Tactile Tact Push Button Switch Through Hole Breadboard Friendly x 10 Pack : Industrial & Scientific
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breadboard - Why isn't this single pushbutton on/off circuit working? - Electrical Engineering Stack Exchange
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