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Consumer Has A Hack For Gas Pumps So You Don’t Get A Credit Card Hold. – ‘Now you can prepay any amount you want to.’
Ceith said, “At any gas pump, just press 7, 9, and then Enter. Now you can prepay any amount you want to. This is going to prevent the gas pump from charging you any kind of hold.” He added ...
Hackaday17y
DIY SCUBA Tank Boost Pump (for Mixing Gases)
No love for that sweet old NES controller? Fine, here’s a bonus hack for you. This home-built boost pump is designed to take in a volume of gas (like oxygen) and compress it with a hydraulic ...