HP Calculator Replacement Battery Pack
This project required a gold-flashed PCB in order to provide proper contact mating with vintage Hewlett Packard calculators. The ENIG treatment worked perfectly for this application. This is my second PCB from PCBWay, and again I am very pleased with the quality, speed, and value of PCBWay. I will certainly order more PCB from PCBWay!


Jan 15,2021
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