18650 2 CELL HOLDER Soldering Lead such as in timing circuits

such as in timing circuits and frequency dividers

A4988 GND → Arduino GND

water - practically anything

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18650 2 CELL HOLDER Soldering Lead such as in timing circuits18650 2 CELL HOLDER The High Quality 18650 Double Battery Holder is the perfect solution for electronic enthusiasts and DIYers. It is designed for longevity, accommodating two 18650 batteries to handle higher voltages with ease. Crafted from durable plastic, this holder ensures a secure fit and optimal performance. With easy installation, compact dimensions, and versatile compatibility, it's an ideal choice for various applications, including Arduino