Single cell box mod
thingiverse
This is my design of unregulated box mod. Parts needed: - https://www.fasttech.com/products/0/10011690/2013501-diy-spring-loaded-firing-button-for-mechanical-mod -https://www.fasttech.com/products/0/10011689/3441401-510-connector-w-solder-ring-terminal-for-e -cheap chinese voltmeter (check dimensions my is 11x23mm) - 5x5x2mm magnets - 5mm tact switch for switching woltmeter Battery holder is also 3d printed you can find it on my profile.
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