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A STM32 Microcontroller (the one used in this prototype is STM32F2027 discovery kit)
A 4.2V Lithium battery (must not be wielded)
A Battery Holder
Some bread boards
Resistances of 20, 100K ohms and such.
An external load (the one used is DL 3031 Rigol)
Some jumper cables, wires and alligator plugs
\uD83D\uDCD8 Instructions
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