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icon0 battery consumption As seen before, the best trick we can use to avoid wasting energy is to use an extreme low-current microcontroller that allows us to enter sleep mode. In our case, we have used a PIC18LF14K50, which has the XLP (Extreme Low-Power) capabilities from Microchip. Furthermore, By avoiding the use of LDOs is always a piece of good advice to save some extra energy. That's why we power our microcontroller directly from the CR2032, at a rated voltage of 3.3V.
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When the PCB arrived from our great sponsor PCBWAY, the next step was to order all the components and solder them in the board to check if everything works as intended. Today we are gonna see all the processes from the PCB board to the final product. 

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