Adafruit TPL5110 Low Power Timer Breakout 2830 1 × Motor and Stepper

1 × Motor and Stepper Shield for Arduino

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On the bright side this does make for easy cleanup

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1 × LGT8F328P LQFP32 Mini EVB Expansion Board

Adafruit TPL5110 Low Power Timer Breakout 2830 1 × Motor and StepperUltra Low Power Timer TPL5110 Breakout (Adafruit) The Adafruit TPL5110 Low Power Timer Breakout is an external power timer that periodically enables your microcontroller, lets it do its job, then cuts power completely drawing only ~35 nA while sleeping. This is far lower than any microcontroller's built in sleep mode, making it ideal for battery powered data loggers, weather stations, and IoT sensors that only need to wake every few minutes or hours.