Programmer Humor

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Sleep() at home (programming.dev)

submitted 9 months ago by [email protected] to c/[email protected]

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[–] [email protected] 4 points 9 months ago (1 children)

Microcontrollers run 100% of the time even while sleeping.

[–] [email protected] 4 points 9 months ago (1 children)

Nah, some MCUs have low power modes.
ESP32 has 5 of them, from disabling fancy features, throttling the clock, even delegating to an ultra low power coprocessor, or just going to sleep until a pin wakes it up again. It can go from 240mA to 150uA and still process things, or sleep for only 5uA.

[–] [email protected] 3 points 9 months ago* (last edited 9 months ago)

Nah, Sleeping != Low power mode. The now obsolete ATmega328 has a low power mode.