What is it? Most of the new modern MCUs (microcontroller units) come with a power saving feature, usually called “deep sleep”. Your code will be executed until you call the required function, e.g....Read More…
Most of the new modern MCUs (microcontroller units) come with a power saving feature, usually called “deep sleep”. Your code will be executed until you call the required function, e.g. ESP.deepSleep(durationInMicrosecondsToSleep). In this state the MCU consumes a minimum of current - until a wake up event occurs. This can be a timer event (after durationInMicrosecondsToSleep) or an external/dedicated reset on the MCUs RST-Pin. So in many projects, you can extend the runway of your battery powered MCU using the deep sleep mode; only wake up if necessary, when a switch is closed or opened. This can be, for example, a magnetic reed switch mounted to a door/window, or a ball switch attached to the cover of your postbox.
Just connect the desired switch to the µWakeupper and it will take care about the proper MCU reset handling.
There was no simple and cheap board available in the market. The µWakeupper is the perfect extension to reduce power consumption.
Your MCU/sensor could run for months/years - based on batteries - if you add the µWakeupper to your project.
The µWakeupper is plug & play. Just connect the board to your e.g. ESP8266, and you can use your desired switch or button to wake up your MCU from deep sleep asap when the switch is closed or opened. And the button pressed events are already debounced by the µWakeupper. Two LEDs indicate which type of switch/button is active.
(The board comes fully assembled - size: 25.4mm x 25.4mm x 2.6mm)
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