26 lines
1.2 KiB
Markdown
26 lines
1.2 KiB
Markdown
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# MiniPill LoRa Hardware version 1.x
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Please look at https://www.iot-lab.org/blog/370/ for general information on this
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project. In this this file I will share some software specific information.
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All hardware versions 1.x are supported by this software
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## Update 2021-12-18
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Updated STM32LowPower and STM32RTC due to updated STM32 framework for PlatformIO
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## Wakeup with external button instead of timed wakeup
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In this code I use the LMIC library and use a external switch with debounce circuit
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to wake up the MiniPill Lora. The LowPower library uses attachInterruptWakeup to wakeup
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on a designated pin.
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The first message on boot is always send, due to OTAA handshake. This code can be
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used with both ABP and OTAA activation.
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Messages will not be send after every press on the button. There has to be a timeout between them.
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In my experiments it took about 8 seconds for the controller to finish one button event. But due to the LoRaWAN regulations it is not advisable to send data with very little pause between them.
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When the button is pushed multiple times in a short period, only 1 message will be send.
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## Very low Power
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The power consumption is about 0.5uA when in deepSleep mode, even lower than the 1.5uA
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in timed wakeup.
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