Recently while we developed official Ruuvi Firmware we noticed something interesting: the battery voltage has significant voltage droop on...

In this part of the tutorial we’ll setup a watchdog timer to reset our tag if the program “freezes”....

In this part of the tutorial we’ll use interrupts to detect movement of the tag as well as to...

In this part of the tutorial we’ll synchronize the battery voltage measurement to radio transmissions. Final code of this...

In this part of the tutorial we’ll add support for timing the tasks and scheduling tasks to be executed...

In this part of the tutorial we’ll add support for timing the tasks and scheduling tasks to be executed...

In this part of the tutorial we’ll add Near-Field Communication (NFC) read functionality to the tag, i.e RuuviTag is...

In this part of the tutorial we’ll add Bluetooth broadcast functionality. We also start defining interfaces for communication interfaces...

In this part of the tutorial we’ll add support for the Real Time Clock (RTC) on nRF52832. Final code...

In this part of the tutorial we’ll add a simple battery measurement with the internal Analog-to-Digital Converter (ADC) of...

In this part of the tutorial we’ll build on part 5 of the tutorial and add support for the...

In this part of the tutorial we’ll develop a sensor interface which can use any backend to read sensor...