Debugging Ceedling unit tests with LLDB /GDB
I’m a big fan of unit tests when developing APIs such as Ruuvi data encoding and decoding functions. The...
Ruuvi Software Articles
Ruuvi software projects are open source. If you’re a business customer or a maker, that’s a big deal. If you’d for example like to modify behaviour of the sensors, that’s possible!
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Ruuvi Station 0.4 for iOS: Welcoming Charts
iOS has known limitations for listening to Bluetooth advertisements in background. That’s why we didn’t ship charts feature in...
Tutorial: iOS RuuviTag listener
New version of BTKit (0.1.8) was released with connectable firmware support. This tutorial uses previous version of BTKit (0.0.21),...
Bluetooth Beacon Density Maximum
How many beacons I can have in one place? Every now and then someone asks how many RuuviTag Bluetooth...
Motor Vibration Monitoring with Bluetooth Sensor RuuviTag – Part 2
A while ago we made a blog post about monitoring motor operation with RuuviTags. The firmware built then had...
Motor Vibration Monitoring with Bluetooth Sensor RuuviTag
What we’re looking for? A lot of people ask us for some more advanced uses for accelerometer onboard RuuviTag....
Ruuvi Firmware – Part 17: NFC Writes
In this part of the tutorial we’ll add Near Field Communication (NFC) writing from smartphone to RuuviTag. Final code...
Ruuvi Firmware – Part 16: BLE GATT Connection
In this part of the tutorial we’ll add Generic Attributes (GATT) profile to our project. Final code of this...
Custom Ruuvi Data Format in a Day
Recently while we developed official Ruuvi Firmware we noticed something interesting: the battery voltage has significant voltage droop on...
Ruuvi Firmware – Part 15: Watchdog
In this part of the tutorial we’ll setup a watchdog timer to reset our tag if the program “freezes”....
Ruuvi Firmware – Part 14: Accelerometer Interrupt
In this part of the tutorial we’ll use interrupts to detect movement of the tag as well as to...
Ruuvi Firmware – Part 13: Battery Measurement Synchronized to Radio
In this part of the tutorial we’ll synchronize the battery voltage measurement to radio transmissions. Final code of this...
