Contents
1. Introduction...................................................................................................................................................... 4
2. Orderable Part Numbers ..................................................................................................................................5
3. Additional Resources .........................................................................................................................................5
4. Feature Callouts ................................................................................................................................................6
4.1. Feature Callouts | Connectors / Interfaces...................................................................................................6
4.2. Feature Callouts | Key Board Components (Top) ..........................................................................................7
4.3. Feature Callouts | Key Board Components (Bottom) ......................................................................................8
5. Block Diagram ....................................................................................................................................................9
6. Device Specifications ........................................................................................................................................10
7. Chronos Module................................................................................................................................................ 11
8. MCU ................................................................................................................................................................... 11
9. Sensors .............................................................................................................................................................12
9.1. Sensors | 3-Axis Accelerometer (U15)..............................................................................................................12
9.2. Sensors | 6-Axis IMU (U6) ..................................................................................................................................13
9.3. Sensors | 9-Axis IMU (U7) ................................................................................................................................. 14
9.4. Sensors | Barometer / Altimeter (U8)..............................................................................................................15
9.5. Sensors | Temperature & Humidity (U14) ........................................................................................................16
10. Indicators..........................................................................................................................................................17
10.1. Indicators | RGB LED .........................................................................................................................................17
10.2. Indicators | Battery Status LEDs ..................................................................................................................17
11. Memory .............................................................................................................................................................18
12. Power ................................................................................................................................................................18
12.1. Power | Battery.................................................................................................................................................18
12.2. Power | Battery Charging ............................................................................................................................19
12.3. Power | Battery Monitor ...............................................................................................................................19
12.4. Power | USB Connector ................................................................................................................................19
12.5. Power | Battery Connector .........................................................................................................................20
12.6. Power | nRF52840 Power Control ................................................................................................................20
12.7. Power | Sensor Power Control....................................................................................................................20
12.8. Power | Chronos Power Control ..................................................................................................................21
12.9. Power | Power Tree......................................................................................................................................21
13. Programming, Debugging, & Development......................................................................................................21
14. Pinouts .............................................................................................................................................................22
14.1.MCU Pinout.......................................................................................................................................................22
14.2. Mini-Tectonic Edge™ Pinout ........................................................................................................................24
14.3. Expansion Header Pinout (J5).....................................................................................................................25
15. Antennae .........................................................................................................................................................26
15.1. Antennae | Cellular Antenna .........................................................................................................................26
15.2. Antennae | GNSS Antenna...........................................................................................................................27
16. Electrical Specifications...................................................................................................................................27
16.1. Absolute Maximum & Minimum Ratings...........................................................................................................27
16.2. Recommended Operating Conditions ........................................................................................................27
17. Mechanical Specifications................................................................................................................................28
17.1. Physical Parameters ........................................................................................................................................28
17.2. Mechanical Drawings...................................................................................................................................28