ElephantEdge¶
current availability: catalog
Extra-large collar tracker for elephants; RangerEdge electronics plus a dedicated battery pack board. ElephantFree adds Iridium.
Typical use: elephant tracking.
Variants: ElephantEdge; ElephantFree (Iridium).
Specifications¶
| Positioning | u-blox GNSS, LR11xx GNSS, Wi-Fi scan, BLE scan |
| Connectivity | LoRaWAN, BLE, Iridium (ElephantFree) |
| Sensors | accelerometer, temperature, microphone |
| Power | primary / 16x Saft LS17500 / 57.6 Ah |
| Dimensions | 165 x 100 x 79 mm |
| Weight | 1560 g |
| Enclosure | POM with aluminium lid |
Firmware¶
| Firmware board | rangeredge_nrf52840 |
| Tracker type | elephantedge_tracker (value 2) |
| Hardware revisions supported | 1.4.0-1.5.0, 1.6.0, 1.7.0, 1.8.0-1.13.0 |
| Latest firmware | v8.0.1 (2026-09-24) |
Runs the shared OpenCollar Edge firmware; see supported hardware for revision groups and the releases page for downloads.
Based on RangerEdge.
Repositories¶
- Documentation, BOM and assembly: ElephantEdge: documentation, BOM, assembly
- Electronics: RangerEdge electronics (rangeredge_nrf52840) (latest: V1.13.1 (2025-12-05))
- Electronics: ElephantEdge battery pack electronics (latest: V3.2.0 (2024-07-19))
- Mechanics: ElephantEdge mechanics (latest: v1.0.0 (2024-07-19))
Tools¶
- Configure and update: Smart Parks Connect ShortRange (BLE web app), Smart Parks Connect App (Android)
- Decode data: Raw logs decoder
External links¶
Note
Started as the Hackster.io ElephantEdge challenge (2020).