# Latest **URL:** https://forum.leapslabs.com/latest.md [Latest](https://forum.leapslabs.com/latest.md) · [Categories](https://forum.leapslabs.com/categories.md) · [Tags](https://forum.leapslabs.com/tags.md) --- ## [Welcome to LEAPS Forum! 👋](https://forum.leapslabs.com/t/welcome-to-leaps-forum/7)
**Author:** [@system](https://forum.leapslabs.com/u/system)\ **Replies:** 0\ **Last updated:** [May 13, 2023, 6:21pm UTC](https://forum.leapslabs.com/t/welcome-to-leaps-forum/7 "2023-05-13T18:21:47Z")
We are so glad you joined us. LEAPS - Low Energy Accurate Positioning System Here are some things you can do to get started: :speaking\_head: Introduce yourself by adding your picture and information about yourself and … --- ## [Leaps\_reset over BLE doesn't cause disconnect (works fine over UART)](https://forum.leapslabs.com/t/leaps-reset-over-ble-doesnt-cause-disconnect-works-fine-over-uart/128)
**Author:** [@Trevordeanglass](https://forum.leapslabs.com/u/Trevordeanglass)\ **Replies:** 4\ **Last updated:** [September 14, 2026, 6:17am UTC](https://forum.leapslabs.com/t/leaps-reset-over-ble-doesnt-cause-disconnect-works-fine-over-uart/128 "2026-09-14T06:17:12Z")
Hi, We’ve found a reproducible discrepancy between leaps\_reset sent over BLE vs over UART/USB, on LC14\_B boards (v1.1.0-a25271). Over UART (via the shell’s tlv command): sending leaps\_reset (type 0x14, no payload) reli… --- ## [Leaps\_autopos\_start position appears cached, doesn't update after device is moved](https://forum.leapslabs.com/t/leaps-autopos-start-position-appears-cached-doesnt-update-after-device-is-moved/129)
**Author:** [@Trevordeanglass](https://forum.leapslabs.com/u/Trevordeanglass)\ **Replies:** 6\ **Last updated:** [September 11, 2026, 4:26pm UTC](https://forum.leapslabs.com/t/leaps-autopos-start-position-appears-cached-doesnt-update-after-device-is-moved/129 "2026-09-11T16:26:11Z")
We’ve discovered that a device’s absolute position (from leaps\_loc\_get’s 0x41 block) after leaps\_autopos\_start appears to be cached from its FIRST successful trigger, and does not update on subsequent triggers even aft… --- ## [Device stuck showing solid (not blinking) green LED, not advertising over BLE after cfg change + reset](https://forum.leapslabs.com/t/device-stuck-showing-solid-not-blinking-green-led-not-advertising-over-ble-after-cfg-change-reset/127)
**Author:** [@Trevordeanglass](https://forum.leapslabs.com/u/Trevordeanglass)\ **Replies:** 4\ **Last updated:** [September 9, 2026, 9:16am UTC](https://forum.leapslabs.com/t/device-stuck-showing-solid-not-blinking-green-led-not-advertising-over-ble-after-cfg-change-reset/127 "2026-09-09T09:16:38Z")
Hi, One of my LC14\_B devices (addr=DECA687912909D04) has stopped advertising over BLE after a configuration test, and I can’t get it visible to a central again. Details: • Sequence: sent leaps\_cfg\_anchor\_set with led\_e… --- ## [Exact TLV opcode/payload for leaps\_ble\_evt\_cfg\_set](https://forum.leapslabs.com/t/exact-tlv-opcode-payload-for-leaps-ble-evt-cfg-set/126)
**Author:** [@Trevordeanglass](https://forum.leapslabs.com/u/Trevordeanglass)\ **Replies:** 1\ **Last updated:** [September 7, 2026, 6:10am UTC](https://forum.leapslabs.com/t/exact-tlv-opcode-payload-for-leaps-ble-evt-cfg-set/126 "2026-09-07T06:10:41Z")
Hi, I’m building a custom app (React Native, iOS) that connects to a LEAPS UWBS device over BLE using the documented UWBS GATT service and its Request/Response/Events characteristics. I’ve successfully implemented the T… --- ## [Maximum distance between anchors](https://forum.leapslabs.com/t/maximum-distance-between-anchors/107)
**Author:** [@doro](https://forum.leapslabs.com/u/doro)\ **Replies:** 3\ **Last updated:** [July 6, 2026, 12:16pm UTC](https://forum.leapslabs.com/t/maximum-distance-between-anchors/107 "2026-07-06T12:16:47Z")
Hello again. I configured four anchors and one tag using the QM33120WDK2. The configuration instructions are in the link below. https://docs.leapslabs.com/udk/udk-start/downlink-tdoa-rtls-demo/#anchor-dtdoa The connec… --- ## [Log-file unrecognised option](https://forum.leapslabs.com/t/log-file-unrecognised-option/111)
**Author:** [@Daniel](https://forum.leapslabs.com/u/Daniel)\ **Replies:** 3\ **Last updated:** [February 25, 2026, 12:12pm UTC](https://forum.leapslabs.com/t/log-file-unrecognised-option/111 "2026-02-25T12:12:45Z")
Hallo, I want to save the log to a file and set the option log-file = /var/log/leaps-server.log on my RPI. After restart the docker container leaps-server this doesn’t come up and restarts itself every minute with the l… --- ## [BLE connection and data transfer](https://forum.leapslabs.com/t/ble-connection-and-data-transfer/106)
**Author:** [@doro](https://forum.leapslabs.com/u/doro)\ **Replies:** 4\ **Last updated:** [December 7, 2025, 3:27pm UTC](https://forum.leapslabs.com/t/ble-connection-and-data-transfer/106 "2025-12-07T15:27:23Z")
Hello everyone. I have a QM33120WDK2. When I connect an LC13 or LC14 to an Android device via BLE using nRF Connect (not LEAPS Manager), the connection keeps getting terminated with status 19. What could be causing thi… --- ## [UDK and Angle-Of-Arrival (AoA)](https://forum.leapslabs.com/t/udk-and-angle-of-arrival-aoa/73)
**Author:** [@kirby](https://forum.leapslabs.com/u/kirby)\ **Replies:** 3\ **Last updated:** [March 9, 2025, 7:31am UTC](https://forum.leapslabs.com/t/udk-and-angle-of-arrival-aoa/73 "2025-03-09T07:31:00Z")
Hi, one of the UDK demos shows the Angle-of-Arrival (AoA) capabilities. This seems to work quite well. For further evaluation we would like to reproduce this demo and access the AoA data via USB/UART and some software … --- ## [UDK Supported Antenna](https://forum.leapslabs.com/t/udk-supported-antenna/51)
**Author:** [@cruizer](https://forum.leapslabs.com/u/cruizer)\ **Replies:** 4\ **Last updated:** [March 30, 2025, 7:20pm UTC](https://forum.leapslabs.com/t/udk-supported-antenna/51 "2025-03-30T19:20:00Z")
Hi , Where can we get antenna designs that is supported for LC14 single antenna solution. Also, is there a list of supported high gain antennas available for CH9? Are there special provisions to make it compatible with … --- ## [SPI slave pins and CORE\_INT mapping for DWM3001C and LM8](https://forum.leapslabs.com/t/spi-slave-pins-and-core-int-mapping-for-dwm3001c-and-lm8/85)
**Author:** [@stephane](https://forum.leapslabs.com/u/stephane)\ **Replies:** 3\ **Last updated:** [March 28, 2025, 7:22pm UTC](https://forum.leapslabs.com/t/spi-slave-pins-and-core-int-mapping-for-dwm3001c-and-lm8/85 "2025-03-28T19:22:11Z")
For PANS on dwm1001c, the SPI slave and interrupt pins are clearly labeled: https://docs.leapslabs.com/hardware/dwm1001c/#pinouts-description For DWM3001C and LM8, I’m not seeing the labels: https://docs.leapslabs.com… --- ## [Independent Anchor Topology](https://forum.leapslabs.com/t/independent-anchor-topology/95)
**Author:** [@drewwestrick](https://forum.leapslabs.com/u/drewwestrick)\ **Replies:** 5\ **Last updated:** [March 27, 2025, 6:04am UTC](https://forum.leapslabs.com/t/independent-anchor-topology/95 "2025-03-27T06:04:02Z")
Hi everyone, I’m researching whether Leaps RTLS can support a specific use case. In this system, independent UWB anchors (ANs) are mounted on forklifts to detect roaming tags (TNs) worn by employees. Each anchor functio… --- ## [Schematic LC13/LC14](https://forum.leapslabs.com/t/schematic-lc13-lc14/49)
**Author:** [@foray](https://forum.leapslabs.com/u/foray)\ **Replies:** 4\ **Last updated:** [March 16, 2025, 8:04pm UTC](https://forum.leapslabs.com/t/schematic-lc13-lc14/49 "2025-03-16T20:04:47Z")
Hello. Where can we find the schematics for the LC13/14 modules? Does the LC13/14 modules can be charge the CR123A battery via one of the USB C ports? We tried this but the battery isn’t charging and not indicated by … --- ## [Documentation typo](https://forum.leapslabs.com/t/documentation-typo/96)
**Author:** [@stephane](https://forum.leapslabs.com/u/stephane)\ **Replies:** 1\ **Last updated:** [February 13, 2025, 8:03am UTC](https://forum.leapslabs.com/t/documentation-typo/96 "2025-02-13T08:03:40Z")
Should the text state 50Hz instead of 5Hz below? https://docs.leapslabs.com/udk1/udk1-start/high-speed-downlink-tdoa-rtls-demo/ For example, configure normal update rate to 0.02s/ 5Hz and, stationary update rate is 0.0… --- ## [PANS to LEAPS RTLS](https://forum.leapslabs.com/t/pans-to-leaps-rtls/84)
**Author:** [@stephane](https://forum.leapslabs.com/u/stephane)\ **Replies:** 2\ **Last updated:** [January 13, 2025, 3:53pm UTC](https://forum.leapslabs.com/t/pans-to-leaps-rtls/84 "2025-01-13T15:53:09Z")
Hello all! I’ve been using PANS 2.0 in an embedded application, and would love investigate upgrading to LEAPS. What’s the status of LEAPs RTLS project? I’ve tried emailing contact form, no response. Is it safe/ready … --- ## [High-speed downlink TDoA](https://forum.leapslabs.com/t/high-speed-downlink-tdoa/57)
**Author:** [@KZI](https://forum.leapslabs.com/u/KZI)\ **Replies:** 1\ **Last updated:** [June 13, 2024, 9:44am UTC](https://forum.leapslabs.com/t/high-speed-downlink-tdoa/57 "2024-06-13T09:44:15Z")
Hello, I am trying to setup High-speed Downlink TDoA demo with the command line so that I can export the data and understand the config. I assume that to get the possition on the tag, the command is “les”. But i get: … --- ## [LEAPS Docker system "MQTT/TCP Connection Error"](https://forum.leapslabs.com/t/leaps-docker-system-mqtt-tcp-connection-error/33)
**Author:** [@PeterB-NS](https://forum.leapslabs.com/u/PeterB-NS)\ **Replies:** 13\ **Last updated:** [May 21, 2024, 12:51pm UTC](https://forum.leapslabs.com/t/leaps-docker-system-mqtt-tcp-connection-error/33 "2024-05-21T12:51:42Z")
Hello, We have purchased a UDK kit and successfully got the DL-TDoA demo running with the LEAPS Manager Android app. As a next step, I went through the LEAPS Docker quick start guide on an Ubuntu machine to get the LEA…