# CHESTER

**URL:** https://forum.hardwario.com/c/chester/26.md

[Latest](https://forum.hardwario.com/latest.md) · [Categories](https://forum.hardwario.com/categories.md)

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## [Lte config modemtrace](https://forum.hardwario.com/t/lte-config-modemtrace/875)

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**Author:** [@david.santoso](https://forum.hardwario.com/u/david.santoso)\
**Replies:** 3\
**Last updated:** [April 11, 2025, 3:52pm UTC](https://forum.hardwario.com/t/lte-config-modemtrace/875 "2025-04-11T15:52:47Z")

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A new feature modemtrace has been added to LTE v2. When this is set to true, where is the modem trace data saved, and how can it be retrieved? Additionally, is there a feature that allows logs to be saved in Chester’s n…

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## [Compilation error when LTE and Modbus is used together](https://forum.hardwario.com/t/compilation-error-when-lte-and-modbus-is-used-together/737)

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**Author:** [@hub.martin](https://forum.hardwario.com/u/hub.martin)\
**Replies:** 3\
**Last updated:** [September 25, 2024, 1:41am UTC](https://forum.hardwario.com/t/compilation-error-when-lte-and-modbus-is-used-together/737 "2024-09-25T01:41:44Z")

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Here’s the solution for this error message zephyr/drivers/serial/uart\_nrfx\_uarte.c:2087:6: error: 'const struct uarte\_nrfx\_config' has no member named 'timer' 2087 | (.timer = NRFX\_TIMER\_INSTANCE( \\ |…

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## [Which board A or B](https://forum.hardwario.com/t/which-board-a-or-b/804)

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**Author:** [@libertypeter](https://forum.hardwario.com/u/libertypeter)\
**Replies:** 2\
**Last updated:** [May 15, 2024, 4:46pm UTC](https://forum.hardwario.com/t/which-board-a-or-b/804 "2024-05-15T16:46:57Z")

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How do you tell the software that a particular board is in slot A or slot B?

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## [How to use CHESTER-X0A installed on "B" slot](https://forum.hardwario.com/t/how-to-use-chester-x0a-installed-on-b-slot/802)

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**Author:** [@david.santoso](https://forum.hardwario.com/u/david.santoso)\
**Replies:** 2\
**Last updated:** [May 15, 2024, 2:30pm UTC](https://forum.hardwario.com/t/how-to-use-chester-x0a-installed-on-b-slot/802 "2024-05-15T14:30:08Z")

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Hi, I was able to use CHESTER-X0A which was installed on “A” slot, but having problem when it is installed on “B” slot. Could you please let me know what changes need to be made? Btw, I assume the “ctr\_x0\_a” below indi…

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## [Can I use Segger J-Link EDU mini to run Hardwario Console?](https://forum.hardwario.com/t/can-i-use-segger-j-link-edu-mini-to-run-hardwario-console/798)

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**Author:** [@david.santoso](https://forum.hardwario.com/u/david.santoso)\
**Replies:** 2\
**Last updated:** [May 13, 2024, 5:43pm UTC](https://forum.hardwario.com/t/can-i-use-segger-j-link-edu-mini-to-run-hardwario-console/798 "2024-05-13T17:43:37Z")

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I’m trying to run hardwario console with Segger J-Link EDU mini but got the following error message: An error was reported by NRFJPROG DLL: -6 UNKNOWN\_DEVICE. Is there any configuration that I need to change?

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## [Connecting to Chester NB](https://forum.hardwario.com/t/connecting-to-chester-nb/786)

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**Author:** [@TellAnAx](https://forum.hardwario.com/u/TellAnAx)\
**Replies:** 2\
**Last updated:** [February 7, 2024, 12:20pm UTC](https://forum.hardwario.com/t/connecting-to-chester-nb/786 "2024-02-07T12:20:55Z")

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Hi there, I tried to connect to a Chester NB, following the Chester documentation. So far, I tried to use the Hardware Manager (iOS) and Hardwario Monitor (macOS). For the latter, I installed J-Link. However, I cannot f…

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## [Onomondo attach timeout issue](https://forum.hardwario.com/t/onomondo-attach-timeout-issue/746)

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**Author:** [@hub.martin](https://forum.hardwario.com/u/hub.martin)\
**Replies:** 0\
**Last updated:** [April 6, 2023, 10:41am UTC](https://forum.hardwario.com/t/onomondo-attach-timeout-issue/746 "2023-04-06T10:41:00Z")

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If you have issues with Onomondo SIM and cannot attach to the network. You can try solutions below: 1) Set fixed PLMN and disable autoconf In your Onomondo account find what PLMN ID was used for the node that has now i…

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## [Chester Watchdog - Best Practices](https://forum.hardwario.com/t/chester-watchdog-best-practices/739)

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**Author:** [@Aminger](https://forum.hardwario.com/u/Aminger)\
**Replies:** 1\
**Last updated:** [March 6, 2023, 9:56am UTC](https://forum.hardwario.com/t/chester-watchdog-best-practices/739 "2023-03-06T09:56:05Z")

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Hello, We are willing to start using watchdog sample in our CHESTER applications. Is there a general guideline to follow? How can we fine tune the watchdog timer according to our different type of applications. We ap…

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## [Powering CHESTER with 5V from USB](https://forum.hardwario.com/t/powering-chester-with-5v-from-usb/736)

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**Author:** [@Karel](https://forum.hardwario.com/u/Karel)\
**Replies:** 1\
**Last updated:** [February 17, 2023, 11:18am UTC](https://forum.hardwario.com/t/powering-chester-with-5v-from-usb/736 "2023-02-17T11:18:22Z")

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Hi, can I create a power cable that connects 5V from the USB port to the BATTERY connector on the CHESTER Mainboard? I’d like to power CHESTER from my computer or wall-plug adapter. Thanks

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## [CHESTER GNSS SAM-M8Q uBlox power consumption](https://forum.hardwario.com/t/chester-gnss-sam-m8q-ublox-power-consumption/733)

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**Author:** [@SmJakub](https://forum.hardwario.com/u/SmJakub)\
**Replies:** 1\
**Last updated:** [February 17, 2023, 10:21am UTC](https://forum.hardwario.com/t/chester-gnss-sam-m8q-ublox-power-consumption/733 "2023-02-17T10:21:52Z")

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Hello, what is the current consumption of the GNSS SAM-M8Q uBlox module on the CHESTER Mainboard? I’m looking at the Hardware Basic Parameters docs section, but this information is missing. I’m curious about these scena…

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## [Efficient dynamic key-value CBOR encoding - tip](https://forum.hardwario.com/t/efficient-dynamic-key-value-cbor-encoding-tip/735)

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**Author:** [@hub.martin](https://forum.hardwario.com/u/hub.martin)\
**Replies:** 0\
**Last updated:** [February 17, 2023, 10:10am UTC](https://forum.hardwario.com/t/efficient-dynamic-key-value-cbor-encoding-tip/735 "2023-02-17T10:10:28Z")

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If you for example have an application that reads Modbus registers, you would like to efficiently encode register number and register value to the CBOR/JSON. To get the smallest overhead you can use TSP (Time Series Per…
