# SAMR34 **URL:** https://www.thethingsnetwork.org/forum/c/nodes/samr34/96.md [Latest](https://www.thethingsnetwork.org/forum/latest.md) · [Categories](https://www.thethingsnetwork.org/forum/categories.md) · [Tags](https://www.thethingsnetwork.org/forum/tags.md) --- ## [About the SAMR34 category](https://www.thethingsnetwork.org/forum/t/about-the-samr34-category/25406)
**Author:** [@BoRRoZ](https://www.thethingsnetwork.org/forum/u/BoRRoZ)\ **Replies:** 0
The SAM R34/R35 is a highly-integrated LoRa® System-in-Package (SiP) family which includes an ultra-low power, high-performance 32-bit microcontroller (MCU), LoRa transceiver and soft… --- ## [Any experience with WLR089? Having some trouble](https://www.thethingsnetwork.org/forum/t/any-experience-with-wlr089-having-some-trouble/45189)
**Author:** [@Basler](https://www.thethingsnetwork.org/forum/u/Basler)\ **Replies:** 16\ **Last updated:** [August 11, 2025, 4:31am UTC](https://www.thethingsnetwork.org/forum/t/any-experience-with-wlr089-having-some-trouble/45189 "2025-08-11T04:31:54Z")
Hi there! I’m using the WLR089 module ( https://www.microchip.com/wwwproducts/en/WLR089U0 ) on a self-made PCB. However, I had different kinds of trouble. Two modules had a low ohmic shortage and heated up… even after d… --- ## [WLR089U0 Unable to receive downlinks in AU915](https://www.thethingsnetwork.org/forum/t/wlr089u0-unable-to-receive-downlinks-in-au915/57753)
**Author:** [@beeKeeper](https://www.thethingsnetwork.org/forum/u/beeKeeper)\ **Replies:** 11\ **Last updated:** [June 28, 2022, 12:12pm UTC](https://www.thethingsnetwork.org/forum/t/wlr089u0-unable-to-receive-downlinks-in-au915/57753 "2022-06-28T12:12:10Z")
Need your collective help and advice. Despite repeated attempts, our SAMR34 based end-node does not seem to be receiving downlinks at all when configured in AU915 over TTN. Join and uplinks seem to work pretty well. Th… --- ## [DevNonce is too small: MLS\_SDK\_1\_0\_P\_5 & TTI v3.13.1 - SAMR34 Microchip](https://www.thethingsnetwork.org/forum/t/devnonce-is-too-small-mls-sdk-1-0-p-5-tti-v3-13-1-samr34-microchip/48649)
**Author:** [@MarcoAndrade](https://www.thethingsnetwork.org/forum/u/MarcoAndrade)\ **Replies:** 12\ **Last updated:** [May 19, 2022, 8:37am UTC](https://www.thethingsnetwork.org/forum/t/devnonce-is-too-small-mls-sdk-1-0-p-5-tti-v3-13-1-samr34-microchip/48649 "2022-05-19T08:37:12Z")
Hello! I have a XPLAINED PRO SAMR34, I had my code working on MLS\_SDK\_1\_0\_P\_3, but when upgrading it to 1\_0\_P\_5 and trying to join, on The Things Industries console it appears the message “DevNonce is too small”. I found… --- ## [Issues w/ Uplink Using SAM R34 and ABP](https://www.thethingsnetwork.org/forum/t/issues-w-uplink-using-sam-r34-and-abp/56329)
**Author:** [@dnakazawa-aps](https://www.thethingsnetwork.org/forum/u/dnakazawa-aps)\ **Replies:** 6\ **Last updated:** [April 7, 2022, 3:14pm UTC](https://www.thethingsnetwork.org/forum/t/issues-w-uplink-using-sam-r34-and-abp/56329 "2022-04-07T15:14:48Z")
Hello! I recently took a dive into LoRa. I have a SAM R34 Xplained Pro evaluation module and The Things Kickstarter Gateway (TTKG), both of which have been configured using the Console in The Things Stack: Community Edi… --- ## [Wlr089 join denied problem](https://www.thethingsnetwork.org/forum/t/wlr089-join-denied-problem/52732)
**Author:** [@sabahatcanakci](https://www.thethingsnetwork.org/forum/u/sabahatcanakci)\ **Replies:** 4\ **Last updated:** [October 28, 2021, 1:27pm UTC](https://www.thethingsnetwork.org/forum/t/wlr089-join-denied-problem/52732 "2021-10-28T13:27:13Z")
Hi everyone. I have atsamr34(wlr089 module). I want to join ttn network. But ı dont have any gateway. I have tried but module reply me ’ join denied’(I added photo). So ı ask you can ı ttn network without any gateway. … --- ## [Developing with the SAMR34/35 - Clayton Pillion (Microchip)](https://www.thethingsnetwork.org/forum/t/developing-with-the-samr34-35-clayton-pillion-microchip/22601)
**Author:** [@laurens](https://www.thethingsnetwork.org/forum/u/laurens)\ **Replies:** 2\ **Last updated:** [October 28, 2021, 8:18am UTC](https://www.thethingsnetwork.org/forum/t/developing-with-the-samr34-35-clayton-pillion-microchip/22601 "2021-10-28T08:18:19Z")
Clayton Pillion of Microchip, will provide an in-depth introduction to the SAMR34/35 SiP and its all inclusive development environment. --- ## [Join Request frequency outside of sub band](https://www.thethingsnetwork.org/forum/t/join-request-frequency-outside-of-sub-band/52079)
**Author:** [@zygurt](https://www.thethingsnetwork.org/forum/u/zygurt)\ **Replies:** 7\ **Last updated:** [October 5, 2021, 1:13pm UTC](https://www.thethingsnetwork.org/forum/t/join-request-frequency-outside-of-sub-band/52079 "2021-10-05T13:13:51Z")
I’ve been investigating missed join requests from my WLR089U0 custom node, and have made an interesting discovery, which was also discussed in Feb 2019 in Microchip SAMR34 Joining Denied - #45 by mrpackethead . Join req… --- ## [End Device join after OTAA](https://www.thethingsnetwork.org/forum/t/end-device-join-after-otaa/47823)
**Author:** [@TsienLuca](https://www.thethingsnetwork.org/forum/u/TsienLuca)\ **Replies:** 7\ **Last updated:** [May 26, 2021, 5:14pm UTC](https://www.thethingsnetwork.org/forum/t/end-device-join-after-otaa/47823 "2021-05-26T17:14:36Z")
Hello all, My apologies in advance if this has been already asked but I didn’t find a clear procedure for the following scenario. I’ve bought a WLR089U0 module and fitted it on a custom board. Thanks to the posts being… --- ## [SAMR34 and LoRaWan configuration](https://www.thethingsnetwork.org/forum/t/samr34-and-lorawan-configuration/45372)
**Author:** [@VitorVitalino](https://www.thethingsnetwork.org/forum/u/VitorVitalino)\ **Replies:** 8\ **Last updated:** [March 11, 2021, 3:43pm UTC](https://www.thethingsnetwork.org/forum/t/samr34-and-lorawan-configuration/45372 "2021-03-11T15:43:50Z")
Hello everybody, I’m having some troubles with LoRa network for SAMR34. At the moment, I need to configure some specifics parameters on SAMR34 The server is configured in AU915, and it uses the first 8 channels from 915… --- ## [SAM R34 LoRaWAN](https://www.thethingsnetwork.org/forum/t/sam-r34-lorawan/42447)
**Author:** [@Jakub\_Nagy](https://www.thethingsnetwork.org/forum/u/Jakub_Nagy)\ **Replies:** 10\ **Last updated:** [February 8, 2021, 4:11am UTC](https://www.thethingsnetwork.org/forum/t/sam-r34-lorawan/42447 "2021-02-08T04:11:11Z")
Hello there! I recently bought this SAM R34 evaluation board from Tindie with hopes to get to know the processor before doing a custom HW implementation. I ran into many shortcomings though. With the previous processor… --- ## [SAMR34 and BME280](https://www.thethingsnetwork.org/forum/t/samr34-and-bme280/33389)
**Author:** [@TonySmith](https://www.thethingsnetwork.org/forum/u/TonySmith)\ **Replies:** 2\ **Last updated:** [January 14, 2020, 9:38pm UTC](https://www.thethingsnetwork.org/forum/t/samr34-and-bme280/33389 "2020-01-14T21:38:28Z")
Has anyone connected a BME280 sensor (I2C) to a SAMR34? I’m looking for a library to read and perform the calculations required when using this sensor. --- ## [SAMR34 Arduino](https://www.thethingsnetwork.org/forum/t/samr34-arduino/32558)
**Author:** [@WizIO](https://www.thethingsnetwork.org/forum/u/WizIO)\ **Replies:** 4\ **Last updated:** [December 14, 2019, 1:13pm UTC](https://www.thethingsnetwork.org/forum/t/samr34-arduino/32558 "2019-12-14T13:13:53Z")
Continuing the discussion from Microchip SAMR34 - Quick review: if anyone is interested --- ## [AMR34 Xplained "APPS\_ENDDEVICE\_DEMO" Testing](https://www.thethingsnetwork.org/forum/t/amr34-xplained-apps-enddevice-demo-testing/31875)
**Author:** [@indusconn](https://www.thethingsnetwork.org/forum/u/indusconn)\ **Replies:** 0\ **Last updated:** [November 18, 2019, 9:06pm UTC](https://www.thethingsnetwork.org/forum/t/amr34-xplained-apps-enddevice-demo-testing/31875 "2019-11-18T21:06:39Z")
Hello, I’m trying to test the “APPS\_ENDDEVICE\_DEMO” everything is fine but have a certain issue sending data with “2” option works well but if trying to directly sleep after with “3” option it doesn’t sleep with the d… --- ## [Modules on SAMR34?](https://www.thethingsnetwork.org/forum/t/modules-on-samr34/14197)
**Author:** [@x893-00](https://www.thethingsnetwork.org/forum/u/x893-00)\ **Replies:** 49\ **Last updated:** [October 14, 2019, 2:29pm UTC](https://www.thethingsnetwork.org/forum/t/modules-on-samr34/14197 "2019-10-14T14:29:51Z")
Has anyone seen the modules on SAMR34J18 MCU (combine SAML21 and SX1276 in one chip) ? --- ## [How to Integrate a Pressure sensor with SAMR34](https://www.thethingsnetwork.org/forum/t/how-to-integrate-a-pressure-sensor-with-samr34/30732)
**Author:** [@network\_alluvium](https://www.thethingsnetwork.org/forum/u/network_alluvium)\ **Replies:** 0\ **Last updated:** [October 14, 2019, 6:23am UTC](https://www.thethingsnetwork.org/forum/t/how-to-integrate-a-pressure-sensor-with-samr34/30732 "2019-10-14T06:23:12Z")
By using SAMR34 chip, how to integrate a pressure sensor? --- ## [SAMR34 - Microchip vs Semtech Stack](https://www.thethingsnetwork.org/forum/t/samr34-microchip-vs-semtech-stack/25391)
**Author:** [@matomback](https://www.thethingsnetwork.org/forum/u/matomback)\ **Replies:** 0\ **Last updated:** [April 25, 2019, 4:53pm UTC](https://www.thethingsnetwork.org/forum/t/samr34-microchip-vs-semtech-stack/25391 "2019-04-25T16:53:29Z")
Is anyone successfully using the SAMR34 modules? How is development and support with the Microchip Lorawan Stack (MLS) and ASF libraries? I am considering tinkering via the R34-XPRO dev board but would like to know a bit… --- ## [Microchip SAMR34 - Quick review](https://www.thethingsnetwork.org/forum/t/microchip-samr34-quick-review/22460)
**Author:** [@mrpackethead](https://www.thethingsnetwork.org/forum/u/mrpackethead)\ **Replies:** 9\ **Last updated:** [February 26, 2019, 7:36pm UTC](https://www.thethingsnetwork.org/forum/t/microchip-samr34-quick-review/22460 "2019-02-26T19:36:46Z")
I recently got myself a Microchip SAMR34 Pro Xplained board. I got mine from Digikey for $US99, including international shipping to New Zealand. The dev board comprises of a ‘node section’, a debugger/programmer, a… --- ## [Microchip SAMR34 Joining Denied](https://www.thethingsnetwork.org/forum/t/microchip-samr34-joining-denied/22109)
**Author:** [@joystick](https://www.thethingsnetwork.org/forum/u/joystick)\ **Replies:** 48\ **Last updated:** [February 8, 2019, 6:13am UTC](https://www.thethingsnetwork.org/forum/t/microchip-samr34-joining-denied/22109 "2019-02-08T06:13:09Z")
HI, I’m bringing up SAM R34 Xplained Pro Evaluation Kit board to TTN. I’m using Atmel Studio 7 as explained in https://www.thethingsnetwork.org/labs/story/connecting-the-microchip-atsamr34-xplained-pro-kit-with-lorawan…