# Hardware **URL:** https://www.thethingsnetwork.org/forum/c/nodes/hardware/13.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 Hardware category](https://www.thethingsnetwork.org/forum/t/about-the-hardware-category/20)
**Author:** [@wienkegiezeman](https://www.thethingsnetwork.org/forum/u/wienkegiezeman)\ **Replies:** 2\ **Last updated:** [October 1, 2022, 11:14am UTC](https://www.thethingsnetwork.org/forum/t/about-the-hardware-category/20 "2022-10-01T11:14:59Z")
--- ## [Orphaned Device from Deleted Application - Unable to Re-register](https://www.thethingsnetwork.org/forum/t/orphaned-device-from-deleted-application-unable-to-re-register/73678)
**Author:** [@agroxis](https://www.thethingsnetwork.org/forum/u/agroxis)\ **Replies:** 6\ **Last updated:** [August 7, 2026, 10:27am UTC](https://www.thethingsnetwork.org/forum/t/orphaned-device-from-deleted-application-unable-to-re-register/73678 "2026-08-07T10:27:44Z")
Hello, I’m experiencing an issue with orphaned devices from a deleted application blocking new device registrations. Situation: Deleted application: ct74e3bbe8641245889a57cbc6c1d15f2b Orphaned device still regist… --- ## [IP67 Temperature sensor recomendations?](https://www.thethingsnetwork.org/forum/t/ip67-temperature-sensor-recomendations/73217)
**Author:** [@kayakpete](https://www.thethingsnetwork.org/forum/u/kayakpete)\ **Replies:** 6\ **Last updated:** [May 4, 2026, 6:14pm UTC](https://www.thethingsnetwork.org/forum/t/ip67-temperature-sensor-recomendations/73217 "2026-05-04T18:14:57Z")
Greetings. We have been monitoring our snowmelt system with home-brewed sensors for a few years now. It’s time to retire the hardware and replace it with a more robust, commercially available option. I’m seeking advic… --- ## [MiniPill LoRa - STM32 Low Power Node](https://www.thethingsnetwork.org/forum/t/minipill-lora-stm32-low-power-node/39094)
**Author:** [@leo\_korbee](https://www.thethingsnetwork.org/forum/u/leo_korbee)\ **Replies:** 38\ **Last updated:** [November 4, 2025, 9:36pm UTC](https://www.thethingsnetwork.org/forum/t/minipill-lora-stm32-low-power-node/39094 "2025-11-04T21:36:26Z")
I would like to share my new STM32 node. This node is based on a STM32L051C8T6 microcontroller. With a BME280 environment sensor it uses 1.9 uA in sleep mode. Short list of features: Arduino code is used, combined wit… --- ## [Best lithium (Li-SOCl2) cells to power node?](https://www.thethingsnetwork.org/forum/t/best-lithium-li-socl2-cells-to-power-node/41152)
**Author:** [@JeroenvI](https://www.thethingsnetwork.org/forum/u/JeroenvI)\ **Replies:** 28\ **Last updated:** [July 15, 2025, 7:40am UTC](https://www.thethingsnetwork.org/forum/t/best-lithium-li-socl2-cells-to-power-node/41152 "2025-07-15T07:40:31Z")
Since some LoRaWAN sensor products use Li-SOCl2 (lithium thionyl chloride) and some hobbyists use these too: any experience out there which brand is best, for AA size (“14500”) cells? I’ve mostly seen Saft LS14500 and E… --- ## [MIC mismatch on WIO-E5 module?](https://www.thethingsnetwork.org/forum/t/mic-mismatch-on-wio-e5-module/65386)
**Author:** [@ridgerunnersjw](https://www.thethingsnetwork.org/forum/u/ridgerunnersjw)\ **Replies:** 7\ **Last updated:** [June 13, 2025, 11:11am UTC](https://www.thethingsnetwork.org/forum/t/mic-mismatch-on-wio-e5-module/65386 "2025-06-13T11:11:29Z")
Good morning. I have a WIO-E5 module. When I monitor the node on TTN I consistently am receiving I have verified DevEUI and APPKEY. I have also verified that both firmware and node registered are using 1.0.3. I ha… --- ## [Victron VE.Direct Lorawan problem register](https://www.thethingsnetwork.org/forum/t/victron-ve-direct-lorawan-problem-register/71262)
**Author:** [@chris50](https://www.thethingsnetwork.org/forum/u/chris50)\ **Replies:** 0\ **Last updated:** [April 30, 2025, 5:46pm UTC](https://www.thethingsnetwork.org/forum/t/victron-ve-direct-lorawan-problem-register/71262 "2025-04-30T17:46:23Z")
Good morning, I’m having a problem. I opened an account on VRM Portal and an account on TTN. It is not possible to record direct V.E without having added it to VRM but for this you absolutely must have a VICTRON GX dev… --- ## [Join accepted but nothing else](https://www.thethingsnetwork.org/forum/t/join-accepted-but-nothing-else/70996)
**Author:** [@fweijers](https://www.thethingsnetwork.org/forum/u/fweijers)\ **Replies:** 15\ **Last updated:** [April 2, 2025, 6:10pm UTC](https://www.thethingsnetwork.org/forum/t/join-accepted-but-nothing-else/70996 "2025-04-02T18:10:24Z")
Hi there I am using a Heltec CubeCell-Board（HTCC-AB01) I successfully sent a message to the TTN network, I see my message in the console but nothing afterwards (no webhook is called). According to CHATGPT my node cont… --- ## [AVR128DB28 PCB with RFM95](https://www.thethingsnetwork.org/forum/t/avr128db28-pcb-with-rfm95/50864)
**Author:** [@tomtor](https://www.thethingsnetwork.org/forum/u/tomtor)\ **Replies:** 6\ **Last updated:** [March 22, 2025, 5:32am UTC](https://www.thethingsnetwork.org/forum/t/avr128db28-pcb-with-rfm95/50864 "2025-03-22T05:32:29Z")
I made a PCB for the STM32 about 4 years ago: https://www.thethingsnetwork.org/labs/story/a-cheap-stm32-arduino-node, but because these boards are hard to get nowadays I recently designed a PCB with the AVR128DB28. These… --- ## [LoRa Plus(tm) - Next Gen LoRa announced](https://www.thethingsnetwork.org/forum/t/lora-plus-tm-next-gen-lora-announced/70851)
**Author:** [@Jeff-UK](https://www.thethingsnetwork.org/forum/u/Jeff-UK)\ **Replies:** 0\ **Last updated:** [March 11, 2025, 12:08am UTC](https://www.thethingsnetwork.org/forum/t/lora-plus-tm-next-gen-lora-announced/70851 "2025-03-11T00:08:53Z")
Semtech has announced the next release of LoRa tranceiver technology with the release of LoRa Plus™ LR2021. Details here: --- ## [How to use T-Beam V.1.2?](https://www.thethingsnetwork.org/forum/t/how-to-use-t-beam-v-1-2/70660)
**Author:** [@Somsak](https://www.thethingsnetwork.org/forum/u/Somsak)\ **Replies:** 1\ **Last updated:** [February 22, 2025, 9:20am UTC](https://www.thethingsnetwork.org/forum/t/how-to-use-t-beam-v-1-2/70660 "2025-02-22T09:20:01Z")
I have TTGO T-Beam v.1.2 as ESP32+SX1276. Has anyone ever been able to use it with MCCI Lmic library to connect to TTN? And how to add a Board into the Arduino IDE? Pin Mapping that is required, does it use any GPIO li… --- ## [Dragino LA66 LoRaWan AT COMANDs](https://www.thethingsnetwork.org/forum/t/dragino-la66-lorawan-at-comands/70617)
**Author:** [@wollacebomfim](https://www.thethingsnetwork.org/forum/u/wollacebomfim)\ **Replies:** 6\ **Last updated:** [February 20, 2025, 5:52pm UTC](https://www.thethingsnetwork.org/forum/t/dragino-la66-lorawan-at-comands/70617 "2025-02-20T17:52:21Z")
Good morning everyone, I have a problem, I need to know the rssi and snr of the package sent by the LoRaWan Shield LA66 + Arduino via AT\_COMANDS which are AT+SNR=? /AT+RSSI=?, but both return 0, is it possible to check t… --- ## [Noob - Setting up Axioma Qalcosonic E3 Heat Monitor device - all preconfigured!](https://www.thethingsnetwork.org/forum/t/noob-setting-up-axioma-qalcosonic-e3-heat-monitor-device-all-preconfigured/38554)
**Author:** [@YouGenerate](https://www.thethingsnetwork.org/forum/u/YouGenerate)\ **Replies:** 35\ **Last updated:** [February 10, 2025, 4:13pm UTC](https://www.thethingsnetwork.org/forum/t/noob-setting-up-axioma-qalcosonic-e3-heat-monitor-device-all-preconfigured/38554 "2025-02-10T16:13:18Z")
Hi All, Just joined so very very green on all this, sorry if its a noob question! I am trying to setup and register a heat monitor (measures kWh of heat produced by a gas combi) which I have been assured is LoRaWan com… --- ## [Ebyte E78-868LN22S](https://www.thethingsnetwork.org/forum/t/ebyte-e78-868ln22s/70144)
**Author:** [@jochenstromberg](https://www.thethingsnetwork.org/forum/u/jochenstromberg)\ **Replies:** 10\ **Last updated:** [January 22, 2025, 5:19am UTC](https://www.thethingsnetwork.org/forum/t/ebyte-e78-868ln22s/70144 "2025-01-22T05:19:01Z")
Hi there, i got some Ebyte E78-868LN22S SW Version 4.0, the datasheet seems to be older than the firmware… I tried to set it up in a german lorawan so 868MHz, in both methods OTAA / ABP. Nothing to see in my console fo… --- ## [Problem With WakeUp on External for Heltec ESP32 v2](https://www.thethingsnetwork.org/forum/t/problem-with-wakeup-on-external-for-heltec-esp32-v2/33654)
**Author:** [@hcfk](https://www.thethingsnetwork.org/forum/u/hcfk)\ **Replies:** 6\ **Last updated:** [January 7, 2025, 3:49pm UTC](https://www.thethingsnetwork.org/forum/t/problem-with-wakeup-on-external-for-heltec-esp32-v2/33654 "2025-01-07T15:49:40Z")
I am writing a simple code on Heltec ESP32 v2 board and want to make it deep sleep till an external signal got from PIR. For this GPIO\_NUM\_27 pin as input. But the problem is although the pir is not connected to the pi… --- ## [Recovering Base Station Credentials](https://www.thethingsnetwork.org/forum/t/recovering-base-station-credentials/70219)
**Author:** [@j-eisenbrandt-vb](https://www.thethingsnetwork.org/forum/u/j-eisenbrandt-vb)\ **Replies:** 0\ **Last updated:** [January 2, 2025, 4:01pm UTC](https://www.thethingsnetwork.org/forum/t/recovering-base-station-credentials/70219 "2025-01-02T16:01:17Z")
I have a multitech gateway that was added to my actility network some time ago by someone that is no longer on my team. I would like to access the gateway via ssh, but the password that I have is incorrect. Is there a wa… --- ## [TTN Mapper with T-Beam V1.2](https://www.thethingsnetwork.org/forum/t/ttn-mapper-with-t-beam-v1-2/70123)
**Author:** [@vorderwaeldler](https://www.thethingsnetwork.org/forum/u/vorderwaeldler)\ **Replies:** 35\ **Last updated:** [December 26, 2024, 1:08pm UTC](https://www.thethingsnetwork.org/forum/t/ttn-mapper-with-t-beam-v1-2/70123 "2024-12-26T13:08:32Z")
TTN Mapper with T-Beam V1.2 Hello forum, I have a T-Beam from Lilygo here in version 1.2. I wanted to use it to fill TTN Mapper with some information. I used this project here as a code base: Part 1 - Part 2 - Part … --- ## [MicroPython OTAA Node](https://www.thethingsnetwork.org/forum/t/micropython-otaa-node/54375)
**Author:** [@Somsak](https://www.thethingsnetwork.org/forum/u/Somsak)\ **Replies:** 18\ **Last updated:** [October 13, 2024, 9:20am UTC](https://www.thethingsnetwork.org/forum/t/micropython-otaa-node/54375 "2024-10-13T09:20:14Z")
I would like to use MicroPython to make an OTAA join request Node. My node is an ESP32 + SX1276 node. The LoRaWAN lib that I have seen so far is uLoRaWAN (GitHub - mallagant/uLoRaWAN: LoRaWAN implementation in MicroPytho… --- ## [Inline Gas Flow Sensor](https://www.thethingsnetwork.org/forum/t/inline-gas-flow-sensor/60866)
**Author:** [@nathant1985](https://www.thethingsnetwork.org/forum/u/nathant1985)\ **Replies:** 1\ **Last updated:** [October 1, 2024, 12:30pm UTC](https://www.thethingsnetwork.org/forum/t/inline-gas-flow-sensor/60866 "2024-10-01T12:30:58Z")
I’m looking at options for an inline gas flow sensor, can i use any water one? Something like a SW3L-004 LoRaWAN Outdoor Flow Sensor (ukiot.store)? I’m guessing not as its plastic? Any recommendations of sensor? --- ## [LoRa Node-\>Node chip reccomendations 2024](https://www.thethingsnetwork.org/forum/t/lora-node-node-chip-reccomendations-2024/69293)
**Author:** [@doug42](https://www.thethingsnetwork.org/forum/u/doug42)\ **Replies:** 33\ **Last updated:** [October 1, 2024, 4:10pm UTC](https://www.thethingsnetwork.org/forum/t/lora-node-node-chip-reccomendations-2024/69293 "2024-10-01T16:10:11Z")
Hello! I am working on a smart energy metering project for a charity tackling on energy poverty. I am an engineer jack of all trades dunce of many and LoRa is something I have been aware of but until now never tinkered… --- ## [Hardware for GPS Tracker](https://www.thethingsnetwork.org/forum/t/hardware-for-gps-tracker/67547)
**Author:** [@esa66](https://www.thethingsnetwork.org/forum/u/esa66)\ **Replies:** 24\ **Last updated:** [August 20, 2024, 9:32pm UTC](https://www.thethingsnetwork.org/forum/t/hardware-for-gps-tracker/67547 "2024-08-20T21:32:23Z")
Hi, I’m new on the LoRaWan forum and would like to realise a ebike tracker. In the first step, I just want to create a simple LoraWAN tracker. At the end, I would like to : When I go ride, the tracker can detect my … --- ## [Searching: Smoke detector powered with 230V with LoRaWAN connection](https://www.thethingsnetwork.org/forum/t/searching-smoke-detector-powered-with-230v-with-lorawan-connection/68882)
**Author:** [@prerieriver](https://www.thethingsnetwork.org/forum/u/prerieriver)\ **Replies:** 0\ **Last updated:** [August 12, 2024, 11:15am UTC](https://www.thethingsnetwork.org/forum/t/searching-smoke-detector-powered-with-230v-with-lorawan-connection/68882 "2024-08-12T11:15:40Z")
Hello all, We have tried to find a smoke detector that is powered from 230V with lorawan support. The device must have CE approval and EN 14604 certification. Any help and/or tips are welcome! Thanks in advance --- ## [Changing spreading factor of STEVAL STRkT01 IOT tracker](https://www.thethingsnetwork.org/forum/t/changing-spreading-factor-of-steval-strkt01-iot-tracker/68715)
**Author:** [@hassanmaree](https://www.thethingsnetwork.org/forum/u/hassanmaree)\ **Replies:** 9\ **Last updated:** [July 24, 2024, 10:45am UTC](https://www.thethingsnetwork.org/forum/t/changing-spreading-factor-of-steval-strkt01-iot-tracker/68715 "2024-07-24T10:45:27Z")
Hi All, I have Steval STRK01 IOT tracker and Things outdoor gateway. Both are registrered on things network. Could you please guide me how can I change spreading factor? Moreoever, How can I change it to private networ… --- ## [ZENNER EASY PROTECT Radio decoder](https://www.thethingsnetwork.org/forum/t/zenner-easy-protect-radio-decoder/59486)
**Author:** [@HSN-TTN](https://www.thethingsnetwork.org/forum/u/HSN-TTN)\ **Replies:** 8\ **Last updated:** [July 20, 2024, 3:35pm UTC](https://www.thethingsnetwork.org/forum/t/zenner-easy-protect-radio-decoder/59486 "2024-07-20T15:35:53Z")
Good morning, I am looking for a TTN decoder for the ZENNER EASY PROTECT radio. Unfortunately I am not so well versed that I can create this asu the instructions myself. I’ve found 2 on the net, but unfortunately they… --- ## [Why SPI delayed in FSK mode in sx127x?](https://www.thethingsnetwork.org/forum/t/why-spi-delayed-in-fsk-mode-in-sx127x/68659)
**Author:** [@dernasherbrezon](https://www.thethingsnetwork.org/forum/u/dernasherbrezon)\ **Replies:** 0\ **Last updated:** [July 18, 2024, 11:19am UTC](https://www.thethingsnetwork.org/forum/t/why-spi-delayed-in-fsk-mode-in-sx127x/68659 "2024-07-18T11:19:11Z")
Hi guys, Several months ago I accidentally stumble across interesting thing: if SPI bus initialised on ~8Mhz, then sx127x chips in FSK mode introduce delay. Cause invalid data transmitted between MCU and sx127x chip. I… --- ## [Enginko EGK-LW22TWP00 payload formatter](https://www.thethingsnetwork.org/forum/t/enginko-egk-lw22twp00-payload-formatter/68627)
**Author:** [@kaaw](https://www.thethingsnetwork.org/forum/u/kaaw)\ **Replies:** 0\ **Last updated:** [July 16, 2024, 9:45am UTC](https://www.thethingsnetwork.org/forum/t/enginko-egk-lw22twp00-payload-formatter/68627 "2024-07-16T09:45:14Z")
Hi there, we just want to use the new Enginko EGK-LW22TWP00 environment sensors in TTN but we have problems with getting the right payload formatter for TTN. Enginko provides example scripts (s. attachement) but we are… --- ## [Browan Object Locator and payload formatter](https://www.thethingsnetwork.org/forum/t/browan-object-locator-and-payload-formatter/56968)
**Author:** [@ownergalileo](https://www.thethingsnetwork.org/forum/u/ownergalileo)\ **Replies:** 4\ **Last updated:** [July 4, 2024, 7:38am UTC](https://www.thethingsnetwork.org/forum/t/browan-object-locator-and-payload-formatter/56968 "2024-07-04T07:38:34Z")
Hi everyone, has anyone managed to do an uplink payload formatter on TTN for the Browan Object Locator? I have used this but I am not getting correct location information: function Decoder(bytes, port) { var params =… --- ## [TTGO T-Beam V1.0 & OLED & deep sleep needs proper power design](https://www.thethingsnetwork.org/forum/t/ttgo-t-beam-v1-0-oled-deep-sleep-needs-proper-power-design/30800)
**Author:** [@Verkehrsrot](https://www.thethingsnetwork.org/forum/u/Verkehrsrot)\ **Replies:** 83\ **Last updated:** [June 15, 2024, 1:41pm UTC](https://www.thethingsnetwork.org/forum/t/ttgo-t-beam-v1-0-oled-deep-sleep-needs-proper-power-design/30800 "2024-06-15T13:41:12Z")
Today i realized a funny chicken-egg-problem: The T-Beam V10 comes with enhanced power management features. It has a AXP192 pmu chip which can cut off power for display, lora, gps and esp32. The pmu chip is controlled v… --- ## [Sound frequency detection in a beehive](https://www.thethingsnetwork.org/forum/t/sound-frequency-detection-in-a-beehive/68099)
**Author:** [@chinswain](https://www.thethingsnetwork.org/forum/u/chinswain)\ **Replies:** 1\ **Last updated:** [June 5, 2024, 12:47pm UTC](https://www.thethingsnetwork.org/forum/t/sound-frequency-detection-in-a-beehive/68099 "2024-06-05T12:47:07Z")
Hi all, My LoRa beehive is finally taking shape, one area I’m having issues with is sound. Due to transmitting sensor data once an hour (Power and LoRa bandwidth considerations) I can’t transmit actual audio for further… --- ## [Enterprise grade hardware](https://www.thethingsnetwork.org/forum/t/enterprise-grade-hardware/67194)
**Author:** [@pete-w](https://www.thethingsnetwork.org/forum/u/pete-w)\ **Replies:** 2\ **Last updated:** [March 18, 2024, 6:22pm UTC](https://www.thethingsnetwork.org/forum/t/enterprise-grade-hardware/67194 "2024-03-18T18:22:36Z")
I’m looking for some advice / recommendations for enterprise grade hardware for work. A hundred temp sensors for shipping containers and a dual (for redundancy) base station gateway set up in the 923MHz range pumping dat… [Next page](https://www.thethingsnetwork.org/forum/c/nodes/hardware/13.md?page=1)