# Heltec CubeCell **URL:** https://www.thethingsnetwork.org/forum/c/nodes/cubecell/121.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 Heltec CubeCell category](https://www.thethingsnetwork.org/forum/t/about-the-heltec-cubecell-category/48499)
**Author:** [@bluejedi](https://www.thethingsnetwork.org/forum/u/bluejedi)\ **Replies:** 0
The Heltec CubeCell category is for discussing anything related to Heltec CubeCell boards and modules. Heltec CubeCell products are based on the ASR6501 and ASR6502. The ASR6501 and ASR6502 are SiP’s (system-in-package… --- ## [Heltec CubeCell - part 2](https://www.thethingsnetwork.org/forum/t/heltec-cubecell-part-2/37225)
**Author:** [@bluejedi](https://www.thethingsnetwork.org/forum/u/bluejedi)\ **Replies:** 238\ **Last updated:** [October 20, 2025, 10:50pm UTC](https://www.thethingsnetwork.org/forum/t/heltec-cubecell-part-2/37225 "2025-10-20T22:50:56Z")
This is the main Heltec CubeCell topic. For the previous part of this topic see: Heltec CubeCell - part 1 Heltec CubeCell Series is a product series consisting of LoRaWAN modules, development boards and sensor capsu… --- ## [Rx timeout](https://www.thethingsnetwork.org/forum/t/rx-timeout/71876)
**Author:** [@mazspork](https://www.thethingsnetwork.org/forum/u/mazspork)\ **Replies:** 6\ **Last updated:** [July 27, 2025, 8:13am UTC](https://www.thethingsnetwork.org/forum/t/rx-timeout/71876 "2025-07-27T08:13:53Z")
Novice here. I have looked through and tried solutions in the threads. I keep getting an rx timeout on the device (AB02S), and although the ttn console occasionally gets a connection the device never joins. I am running … --- ## [Cubecell - change parameters in the code, not in the IDE](https://www.thethingsnetwork.org/forum/t/cubecell-change-parameters-in-the-code-not-in-the-ide/69960)
**Author:** [@simmoinard](https://www.thethingsnetwork.org/forum/u/simmoinard)\ **Replies:** 0\ **Last updated:** [December 3, 2024, 11:17am UTC](https://www.thethingsnetwork.org/forum/t/cubecell-change-parameters-in-the-code-not-in-the-ide/69960 "2024-12-03T11:17:14Z")
Hi everyone, I am using Cubecell to connect to TTN, it works perfectly :slight\_smile: I just have one question as everytime I need to go to the ‘tools’ in IDE to do 3 operations : disable the LED, change the Lorawan reg… --- ## [Encoding message sent to TTN](https://www.thethingsnetwork.org/forum/t/encoding-message-sent-to-ttn/67609)
**Author:** [@kriistobal](https://www.thethingsnetwork.org/forum/u/kriistobal)\ **Replies:** 2\ **Last updated:** [April 17, 2024, 7:27am UTC](https://www.thethingsnetwork.org/forum/t/encoding-message-sent-to-ttn/67609 "2024-04-17T07:27:33Z")
Hi folks :grin: i have a question and i’m a newbie with this lorawan stuff. To put in context, i’m programming the heltec wireless stick board with the ESP-IDF framework and i use a component (ttn from manuelbl) for the… --- ## [AB02S not connecting after updating Duty Cycle](https://www.thethingsnetwork.org/forum/t/ab02s-not-connecting-after-updating-duty-cycle/49763)
**Author:** [@masseymedia](https://www.thethingsnetwork.org/forum/u/masseymedia)\ **Replies:** 24\ **Last updated:** [January 10, 2024, 6:43pm UTC](https://www.thethingsnetwork.org/forum/t/ab02s-not-connecting-after-updating-duty-cycle/49763 "2024-01-10T18:43:27Z")
Hello. New here. New to hardware coding. I am using the CubeCell AB02S. This weekend I was able to connect and have the device functioning. Today, I went in and changed the appTxDutyCycle from the default to 180 \* 1… --- ## [Heltec Cubecell AB02 not Join to TTN EU](https://www.thethingsnetwork.org/forum/t/heltec-cubecell-ab02-not-join-to-ttn-eu/64072)
**Author:** [@MartinEgli](https://www.thethingsnetwork.org/forum/u/MartinEgli)\ **Replies:** 15\ **Last updated:** [December 26, 2023, 9:10am UTC](https://www.thethingsnetwork.org/forum/t/heltec-cubecell-ab02-not-join-to-ttn-eu/64072 "2023-12-26T09:10:07Z")
My CubeCell Capsule Solar not joining to TTN with code from github repo (LoRaWan\_MPU9250). The same settings with WASN CubeCell Configurator can join to TTN. The gateway is in the same room. Copyright @ 2019 Heltec Au… --- ## [CubeCell AB01/AB02 - SRC and DEST addresses](https://www.thethingsnetwork.org/forum/t/cubecell-ab01-ab02-src-and-dest-addresses/64958)
**Author:** [@d00m](https://www.thethingsnetwork.org/forum/u/d00m)\ **Replies:** 2\ **Last updated:** [September 28, 2023, 3:33pm UTC](https://www.thethingsnetwork.org/forum/t/cubecell-ab01-ab02-src-and-dest-addresses/64958 "2023-09-28T15:33:26Z")
how to add to these devices ability to work with “addresses” or “ID’s”? I would like to send/receive data and know which exactly device send the packet… for example, in library RadioHead from airspayce.com - it works a… --- ## [Heltec AB01 - my first LoraWAN sensor, need help with two issues](https://www.thethingsnetwork.org/forum/t/heltec-ab01-my-first-lorawan-sensor-need-help-with-two-issues/48945)
**Author:** [@TomekN](https://www.thethingsnetwork.org/forum/u/TomekN)\ **Replies:** 7\ **Last updated:** [August 27, 2023, 8:28am UTC](https://www.thethingsnetwork.org/forum/t/heltec-ab01-my-first-lorawan-sensor-need-help-with-two-issues/48945 "2023-08-27T08:28:10Z")
Hi! I’m pretty new to LoraWAN but made an attempt to build a sensor for my letterbox. I’ve bought and installed a public gateway (Mikrotik LR8) I’ve bought HTCC-AB01 dev board, two reed switches and a 1000mAh LiPo batt… --- ## [Heltec Cubecell AB01 analog read / max voltage](https://www.thethingsnetwork.org/forum/t/heltec-cubecell-ab01-analog-read-max-voltage/41256)
**Author:** [@HansES](https://www.thethingsnetwork.org/forum/u/HansES)\ **Replies:** 13\ **Last updated:** [June 2, 2023, 9:07am UTC](https://www.thethingsnetwork.org/forum/t/heltec-cubecell-ab01-analog-read-max-voltage/41256 "2023-06-02T09:07:29Z")
Can anyone who is more experienced with the Heltec Cubecell AB01 board tell me which pins I can use for analogRead() from a sensor? My sensor output is 0-5 volt, do I need to reduce this to 0-3.3 volt? --- ## [Cubecell and sensor BMP180](https://www.thethingsnetwork.org/forum/t/cubecell-and-sensor-bmp180/60362)
**Author:** [@emes](https://www.thethingsnetwork.org/forum/u/emes)\ **Replies:** 2\ **Last updated:** [December 28, 2022, 12:07pm UTC](https://www.thethingsnetwork.org/forum/t/cubecell-and-sensor-bmp180/60362 "2022-12-28T12:07:36Z")
Hi I use heltec cubecell and BMP180 sensor. It works fine. Data goes up to ttn gateway, to TTN and to Tagoio. I dont have any payload parser installed yet so i got payload as : 0000c0418096c5475f9b56410002 I can not fi… --- ## [Problems establishing a connection with CubeCell DevBoard](https://www.thethingsnetwork.org/forum/t/problems-establishing-a-connection-with-cubecell-devboard/36755)
**Author:** [@tabeatheunicorn](https://www.thethingsnetwork.org/forum/u/tabeatheunicorn)\ **Replies:** 5\ **Last updated:** [March 14, 2022, 5:04pm UTC](https://www.thethingsnetwork.org/forum/t/problems-establishing-a-connection-with-cubecell-devboard/36755 "2022-03-14T17:04:13Z")
I just got a CubeCell Board to replace my formerly used Heltec LoRa V2 Board. I tried to use the LoRaWan example provided by CubeCell in the Arduino Boardmanager (comes in quite handy, I used lmic before but that doesn’t… --- ## [Problem in transmission on TTN and Helium network with CubeCell Dev-Board HTCC-AB01](https://www.thethingsnetwork.org/forum/t/problem-in-transmission-on-ttn-and-helium-network-with-cubecell-dev-board-htcc-ab01/54486)
**Author:** [@armisim99](https://www.thethingsnetwork.org/forum/u/armisim99)\ **Replies:** 12\ **Last updated:** [March 9, 2022, 8:59am UTC](https://www.thethingsnetwork.org/forum/t/problem-in-transmission-on-ttn-and-helium-network-with-cubecell-dev-board-htcc-ab01/54486 "2022-03-09T08:59:56Z")
Hi everyone, I have a problem with the ubeCell Dev-Board HTCC-AB01, I cannot transmit data on the TTN and on the Helium network, I don’t understand where I am wrong, I am attaching the code: The netmode used is OTAA. #… --- ## [Heltec CubeCell AB01 on TTN V3](https://www.thethingsnetwork.org/forum/t/heltec-cubecell-ab01-on-ttn-v3/47391)
**Author:** [@TIS](https://www.thethingsnetwork.org/forum/u/TIS)\ **Replies:** 9\ **Last updated:** [February 23, 2022, 10:30pm UTC](https://www.thethingsnetwork.org/forum/t/heltec-cubecell-ab01-on-ttn-v3/47391 "2022-02-23T22:30:34Z")
My Heltec Cubecell AB01 boards work fine on TTN V2 ABP. Now I want to test one on V3 but the information on the Heltec site is outdated, the instructions describe TTN V2. I also wonder if the example sketch ‘LoRaWan’ is… --- ## [Uplinks get lost in V3, and too many downlinks](https://www.thethingsnetwork.org/forum/t/uplinks-get-lost-in-v3-and-too-many-downlinks/52669)
**Author:** [@KapiteinRob](https://www.thethingsnetwork.org/forum/u/KapiteinRob)\ **Replies:** 2\ **Last updated:** [October 28, 2021, 7:33am UTC](https://www.thethingsnetwork.org/forum/t/uplinks-get-lost-in-v3-and-too-many-downlinks/52669 "2021-10-28T07:33:13Z")
I am measuring temperatures in my beehives. Setup: cubecell-AB01, EU868, ABP, ADR=off, UNCONFIRMED uplinks, measurement every 15 minutes, deepsleep in between. My own Things Indoor gateway handles all traffic. This wor… --- ## [Joing TTN with a COM.X M5STACK](https://www.thethingsnetwork.org/forum/t/joing-ttn-with-a-com-x-m5stack/51309)
**Author:** [@Denfert31](https://www.thethingsnetwork.org/forum/u/Denfert31)\ **Replies:** 3\ **Last updated:** [September 5, 2021, 5:22pm UTC](https://www.thethingsnetwork.org/forum/t/joing-ttn-with-a-com-x-m5stack/51309 "2021-09-05T17:22:26Z")
Hi there, I currently do my best to join the network using a COM.X M5STACK node and would be pleased to have a bit of help from the community. My device is: https://docs.m5stack.com/en/module/comx\_lorawan It has a He… --- ## [Unable to join - Rx timeout](https://www.thethingsnetwork.org/forum/t/unable-to-join-rx-timeout/48741)
**Author:** [@Andrew\_Moss](https://www.thethingsnetwork.org/forum/u/Andrew_Moss)\ **Replies:** 9\ **Last updated:** [June 13, 2021, 11:33am UTC](https://www.thethingsnetwork.org/forum/t/unable-to-join-rx-timeout/48741 "2021-06-13T11:33:23Z")
My first time posting so please be gentle. I have been following an example to setup a Lora weather station. I have deployed a gateway with balena basic station with a rak2287 On the node side I have a cubecell htcc-a… --- ## [CubeCell HTCC AB02 "TODORSSI" error joining network](https://www.thethingsnetwork.org/forum/t/cubecell-htcc-ab02-todorssi-error-joining-network/48494)
**Author:** [@B3nn0](https://www.thethingsnetwork.org/forum/u/B3nn0)\ **Replies:** 3\ **Last updated:** [June 7, 2021, 1:01am UTC](https://www.thethingsnetwork.org/forum/t/cubecell-htcc-ab02-todorssi-error-joining-network/48494 "2021-06-07T01:01:19Z")
I’m just doing some basic testing with a CubeCell AB-02 and while I’ve got some success in connecting, I’m getting this error message. This is my first device on the v3 stack :slight\_smile: “message\_format”: "wrong val… --- ## [CubeCell AB02 OLED power off for deep sleep](https://www.thethingsnetwork.org/forum/t/cubecell-ab02-oled-power-off-for-deep-sleep/45008)
**Author:** [@Adlerkiez-IOT](https://www.thethingsnetwork.org/forum/u/Adlerkiez-IOT)\ **Replies:** 1\ **Last updated:** [March 20, 2021, 8:57pm UTC](https://www.thethingsnetwork.org/forum/t/cubecell-ab02-oled-power-off-for-deep-sleep/45008 "2021-03-20T20:57:42Z")
I have a HTCC-AB02 and without the OLED initialized, the deep sleep current with my connected MHZ19 sensor (via P-MOSFET at Pin14) is below 10 µA. But when the OLED display is initialized with display.init(), the deep sl… --- ## [CubeCell AB02 with MH-Z19 CO2 sensor on Vext](https://www.thethingsnetwork.org/forum/t/cubecell-ab02-with-mh-z19-co2-sensor-on-vext/44570)
**Author:** [@Adlerkiez-IOT](https://www.thethingsnetwork.org/forum/u/Adlerkiez-IOT)\ **Replies:** 2\ **Last updated:** [March 1, 2021, 5:21pm UTC](https://www.thethingsnetwork.org/forum/t/cubecell-ab02-with-mh-z19-co2-sensor-on-vext/44570 "2021-03-01T17:21:46Z")
Hi, does anybody have experience with CubeCell AB02 and a MH-Z19 sensor connected via a 3.3 to 5V step-up device HW-668 connected to Vext? My sketch from the MHZ19 library does not work, if the step-up device is connec… --- ## [ADC fluctuates on Heltec Cubecell AB01](https://www.thethingsnetwork.org/forum/t/adc-fluctuates-on-heltec-cubecell-ab01/44316)
**Author:** [@HansES](https://www.thethingsnetwork.org/forum/u/HansES)\ **Replies:** 9\ **Last updated:** [February 17, 2021, 8:03am UTC](https://www.thethingsnetwork.org/forum/t/adc-fluctuates-on-heltec-cubecell-ab01/44316 "2021-02-17T08:03:05Z")
My Heltec Cubecell AB01 is powered via the USB connection of the PC and the serial monitor is running. I connected a PSI pressure sensor to 3.3 volts (which is stable), GND and the ADC pin. When I use the Heltec ADC dem… --- ## [Heltec CubeCell FCC certification](https://www.thethingsnetwork.org/forum/t/heltec-cubecell-fcc-certification/41853)
**Author:** [@hunter8801](https://www.thethingsnetwork.org/forum/u/hunter8801)\ **Replies:** 9\ **Last updated:** [January 15, 2021, 1:36am UTC](https://www.thethingsnetwork.org/forum/t/heltec-cubecell-fcc-certification/41853 "2021-01-15T01:36:26Z")
I had sent a private message about CE and FCC certification. --- ## [Heltec Cubecell AB01 with SHT20 sensor](https://www.thethingsnetwork.org/forum/t/heltec-cubecell-ab01-with-sht20-sensor/42785)
**Author:** [@HansES](https://www.thethingsnetwork.org/forum/u/HansES)\ **Replies:** 4\ **Last updated:** [January 10, 2021, 6:29pm UTC](https://www.thethingsnetwork.org/forum/t/heltec-cubecell-ab01-with-sht20-sensor/42785 "2021-01-10T18:29:08Z")
Ater a frustrating sunday afternoon, I’m almost ready to give up. My last attempt is to seek help here. On a Heltec Cubell AB-01 with an SHT20 sensor I use the sketch below that transmits the temperature, humidity and b… --- ## [Heltec Cubecell HTCC AB-01 with BMP280 sensor](https://www.thethingsnetwork.org/forum/t/heltec-cubecell-htcc-ab-01-with-bmp280-sensor/41716)
**Author:** [@HansES](https://www.thethingsnetwork.org/forum/u/HansES)\ **Replies:** 15\ **Last updated:** [December 4, 2020, 12:32pm UTC](https://www.thethingsnetwork.org/forum/t/heltec-cubecell-htcc-ab-01-with-bmp280-sensor/41716 "2020-12-04T12:32:32Z")
I am experimenting with using a BMP280 I2C sensor on a Heltec Cubecell (HTCC AB-01) board, for the time being without LoRa, so simply measuring temperature and humidity. None of the libraries I tried, like those from Ad… --- ## [15% discount coupon for Heltec CubeCell Series](https://www.thethingsnetwork.org/forum/t/15-discount-coupon-for-heltec-cubecell-series/36782)
**Author:** [@hunter8801](https://www.thethingsnetwork.org/forum/u/hunter8801)\ **Replies:** 2\ **Last updated:** [May 8, 2020, 8:52am UTC](https://www.thethingsnetwork.org/forum/t/15-discount-coupon-for-heltec-cubecell-series/36782 "2020-05-08T08:52:09Z")
After a long research and development process, in the difficult COVID-19 epidemic, CubeCell based on the ASR6502 chip was finally released. This time a total of five new products were released. CubeCell Dev-Board Plus:… --- ## [CubeCell Dev-Board HTCC-AB01 from Heltec - Downlink](https://www.thethingsnetwork.org/forum/t/cubecell-dev-board-htcc-ab01-from-heltec-downlink/39958)
**Author:** [@Ruedi\_68](https://www.thethingsnetwork.org/forum/u/Ruedi_68)\ **Replies:** 24\ **Last updated:** [October 18, 2020, 8:43am UTC](https://www.thethingsnetwork.org/forum/t/cubecell-dev-board-htcc-ab01-from-heltec-downlink/39958 "2020-10-18T08:43:07Z")
I am a newbie and try to get downlink Data from TTN to my CubeCell Dev-Board HTCC-AB01 from Heltec. UpIoad works well and I see the uploaded data in TTN. I try to do it by using “Downlink” with dummy data in TTN and run… --- ## [Heltec Cubecell: downlink messages of unknown origin](https://www.thethingsnetwork.org/forum/t/heltec-cubecell-downlink-messages-of-unknown-origin/39867)
**Author:** [@niehaus](https://www.thethingsnetwork.org/forum/u/niehaus)\ **Replies:** 10\ **Last updated:** [September 14, 2020, 11:01pm UTC](https://www.thethingsnetwork.org/forum/t/heltec-cubecell-downlink-messages-of-unknown-origin/39867 "2020-09-14T23:01:53Z")
I got a Heltec Cubecell board to use it as a ttnmapper together with my mobile phone. I took the the example code “LoraWAN” for the Heltec Cubecell board and modified it so it sends a null message (appDataSize = 0;). LO… --- ## [Current consumption CubeCell HTCC AB-01](https://www.thethingsnetwork.org/forum/t/current-consumption-cubecell-htcc-ab-01/38812)
**Author:** [@JuanSebastianMejiaR](https://www.thethingsnetwork.org/forum/u/JuanSebastianMejiaR)\ **Replies:** 17\ **Last updated:** [July 28, 2020, 4:39pm UTC](https://www.thethingsnetwork.org/forum/t/current-consumption-cubecell-htcc-ab-01/38812 "2020-07-28T16:39:32Z")
Hello, I am developing a project to remotely control the movement of a motor (left or right) using LoRaWAN protocol. I have a CubeCell HTCC AB-01 module and a UG87 gateway. I already have the code ready in Arduino IDE us… --- ## [CubeCell LoRa+reading PWM from sensor](https://www.thethingsnetwork.org/forum/t/cubecell-lora-reading-pwm-from-sensor/38664)
**Author:** [@aaz1n19](https://www.thethingsnetwork.org/forum/u/aaz1n19)\ **Replies:** 29\ **Last updated:** [July 23, 2020, 11:17am UTC](https://www.thethingsnetwork.org/forum/t/cubecell-lora-reading-pwm-from-sensor/38664 "2020-07-23T11:17:02Z")
Hi everyone! I am facing some problems reading data from mb1040 ultrasonic sensor (see link below) and send it using LoRa. I managed to read the distance reading in its own script, without sending data via LoRa. I also… --- ## [Heltec CubeCell - part 1](https://www.thethingsnetwork.org/forum/t/heltec-cubecell-part-1/30684)
**Author:** [@rodri16](https://www.thethingsnetwork.org/forum/u/rodri16)\ **Replies:** 144\ **Last updated:** [May 21, 2020, 11:45am UTC](https://www.thethingsnetwork.org/forum/t/heltec-cubecell-part-1/30684 "2020-05-21T11:45:51Z")
By @bluejedi: This is the main topic for the new Heltec CubeCell Series products. The CubeCell products are based on the ASR650x series SiP (system-in-package) which combine a Cypress PSoC 4000 ARM Cortex-M0+ 32 bit… [Next page](https://www.thethingsnetwork.org/forum/c/nodes/cubecell/121.md?page=1)