Issues

• TLS CA validation always fails (MQTT rc = -8 / WALTER_MODEM_MQTT_TLS) on GM02SP firmware UE8.2.1.0 — VALIDATION_NONE works

  QuickSpot/walter-arduino#152 · Filter by author mariomolinara opened on Jul 22, 2026
  1

  

• ## RS485 / Modbus RTU not working on Walter Feels — transceiver never responds

  QuickSpot/walter-arduino#145 · Filter by author jredon opened on May 8, 2026
  2

  

• Possible +SQNSMQTT line handled as payload during AT+SQNSMQTTRCVMESSAGE

  QuickSpot/walter-arduino#143 · Filter by author Bramasselman opened on May 1, 2026
  1

  

• v1.5.0 fails to compile on PlatformIO espressif32@6.13.0 (Arduino / ESP-IDF 4.4.7): missing spi_flash_mmap.h and esp_vfs_fat_spiflash_mount_rw_wl

  QuickSpot/walter-arduino#142 · Filter by author paultanger opened on Mar 14, 2026
  1

• aws_mqtt example: which CA certificate for AWS IoT ATS endpoints?

  QuickSpot/walter-arduino#140 · Filter by author Bramasselman opened on Mar 4, 2026
  4

  

• mnc should be uint16

  Bug

  QuickSpot/walter-arduino#135 · Filter by author devArnoud opened on Feb 9, 2026
  

• CONFIG_WALTER_MODEM_ENABLE_BLUECHERRY=0 results in compilation error

  QuickSpot/walter-arduino#131 · Filter by author solderdev opened on Jan 30, 2026
  1

• Using CoAP with DTLS

  QuickSpot/walter-arduino#122 · Filter by author sebastianknopf opened on Dec 14, 2025
  4

  

• Add support for modem based SMS

  QuickSpot/walter-arduino#119 · Filter by author daanpape opened on Nov 19, 2025

• Walter module no serial output

  QuickSpot/walter-arduino#118 · Filter by author torntrousers opened on Nov 12, 2025
  14

  

• Longitude returned as positive, when in fact is negative

  QuickSpot/walter-arduino#115 · Filter by author MatthewHanscombe opened on Oct 28, 2025
  10

• [bug] SPI_FLASH_SEC_SIZE not declared when MOTA not enabled

  Bug

  QuickSpot/walter-arduino#67 · Filter by author devArnoud opened on Jul 11, 2025
  

• GNSS without network connectivity

  documentation
  QuickSpot/walter-arduino#39 · Filter by author marjatta86 opened on Jun 4, 2025
  1

  

• Implement Arduino network Client based class?

  help wanted
  QuickSpot/walter-arduino#26 · Filter by author anthonyhoegberg opened on Feb 26, 2025
  

• Add read local time option to WalterModem library

  enhancement
  QuickSpot/walter-arduino#25 · Filter by author nammto opened on Feb 24, 2025
  2

  

• Fatal Error

  Bug

  QuickSpot/walter-arduino#21 · Filter by author felmue opened on Feb 6, 2025
  3

  

• [Example] AT Command library communication

  enhancement
  QuickSpot/walter-arduino#17 · Filter by author Fleaurent opened on Dec 19, 2024
  3

• [feature] Ability to add command timeout dynamically

  enhancement
  QuickSpot/walter-arduino#16 · Filter by author kgrimsby opened on Nov 25, 2024 · v1.5.0