Issues

• Buffer overflow in LoRa RX example sketches: unbounded radio-reported length copied into fixed 30-byte buffer (~40 copies across examples)

  HelTecAutomation/Heltec_ESP32#246 · Filter by author router0mail opened on Sep 19, 2026

• WiFi LoRa 32 V4.3 L76K GPS not producing UART data

  HelTecAutomation/Heltec_ESP32#245 · Filter by author MHBASS opened on Aug 24, 2026

• problems with deepsleep of Heltec Vision Master E290 is 2mA instead of the 20uA which is mentioned.

  HelTecAutomation/Heltec_ESP32#243 · Filter by author Fer-byte-123 opened on Aug 7, 2026
  1

• Example GPSDisplayonTFT not working for Wireless Tracker v.2

  HelTecAutomation/Heltec_ESP32#242 · Filter by author blackhold opened on Aug 1, 2026

• Cannot Display Text - ESP32_Lora_V4

  HelTecAutomation/Heltec_ESP32#237 · Filter by author jlt206 opened on May 25, 2026

• Low-power firmware for Heltec v3 & v4

  HelTecAutomation/Heltec_ESP32#236 · Filter by author ivanfulan opened on May 20, 2026

• Typo in image calibration parameter

  HelTecAutomation/Heltec_ESP32#234 · Filter by author bartslinger opened on May 13, 2026

• HT_st7735: SPI.transfer() on DROM buffer causes StoreProhibited / Cache error crash on ESP32 core 3.x

  HelTecAutomation/Heltec_ESP32#233 · Filter by author MichielBruijn opened on Apr 26, 2026

• Display Rotate Not Implemented?

  HelTecAutomation/Heltec_ESP32#231 · Filter by author Balkirprpl opened on Apr 23, 2026

• Heltec LoRa 32 V4 with PlatformIO: A solution

  HelTecAutomation/Heltec_ESP32#223 · Filter by author paulmarx-dev opened on Feb 8, 2026

• Heltech V4 Touch - Can't connect to node over TCP - Connection Refused

  HelTecAutomation/Heltec_ESP32#218 · Filter by author tangles-0 opened on Jan 20, 2026
  1

• Clairu – Natural Brain Support for Mental Clarity and Focus

  HelTecAutomation/Heltec_ESP32#217 · Filter by author clairuget-lgtm opened on Jan 19, 2026

• [Bug] Heltec Library compile error on PlatformIO for Wireless Stick Lite V3 (ESP32-S3): 'GPIO_PIN_COUNT' undeclared

  HelTecAutomation/Heltec_ESP32#211 · Filter by author marccap2002 opened on Dec 16, 2025
  1

• Wireless Bridge BLE LoRa example missing

  HelTecAutomation/Heltec_ESP32#210 · Filter by author mentarus opened on Dec 16, 2025

• Heltec Wireless Stick Lite: Lorawan Uplink not working

  HelTecAutomation/Heltec_ESP32#206 · Filter by author deepkap opened on Nov 23, 2025

• Heltec LoRa 32(V2) Example LoraWan not working

  HelTecAutomation/Heltec_ESP32#204 · Filter by author dm6tt opened on Nov 10, 2025
  1

• Wireless_paper_1.2

  HelTecAutomation/Heltec_ESP32#203 · Filter by author martijnvwezel opened on Nov 1, 2025

• Problems with OLED using Heltec LoRa 32 V3.2

  HelTecAutomation/Heltec_ESP32#198 · Filter by author JuanMendez02 opened on Sep 23, 2025

• expansion of macro 'TEMPERATURE_SENSOR_CONFIG_DEFAULT'

  HelTecAutomation/Heltec_ESP32#196 · Filter by author IgorDePaula opened on Sep 17, 2025

• lora32 v3 not show on oled

  HelTecAutomation/Heltec_ESP32#194 · Filter by author mrCth opened on Sep 10, 2025

• Error compiling on file sx1276.c

  HelTecAutomation/Heltec_ESP32#191 · Filter by author md-stefano opened on Aug 24, 2025
  4

• HT-CT62 not supported in Heltec LoraWan Lib???

  HelTecAutomation/Heltec_ESP32#190 · Filter by author clihlt opened on Aug 1, 2025

• Make printDevParam() configurable to avoid printing sensitive keys

  HelTecAutomation/Heltec_ESP32#189 · Filter by author zerion87 opened on Jul 30, 2025

• RxTimeout does not work

  HelTecAutomation/Heltec_ESP32#186 · Filter by author shaun-dm-stewart opened on Jun 16, 2025
  1

• I'm attempting to read the battery voltage on my Heltec WiFi LoRa 32 V3. The voltage is consistently displayed as "0.00V" on the E-Ink screen.

  HelTecAutomation/Heltec_ESP32#184 · Filter by author parahooners opened on May 18, 2025