Changelog

V1.18.0-dev 2025-12-07

New features:

  • MQTT publishing with optional TLS and configurable base topic

  • Updated LoRaWAN/TTN uplink: combined 18-byte payload with GM + THP + gas data, sensor type tagging, and JavaScript decoder

Fixes:

  • CI builds now auto-create src/config/config.hpp (no missing-config build failures)

  • Read the Docs build fixed by specifying OS/Python and installing docs/requirements.txt

Other changes:

  • Added support for BMP280/BME280/BME680 (temperature/pressure/humidity/gas) and gas resistance reporting

  • LoRa payload handling consolidated into send_ttn_combined; legacy THP uplink deprecated

  • Documentation cleanup: TTN payload moved to Sphinx (ttn_payload.rst), CI/CD docs added, legacy PDF/MD removed

  • Workflows split into build (push/PR) and release (tags); new helper tools/prepare_config.sh

  • Maintainer contact: friedjof@noweck.info

New features:

  • …

Fixes:

  • …

Other changes:

  • …

V1.16.0 2021-08-15

New features:

  • local radiation alarm sound, #427

Fixes:

  • audio isr fixes, #436

  • fix occasional reboots (hopefully), #314

Other changes:

  • logging related improvements / code cleanups:

    • emit log header now and then for better readability

    • add UTC timestamp to log output

    • unify radiation and t/h/p log output into single line, use “DATA” to mark these lines.

  • BLE support now implemented via NimBLE-Arduino lib

  • upgrade libs to current versions

  • use arduino-esp32 1.0.6

V1.15.1 2021-05-13

New features:

  • None

Fixes:

  • initialize sound and LED to “off”, #398

Other changes:

  • explicitly turn ticking off before melody/init

  • cosmetic: don’t touch LED in pauses between melody notes

  • upgrade to Adafruit BME680 Library >=2.0.0

  • add root cert “Amazon CA 1”

  • docs:

    • bluetooth: fix app links, fix reST formatting

    • fix typo in sensor.community domain

    • fixed switch numbering, #349

    • add supported counter tubes

    • create multigeiger-bill-of-material.txt

    • developer docs: bump master branch version to -dev after release

    • developer docs: update pulling translations from transifex

    • update translations

V1.15.0 2021-03-21

New features:

  • add bluetooth (BLE) support, #78

Fixes:

  • improve LoRaWAN stability (work around LMIC bug #677, add LMIC polling from loop()), #373

  • do async NTP/clock setup, #316

  • speaker: init “duty_mode” member in MCPWM config

  • avoid using IotWebConf 3.0.0 for now, #357, PR #370

Other changes:

  • patch: restore partition scheme menu for arduino-esp32 1.0.5

  • move CI from travis CI to github workflow

  • start screen cleanups, #335

  • code / naming style fixes

  • remove dates in file names, commit relevant versions to git

  • add drill files, #354

  • docs:

    • use transifex / sphinx / readthedocs.org for translatons (en/de for now)

    • document docs/translation workflow in development docs

    • added assembly and deployment guide

    • document esp32 board buttons, #129

    • document dip switch usage, #128

    • move README-{de,en}.* contents into the .rst docs

    • BLE usage documentation update with some images, #338

    • added links to map, ecocurious, assembly room

    • markup, rendering, spelling fixes, cleanups

    • fix unclear version / date in Aufbauanleitung, #110

    • moved links to docs -> resources, #223

    • add xkcd about radiation doses to FAQ, #310

V1.14.0 2020-05-16

New features:

  • implement status line on OLED display (see docs), #257

  • also support BME680 sensor for temperature, humidity, pressure

  • display time up to 60s / 60m / 24h / 99d, then roll over

  • speaker/LED: timer-driven sequencer, hw PWM sound, #35

  • TLS support

    • add clock module, use NTP to set the clock

    • use persistent per-server HTTPClient instances

    • use connection: keep-alive for web requests

    • add https capability (can be used for sending data)

    • note: transmission to sensor.community and madavi is still using http!

Fixes:

  • fixed GM pulse debouncing, #248

  • pulse counting: deal with microseconds uint32 overflow, #273

  • check WiFi status before trying to transmit

  • fix race condition, #286

Other changes:

  • dip switches: only read once at boot time, #207

  • new font (u8x8 uses 8px width anyway)

  • slow down main loop

  • toilet -> custom server, add comments about toilet usage, #214

  • refactor/simplify pulse counting ISR, bookkeeping in main loop, #220

  • refactor big main loop into smaller functions with local bookkeeping.

  • misc. other code cleanups

  • loraWan: removed unused/not needed code, #212, #234

  • removed meeting notes, #294

  • docs:

    • README improvements (board name, flash size, partition scheme, passwords, LoRa)

    • update development/release docs (create/test binaries, IDE settings, …)

V1.13.0 2020-04-14

  • auto-detect hardware (STICK vs. WIFI) by hardware pin

  • use config web page for more values (userdefines.h has the defaults), #140

  • try both adresses of BME280

  • LoRa payload changes, e.g. to fulfill ‘TTN Fair Access Policy’

  • send additional data to servers

  • send to MADAVI in one single request both geiger and thp data

  • new logging with DEFAULT_LOG_LEVEL configuration

  • integrated travis-ci:

    • for compile checks (platformio, wifi and stick build)

    • for style checks (using the “astyle” CPP checker)

  • source: modularization, cleanups, less globals, … (quite huge internal changes, please help testing!)

  • building:

    • platformio-based build: suppress lmic_project_config.h usage

    • arduino-ide-based build: you still need to edit that file

  • use bump2version tool for project version bumps, #169

  • docs:

    • added upgrade hints for 1.13 in README on github

    • https://multigeiger-v2.readthedocs.io/ == the beginning of new (sphinx / reST-markup based) online docs, #163

    • add a basic, short README in English (also for online docs)

    • include infos about project name, #121

    • moved changelog.md to docs/source/changes.rst

    • updated/fixed development docs, #46

    • update docs about new 5V power supply / cabling, #122

    • description of LoRa Payload updated

    • other docs improvements / fixes

V1.12.0 2020-01-18

  • simple OTA (Over-The-Air) updates via web browser based upload, #120

  • use less charge pulses in loop() for timing, more in setup() for initial charging, #134

  • output error msg on Serial if HV charging fails

  • tag log output with “GEIGER: “, #85

  • add TUBE_UNKNOWN 0 to have a specific value for experimenting

  • adapted platformio.ini to pull all dependencies

  • send CR and LF on serial

  • changed default tube from sbm-20 to si22g

  • semantic versioning, version numbers now like x.y.z

  • changed building of revString and lora_version

  • docs updated / improved

  • explain SBM-19/SBM-20 conversion factor

  • removed IotWebconf bundled&patched code, used as a lib now.

V1.11.1 2019-12-16 rxf

  • change luftdaten.info to sensor.community

V1.11.0 2019-12-16 rxf

  • defaults in userdefines-example.h changed

  • Software version for LoRa now 2 Bytes

  • Display start screen for Wireless stick fixed

  • changed to semantic versioning

V1.10 2019-12-13

  • conversion factor for Si22G tube fixed

  • char variables changed to int

  • isr routines shielded with portMUX

  • debug serial out formatting improved

  • sequence of counting and dispaying and hv charging improved

  • speaker and led tick fixed

  • many calls to millis() consolidated

V1.9 2019-11-12

  • structure for different counter tubes

  • LoRa payload changed again

  • hv pulse every second

  • calculate and display cpm value every 10 seconds

  • fixed div by 0 if there’s no tube

  • Readme corrected

V1.8 2019-11-04

  • indentation/spacing, refactor OLED functions, fix conversion factor

  • MEASUREMENT_INTERVAL 150sec

  • changed LoRa payload

V1.7 2019-10-21

  • PINs rearranged, so we can use new Wifi-Kit-32 and WiFi Stick Light

  • Hardware-Layout V1.4 and up

  • use switch for speaker tick and display off

V1.61 2019-09-30

  • default measuring interval is now 2.5min

V1.6 2019-09-13

  • some rearrangement of files

  • userdefine.h for user changable #defines

  • test with dip-switch (needs pullup resistors!)

  • Hardware layout V1.3 and lower - OLD Wifi-Kit-32!

V1.5 2019-09-11

  • added BME280 (uses same I2C as display)

  • Support for display on Wireless Stick

  • For LoRa-Devices added LoRa functionality

V1.4 2019-09-03

  • default configuration with measurement interval of 10min

V1.3 2019-09-03

  • building of ESP-ID out of MAC address is now identical to ‘Feinstaubsensor’

V1.2 2019-09-02

  • sending to madavi corrected

V1.1 2019-09-01

  • Library IoTWebConfig changed -> function ‘setThingName’ added

  • Move this (IoTWebConfig) library to source path

  • building the SSID from the MAC corrected: first 3 Bytes of MAC build SSID

  • LoRa autodetection removed

V1.0 2019-08-19 rxf

  • added detection of LoRa device

  • WiFiManager to enter WLAN data and other configs

  • send to luftdaten.info every 2.5 min

V0.3 2019-05-12 jb

  • added bug fix for the “Double-Trigger-Problem”. This was caused by the rising edge falsly triggering an other pulse recording. The Problem is that there is no Schmitt-Trigger available in the controller.

  • simplified serial printing modes

  • made seconds in Display as inverse to be able to separate it from minutes

  • cleaned up the code

  • Fixed overflow bug in Minute-Count+

V0.2 2019-04-26 jb

  • added 1 Minute RS232 (USB) logging mode

V0.1 2019-03-25 jb

  • first version for ESP32 board