Versions.md

NRZ-2020-133 online since 2020-11-29

• same as NRZ-2020-132-B3

NRZ-2020-132-B3

• Move favicon.ico fetching last

NRZ-2020-132-B2

• Adjust /metrics to be OpenMetrics protocol compatible
• Track last Wifi disconnect reason in Device Status page
• Rework SDS011 response handling to remain non-blocking

NRZ-2020-132-B1

• next beta version

NRZ-2020-131 online since 2020-10-17

• same as NRZ-2020-130-B11

NRZ-2020-130-B11

• Remove floating point subroutines from IRAM (related to #789)
• Show clearly in webui whether we have BME280 or a BMP280

NRZ-2020-130-B10

• Show GPS date+time also as datetime timestamp
• Reduce loop size (Related to #789)

NRZ-2020-130-B9

• WebUI Styling refresh
• GPS date+time is now sent as datetime timestamp

NRZ-2020-130-B8 (online/beta Sep 5th)

• Update ArduinoCore to 2.7.4 to fix WPA downgrade issue (CVE-2020-12638)

NRZ-2020-130-B7

• Disabled Tera Sensor Next PM from build until conflicts with other sensors can be resolved
• Fix crash on enabling OLEDs (Fixes #671)
• Disabled IPv6 for stable release
• Force I2C clock to 100k for better compatibility with sensors (Fixes #735)
• Update ArduinoJson to 6.16.1

NRZ-2020-130-B6

• show new ID
• rebranding to Sensor.Community
• Tera Sensor Next PM sensor added

NRZ-2020-130-B5

• Slovak translations added

NRZ-2020-130-B4

• Prevent password leakage in configuration dialogs
• Change default password for webpage auth to ""
• Ignore measurement interval settings below 5s
• Track API sending errors for each API separately

NRZ-2020-130-B3

• Serial debug output on webpage
• Refactoring

NRZ-2020-130-B2

• Avoid crash on WiFi network scan failure (Related to #615)
• Only do OTA after sensor measurements are finished
• Remove uninitialized memory read in NTP handling
• Accept larger flash sizes also as compatible
• Switch to a tab based configuration page
• Skip initialization of display's when not configured
• Delay OneWire initialization until configured
• Fix bulgarian translation error (Fixes #622)
• Fix hang on BME/P280 measurement read
• Connect up to wifi channel 13 if locale is not EN (Fixes #626)
• Use IPv6 LWIP (Related to #605)
• Add configurable temperature correction (Fixes #607)

NRZ-2020-130-B1

• next beta version

NRZ-2020-129 online since 2020-01-07

• same as NRZ-2019-128-B8 (+build date is shown in header)

NRZ-2019-128-B8

• Improve NTP handling and status reporting
• Fix weird placement of "save and restart" button in config
• Fix handling of short intervals with SDS011 (Fixes #426)
• Erase SDK config on OTA restart (Fixes #590)
• Add link to report an issue to web ui
• Add self-test
• Split less recommended sensors into a subsection of config page (Fixes #171)

NRZ-2019-128-B7

• More introspection status for OTA and sending errors
• Resorting Language selection alphabetically
• Disable language and beta selector when OTA is disabled

NRZ-2019-128-B6

• Fix crash on device status page in some locales

NRZ-2019-128-B5

• Avoid calling wifi off on startup which seems to cause some issues (Fixes #598)

NRZ-2019-128-B4

• perfom blocking reads on SDS011 serial responses
• Add Device Status webpage
• Set DHCP hostname to the firmware config wifi name (Fixes #595)
• Polish translation fixes
• Mark potentially destructive actions with red highlight (idea from nettigo FW)
• Add support for LCD 2004 on I2C 0x3F address

NRZ-2019-128-B3

• Fix startup hang on wifis without NTP access (#580)
• Update SHT3.x to 1.1.6

NRZ-2019-127-1 (intermediate version) online since 2019-12-03

• same as NRZ-2019-127-B2

NRZ-2019-128-B2

• Initialize MDNS after wifi to restore functionality

NRZ-2019-128-B1

• next beta version

NRZ-2019-127 online since 2019-12-02

• same as NRZ-2019-126-B9

NRZ-2019-126-B9

• Update to Arduino Core 2.6.2 to fix WiFi stability issues

NRZ-2019-126-B8

• Updated translations
• Collect error counters
• Serbian localization added

NRZ-2019-126-B7

• Updated italian translations - thanks stewecar
• Fix instabilities in SDS011 measurement decoding

NRZ-2019-126-B6

• Read SDS011 version once on startup
• Discard power-on self-test dust sensor measurements
• Do not store WiFi station credentials in SDK protected flash
• Switch to ArduinoJson 6.13
• show SDS011 manufacturing date in values HTML page
• Update to Arduino Core 2.6.1, including many fixes for SSL, WiFi and SoftwareSerial
• Update SHT3.x to 1.1.5

NRZ-2019-126-B5

• Rename Luftdaten.info to Sensors.Community everywhere
• Report the submitted wifi signal quality level in the web UI
• Keep WiFi information persistent over restarts
• Perform WiFi Tx power calibration on boot

NRZ-2019-126-B4

• Try to configure system time from 3 different NTP sources
• When system time is invalid, disable TLS verification
• Use TLS for Feinstaub-App reporting

NRZ-2019-126-B3

• OTA updater validates loader checksums prior update
• Maintain config setting backups and fall back if current version is corrupt
• Code cleanups
• Fix regression in Humidity Reading of BME280
• Fix regression in logging to Feinstaub App

NRZ-2019-126-B2

• Switch to Arduino Core 2.5.2
• Switch OTA updater to use TLS with server certificate verification
• SSL server certificate verification for Madavi, Sensor Community and OpenSensemap
• Update ESPSoftwareSerial to 5.0.4
• Add support for Sensirion SHT3x Temperature/Humidity sensors
• Code size optimisations
• Fix pressure precision of BMP/BME280

NRZ-2019-126-B1

• next beta version

NRZ-2019-125-B1

• Revert unintentional default senseboxid change

NRZ-2019-125 online since 2019-10-31

• same as NRZ-2019-124-B10 (+ renaming PM value names for SDS30)

NRZ-2019-124-B10

• Persist Wifi configuration in flash
• Rewrite config using current format when version changes
• Fix truncation of wifi password
• prometheus endpoint: esp prefix was missing

NRZ-2019-124-B9

• Handle Si7021 for HTU21d replacement
• Fix GPS regression

NRZ-2019-124-B8

• bug fixes
• translation updates

NRZ-2019-124-B7

• Fix update checking interval

NRZ-2019-124-B6

• noise sensor added
• Sensirion SPS30 added
• option to flip OLED output
• Fix crash on selecting available networks in AP mode
• add options to disable display of wifi and device infos
• Code size optimisations
• Serve config pages incrementally to avoid running out of memory
• Write more compliant config JSON
• Advertise as http://airrohr-$espid.local/ in AP mode
• BMP280/BME280 sensors are merged into one implementation
• Switch OTA updater two a two-Stage implemenation allowing more than 512kb of sketch size
• Fix memory corruption when using displays
• Reduce memory consumption in data sending which allows keeping the HTTP server available

NRZ-2019-124-B5

• some comments removed
• Var2Json casts optimized
• new name "airRohr"
• new logo (license CC0)

NRZ-2019-124-B4

• wrong variable use in PMSx003 function
• showing text on wrong LCD display

NRZ-2019-124-B4

• SSL options for custom and influxdb added

NRZ-2019-124-B3

• merged changes for aircms support
• some optimizations of html code
• changes for support of ESP32 (not working completely until now)

NRZ-2018-124-B2

• redefine function overload

NRZ-2018-124-B1

• code cleanup

NRZ-2018-123 online since 2018-12-23

• set CPUFreqency to 160MHz (for faster TLS handling)

NRZ-2018-123 online since 2018-12-23

• same as NRZ-2018-122-B1

NRZ-2018-122-B1

• try NTP server given by dhcp first
• try router/gateway as NTP server as third
• handle ntp time setting
• turkish translation added
• compile with Arduino esp8266 lib 2.4.2

NRZ-2018-121C online since 2018-12-03

• disable HTTPS as default

NRZ-2018-121B online since 2018-12-03

• added danish translation
• limit SNTP retries to 15 seconds

NRZ-2018-121B online since 2018-12-03

• back to Arduino esp8266 lib 2.3

NRZ-2018-121A online since 2018-12-03

• disabled cert verify

NRZ-2018-121 online since 2018-12-02

• same as NRZ-2018-121

NRZ-2018-120-B1

• added first parts for change to BearSSL
• changed SSL as default to non-SSL

NRZ-2018-117 online since 2018-11-19

• same as NRZ-2018-116-B1

NRZ-2018-116-B1

• disabling cert verification, seems to need too long, blocking server resources

NRZ-2018-115 online since 2018-11-19

• same as NRZ-2018-114-B2

NRZ-2018-114-B2

• more code cleanup
• replacing default Arial_MT font with Roboto_Mono_9

NRZ-2018-114-B1

• going back to beta
• more code cleanup
• reactivated sending as CSV to serial

NRZ-2018-113 NOT published

• same as NRZ-2018-112-B5

NRZ-2018-112-B5

• more merged pull requests (fmeerkoetter), i.e. move font to own include file
• move ca cert to own include file

NRZ-2018-112-B4

• merged pull requests (fmeerkoetter), i.e. refactoring some functions, memory optimizations
• added translations

NRZ-2018-112-B3

• changing config to restart after every change/save
• translations (PROGMEM var names from german to english)

NRZ-2018-112-B3

• verify certificates for HTTPS connections to Luftdaten.info and Madavi.de API (works only with Let's Encrypt certs)
• memory optimizations

NRZ-2018-112-B2

• merged pull requests (fmeerkoetter) typedef, duplicate code in function
• same read function for all Plantower sensors

NRZ-2018-112-B1

• setting PHY layer to 802.11n in station mode
• switching to Arduino EXP8266 library 2.4.2 (see README.md)
• added cert validation for API requests (Letsencrypt only at the moment)

NRZ-2018-111 online since 2018-09-20

• same as NRZ-2018-110-B11

NRZ-2018-110-B11

• config for sending data to "Feinstaub App" server
• corrected removing hidden SSIDs from wifi list

NRZ-2018-110-B10 removing debug output of wifi password

NRZ-2018-110-B9

• removing hidden SSIDs from wifi list
• another change for Captive portal support for iOS devices

NRZ-2018-110-B8

• changing back to previous version of Captive portal for iOS

NRZ-2018-110-B7

• adding SSL switch for API server (Luftdaten.info, Madavi.de, OpenSenseMap)
• changes added to avoid message "Initialize indices array with constant value" in some IDEs
• disable caching of config page, just in case that the client has received a blank page before
• modified Captive portal for iOS devices

NRZ-2018-110-B6

• shorter config page in AP mode
• removing 'save' buttons except the last on config page
• deleting password for AP mode (for WPA/WPA2) wasn't possible

NRZ-2018-110-B5

• captive portal should work with iOS devices also
• setting PHY layer 802.11g and max. signal strength just to be sure
• removing some unneeded wifi connects after wifi config

NRZ-2018-110-B4

• scan for wifi networks before going to config mode to avoid wifi mode changes
• select channel with lowest signal for AP mode

NRZ-2018-110-B3

• cosmetic changes to get rid of some compiler warnings

NRZ-2018-110-B2

• changed deprecated ArduinoJSON function calls

NRZ-2018-110-B1

• setting wifi mode to AP only in config mode

NRZ-2018-109 online since 2018-09-04

• same as NRZ-2018-108-B1

NRZ-2018-108-B1

• wrong string in BMP280 function

NRZ-2018-107 online since 2018-08-09

• same as NRZ-2018-106-B1

NRZ-2018-106-B1

• OLED SH1106 only showing text if SSD1306 if enabled
• LCD2004 only showing text if LCS1602 is enabled

NRZ-2018-105 online since 2018-08-07

• same as NRZ-2018-104-B12

NRZ-2018-104-B12

• config page didn't load before the first measurement seems it was a memory problem removing some unneeded html reduced size to 9,5kByte, page is loading

NRZ-2018-104-B11

• wrong comparison in influx config
• combining pm sensor functions (start, stop, continuous mode)

NRZ-2018-104-B10

• one definition per interface (I2C, one wire, serial sensors, serial gps)

NRZ-2018-104-B9

• added missing '/' in path for API Madavi.de

NRZ-2018-104-B8

• switched to actual version of DHT library as local copy with changes for ESP8266 timing and pins

NRZ-2018-104-B7

• wrong comparison for default opensensemap box id

NRZ-2018-104-B6

• changed string constants to defines
• removed unneeded string conversions
• more strings moved to flash

NRZ-2018-104-B5

• unneeded source code removed

NRZ-2018-104-B4

• freeing some RAM and flash memory after adding SH1106 OLED

NRZ-2018-104-B3

• handling of special chars in config json and config page (i.e ', ", )
• added support for OLED displays with SH1106 chipset
• some space optimisations

NRZ-2018-104-B2

• sending signal strength to InfluxDB
• optimizations in reading PM sensors
• disable sending data to OpenSenseMap with 'default' BoxID
• disable sending data to InfluxDB at Luftdaten.info (only used internally)
• character ' in text input fields (i.e. wifi SSID) should be displayed correctly

NRZ-2018-104-B1

• double quote in config strings (i.e. passwords) should work now

NRZ-2018-103 online since 2018-06-02

• same as NRZ-2018-102-B2

NRZ-2018-102-B2

• added Prometheus endpoint
• optimizing flash and memory usage

NRZ-2018-102-B1

• test with DHT sensor library 1.1.1 instead of 1.3.0

NRZ-2018-101

• same as NRZ-2017-100-B16

NRZ-2017-100 beta

• optimizing display function: more than one 'screen' for infos
• added dependencies for OneWire
• added wiring for new sensors to Readme.md
• added support for Honeywell PM sensor
• enable configurable usage of beta firmware
• removing Arduino Feather code
• version B4: right align values
• version B4: added display of DS18B20 and HTU21D values
• version B5: wpa2 password can be configured for sensor in AP mode
• version B5: more info to sensors on config page
• version B5: some flash memory optimizations
• version B5: parseable data.json before first measurement
• version B5: GPS data on value page
• version B6: added swedish translations
• version B6: error in start/stop commands corrected
• version B7: showing GPS data on displays
• version B7: wrong output on config save corrected
• version B7: double date/time on values page corrected
• version B7: changed codefor logo to png
• version B8: new TinyGPS++ 0.94a -> 0.95
• version B8: larger buffer for GPS SoftSerial
• version B8: removed INPUT_PULLUP for DHT22
• version B9: wrong value for signal quality was shown on display
• version B9: 'memory leak' removed
• version B9: added LICENSE.md
• version B10: reduced amount of NMEA messages
• version B10: don't fall back to plain HTTP on WPA2 wifi
• version B10: larger buffer for serialGPS
• version B11: new languages RU and CZ
• version B11: changed lib for HTU21D from Sparkfun to Adafruit
• version B11: added LCD2004 display
• version B11: debug infos on LCD displays
• version B11: changed BME280 to forced measurements to get more accurate temperature values
• version B11: corrected error in sending HTU21D data to luftdaten.info API
• version B12: switched to ESP8266 library/extension version 2.4 (including KRACK patch)
• version B13: added new Arduino Options, CodeFor.de logo removed and other unneeded binary data removed, problem with lwIP v2 solved
• version B14: setting 'continuous mode' for pm sensors
• version B15: test of esp8266 lib 2.4.1 with prebuilt lwIP 1.4
• version B16: changed back to esp8266 lib 2.3.0

NRZ-2017-099 online since 2017-09-10

• time since last measurement counts in wrong direction

NRZ-2017-098 online as update since 2017-09-06

• added support for PMS5003, PMS6003
• portuguese version added
• reenabled masked passwords
• refactored sending to luftdaten.api
• time to first and time since last measurement had shown impossible values

NRZ-2017-097 online since 2017-08-21

• basic auth password was saved as stars on saving config again
• some minor changes to reduce flash memory usage

NRZ-2017-095 online as update since 2017-08-17

• added support for HTU21D
• added support for DS18B20
• added support for BMP280
• added support for PMS1003, PMS3003, PMS7003
• masked wifi password in config page

NRZ-2017-092 online as update since 2017-06-24

• added time of first measurement to value page
• timeout for wifi connect set to 20 seconds, some networks seem to need more than 10 seconds
• time between measurements and timeout of wifi config mode now configurable

NRZ-2017-090 online as update since 2017-06-17

• list of available wifi networks implemented as ajax request to speedup config page

NRZ-2017-089 online as update since 2017-06-06

• wifi strength always shown with 100%

NRZ-2017-087 online as update since 2017-06-05

• emergency update, gzip compressed svg logos not working on all sensors

NRZ-2017-086 online as update since 2017-06-02

• error in calculating median of PM values corrected
• italian and dutch version added

NRZ-2017-085 online as update since 2017-06-02

• gzip compressed svg logos, to save memory
• removing highest and lowest value from PM value array for mean calculation