SmartSampler2 firmware

V0.3.7 (19.08.2026)

• Improved SDI12 handling

V0.3.6 (13.08.2026)

• Improved Wireless connection
  • Enforced default connection

V0.3.5 (11.08.2026) only compatible with SmartConfig2 V0.2.7 and above

• Improved Wireless connection
  • real time update
  • enhanced security

V0.3.4 (08.08.2026)

• Improved wireless conection

V0.3.3 (28.07.2026)

• Improved Serial Handling

V0.3.2 (26.07.2026)

• Improved Serial Handling and Debug report

V0.3.1 (23.07.2026)

• New Feature: High Resolution data upload

V0.3.0 (22.07.2026)

• Bugfix: Imports now also Sensor port configuration

V0.2.9 (21.07.2026)

• New Feature: Export/Import settings, included telemetry configuration
• Improved telemetry connectivity

V0.2.8 (20.07.2026)

• New Feature: Export/Import settings, configurations and program to a new system

V0.2.7 (2026_07_10)

• Added: temporary counters in user defined mode data/telemetry output

V0.2.6 (2026_07_03)

• Bugfix: Fixed real-time clock synchronization

V0.2.5 (2026_07_02)

• Improved cellular communication reliability
• Faster cellular network initialization
• Enhanced MQTT live communication
• Increased user-defined variables to 12
• Increased formula capacity to 20
• Various performance and stability improvements

V0.2.4 (2026_06_20)

• Improved deep sleep reliability
• Added reduced payload mode to lower data usage.
• Added local time handling while keeping correct UTC timestamps for telemetry.
• Improved support for longer cellular/telemetry messages.
• Added Smart Sampler Solutions telemetry platform.

V0.2.3 (2026_05_27)

• added discarding sensor read in User defined mode
• added guard ensuring to stay in allowed range of user defined program

V0.2.2 (2026_05_11)

• Bugfix:
  • Modbus header and value fix via telemetry
  • SDI-12 variable fix via telemetry

V0.2.1(2026_04_19)

• Improved sensor stability to prevent crashes from unexpected behavior
  • applies to Modbus and SDI-12
• Updated TreeFlux mode for revised setup compatibility
• Removed unnecessary spaces in file header
• Improved storage reliability
• Telemetry updates:
  • Initial GPS support added
  • GPS and LTE cannot be used at the same time

V0.2.0 (2026_03_04)

• Fixed RS-485/Modbus sensor data request

V0.1.9 (2026_02_27)

• User defined mode
  • increased temp storage in user defined program from 3 to 6
  • improved internal user def program checker
  • Parameter O used in temp storage and counter funktions for define number
  • Parameter S used in temp storage and counter funktions for setting/comparing
• minor fixes for cellular

V0.1.8 (2026_02_19)

• Modbus
  • added optional trigger for measurement before data request

V0.1.7 (2026_02_07)

• Improved: stricter validation of user-defined programs — firmware now detects and reports code issues before continuing.

V0.1.6 (2026_02_04)

• RS-485: Function code 04 added for sensor request

V0.1.5 (2026_02_01)

• Bugfix in Pulse counter

V0.1.4 (2026_01_29)

• User defined parameter place holder changed to A,B,C,D,E,G
  • A,B,C,D,E,G can be used as place holder in user defined code
• addapting code to new hardware

V0.1.3 (2026_01_22)

• first release to match SmartSampler2 hardware
• added Auto Start feature

V0.1.2 (2026_01_10)

• bug fixes on transmitter communication

V0.1.1 (2025_12_11)

• Added 6 user defineable Parameter/Placerholder for the Programm code
• Improved PulseCount accuracy
• Added RelayModule

V0.1.0 (2026_11_14)

• Update FlowControl use (continoue saving data during use)

V0.0.9

• set to work 3 TreeFlux modules at once
• bugfix module power up

V0.0.8

• Cleaned Sampler Modes
• Added Uart 3 option
• Release of TreeFlux sampler mode

V0.0.7

• Serial channels can now change between settings
• imrpoved modbus handling (Software SmartConfig2 V0.0.7 needed)

V0.0.6

• Bug fix FlowControl
  • unable to calibrate values above 255 (units)
• Added 1 second reading from FlowControl after pump has been switched off

V0.0.5

• Small bug fixes related to the FlowControl
• While FlowControl is in use no other sensor readings will be updated

V0.0.5

• Modbus RTU/RS-485 integration
• Read all sensors while in UserDef FlowCotntrol function
• Bugfix:
  • display code lines in data log from 1 not 0
  • LED blinks every second if running, always on if in USB mode

V0.0.4

• Slightly more accurate SDI-12 timing

V0.0.3

• Added Pods
• improved communication to SmartConfig
  • SmartConfig2 V0.0.4 needed
• added formula support
• Enabled time update via telemetry

V0.0.0 – 0.0.2

• beta test release