TST300v4-v6.04 (Release date 2023-11-15)
   - Measured sensor values can be corrected by employing a multiplier and an offset

TST300v4-v6.03 (Release date 2023-07-23)
   - Fixed bug related to MB register 400

TST300v4-v6.02 (Release date 2023-06-28)
   - Initial version
   
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TST300v3-v5.02 (Release date 2023-11-15)
   - Measured sensor values can be corrected by employing a multiplier and an offset

TST300v3-v5.01 (Release date 2023-06-23)
   - When a floating-point value is not available, the returned value is “NaN” (e.g. in case of measurement error).
   - When a 16-bit signed integer value is not available, the returned value is “-32768” (e.g. in case of measurement error).

TST300v3-v5.00 (Release date 2021-11-24)
   - Initial version. Modbus table change.

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TST300v2-v4.00 (Release date 2021-05-20)
   - Sensor optimization

TST300v2-v3.02 (Release date 2021-04-14)
   - LED indicator optimization

TST300v2-v3.00 (Release date 2020-04-30)
   - Bootloader optimization

TST300v2-v2.14 (Release date 2020-02-24)
   - Added new register for temperature in Fahrenheit

TST300v2-v2.12 (Release date 2019-01-08)
   - Modbus RTU optimization. A “NaN” value is returned for unavailable floating-point values (e.g. in case of measurement error).

TST300v2-v2.08 (Release date 2018-08-06)
   - Power On reset optimization.

TST300v2-v2.06 (Release date 2018-05-14)
   - Reading data validation optimization.  

TST300v2-v2.04 (Release date 2018-03-28)
   - Bytes and packets timing optimization.  

TST300v2-v2.02 (Release date 2018-02-27)
   - Reading data validation added.  

TST300v2-v2.00 (Release date 2018-01-15)
   - Initial version.

TST300[hardware version]-[firmware version] (Release date)