TCW220-v2.006 (Release date 2024-10-22)
   - SMTP optimization - Recipient emails extended to 128 symbols 

TCW220-v2.005 (Release date 2024-10-11)
   - SMTP optimization - Sender email, user name and password fields extended to 128 symbols

TCW220-v2.004 (Release date 2024-09-18)
   - Encrypted connection for DDNS service.

TCW220-v1.253 (Release date 2023-11-14)
   - added Hostname in DHCP Discover message (DHCP option 12)

TCW220-v1.252 (Release date 2023-10-11)
   - sensor values are displayed in 3 decimal places format, multiplier and offset in 6 decimal places format

TCW220-v1.250 (Release date 2023-03-30)
   - added notifications in case of sensors communication lost

TCW220-v1.248 (Release date 2022-11-14)
   - added 3 modes for HTTP post - Periodic&Alarm, Periodic and Alarm

TCW220-v1.247 (Release date 2022-10-20)
   - Firmware update optimization

TCW220-v1.246 (Release date 2022-10-17)
   - Modbus TCP/IP optimization

TCW220-v1.245 (Release date 2022-08-31)
   - optimization of HTTP communication

TCW220-v1.244 (Release date 2022-08-10)
   - optimization of TSM400 sensors support

TCW220-v1.242 (Release date 2022-06-22)
   - added TSM400 sensors support

TCW220-v1.240 (Release date 2022-03-16)
   - optimization of HTTP communication

TCW220-v1.238 (Release date 2021-07-22)
   - 1W sensors update optimization

TCW220-v1.237 (Release date 2021-07-05)
   - optimization of HTTP API authentication  

TCW220-v1.235 (Release date 2020-03-11)
   - removed extra bytes control for 1-Wire temperature sensors 

TCW220-v1.233 (Release date 2019-12-12)
   - added synchronization for the logger records
   - added HTTPS protocol for uploading of logger data
   - added HTTPS protocol for HTTP post
   - fixed bug related with HTTP API commands

TCW220-v1.231 (Release date 2019-09-30)
   - optimization of procedure for 1-Wire sensors update

TCW220-v1.230 (Release date 2019-08-21)
   - Virtual inputs bug fix

TCW220-v1.229 (Release date 2019-08-14)
   - Graphics bug fix

TCW220-v1.228 (Release date 2019-06-13)
   - HTML optimization

TCW220-v1.227 (Release date 2019-06-10)
   - HTML optimization

TCW220-v1.225 (Release date 2019-03-27)
   - JSON file BOM addition

TCW220-v1.224 (Release date 2019-02-12)
   - code optimization related with analog inputs 

TCW220-v1.223 (Release date 2019-01-30)
   - fixed bug related with Highlight alarm values in the Graphics
   - added new HTTP API commands
   - Connected to the previous updates, it is strongly recommended to use the following setting:
     DNS = 8.8.8.8	
     Time server = time.google.com

TCW220-v1.220 (Release date 2018-08-23)
   - added TSL200 support

TCW220-v1.216 (Release date 2018-04-24)
   - added system parameters (System name and Time) to the Monitoring page 
   - the default settings for System name and System location are changed 

TCW220-v1.214 (Release date 2018-03-14)
   - added Virtual Items
   - added web settings for relays - "Action on alarm condition"   
   - added web settings for relays - "Relays state after restart" 
   - changed default DNS - 8.8.8.8
   - changed default NTP server - time.google.com
     It is strongly recommend to use foloowing setting:
     DNS = 8.8.8.8	
     Time server = time.google.com   

TCW220-v1.212 (Release date 2017-10-18)
   - Multiplier and offset bug fix

TCW220-v1.211 (Release date 2017-09-07)
   - SNMP bug fix

TCW220-v1.210 (Release date 2017-07-13)
  - HTTP Post bug fix

TCW220-v1.209 (Release date 2017-04-05)
   - Mail bug fix.

TCW220-v1.208 (Release date 2016-12-16)
   - Dynamic DNS support.

TCW220-v1.206 (Release date 2016-10-12)
   - TLS encryption support.
   - SNMP bug fix. 

TCW220-v1.153 (Release date 2016-08-22)
   - SMTP settings optimization.
   - javascript bug fix.

TCW220-v1.152 (Release date 2016-08-09)
   - Graphics optimization.

TCW220-v1.151 (Release date 2016-08-08)
   - Web button "Save" optimization.