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Odd little cheap Temperature Transmitter off amazon

[Temperature Humidity Transmitter SHT20 Sensor High Precision Monitoring Modbus RS485]

The secret is that temp is at 30002 and Humidity is at 30003.

The lack of documentation just said that Temp was at 1 and Humidity at 2 and the fun part is any call to an invalid address kill them all.

[Temperature Humidity Transmitter SHT20 Sensor High Precision Monitoring Modbus RS485] The secret is that temp is at 30002 and Humidity is at 30003. The lack of documentation just said that Temp was at 1 and Humidity at 2 and the fun part is any call to an invalid address kill them all.

Century Control Systems, Inc. www.centurycontrolsystems-inc.com

Interesting tip. I might investigate those for my greenhouse.

The manufacturer's data sheet does specify that they use only their own communications protocol.

Interesting tip. I might investigate those for my greenhouse. The manufacturer's data sheet does specify that they use only their own communications protocol.
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