I am selling digital hygrometer with USB/RS232 connection.
Compatible with all systems containing CH340 driver or serial port.
Tested on Linux and Windows.
Cable length approx. 1m/3ft - 20m/65ft
Cable diameter 2.7mm
Weight 30-200g

This hygrometer send data in ASCII format, any OS, no software needed.

Measure temperature -40°C to +105°C
Measure humidity 0%RH to 100%RH
Accuracy 0.2°C, 2%RH
Resolution 0.01°C, 0.02°F, 0.01%RH

Temperature range -40°C to +105°C, -40°F to +221°F

Based on SHT30 digital sensor, Attiny85 microcontroller.

Sensor enclosure is ABS printed. Size 19x13x7mm.

Serial communication parameter is 9600 8N1(see pictures)
Data measurement every 10s.

All devices are tested and is in working condition.
Warranty 3 years(buyer pays return shipping)

Please check my other listings for different modifications.

Shipping
Usual shipping time to North America is 2-3 weeks, Europe 1-2 weeks, South America 5-7 weeks.

Shipping with tracking number 8USD