mruby/c sources for SHT35
https://jp.seeedstudio.com/Grove-I2C-High-Accuracy-Temp-Humi-Sensor-SHT35.html
puts("SHT35 HumiditySensor")
i2c = I2C.new()
sht35 = SHT35.new( i2c )
loop do
if sht35.is_ready?
puts sprintf( "Temperature:%5.1f ", sht35.temp )
puts sprintf( "Humidity:%5.1f ", sht35.humi )
end
sleep 1
end