nodemcu-firmware/lua_modules/si7021/si7021-example.lua

25 lines
601 B
Lua
Raw Normal View History

tmr.alarm(0, 60000, 1, function()
SDA_PIN = 6 -- sda pin, GPIO12
SCL_PIN = 5 -- scl pin, GPIO14
si7021 = require("si7021")
si7021.init(SDA_PIN, SCL_PIN)
si7021.read(OSS)
h = si7021.getHumidity()
t = si7021.getTemperature()
-- pressure in differents units
print("Humidity: "..(h / 100).."."..(h % 100).." %")
-- temperature in degrees Celsius and Farenheit
print("Temperature: "..(t/100).."."..(t%100).." deg C")
print("Temperature: "..(9 * t / 500 + 32).."."..(9 * t / 50 % 10).." deg F")
-- release module
si7021 = nil
package.loaded["si7021"]=nil
end)