DS18B20 module examples
Adding couple of example on how to use DS18B20 module
This commit is contained in:
parent
a0f5559a86
commit
6525747859
|
@ -0,0 +1,19 @@
|
||||||
|
t = require("ds18b20")
|
||||||
|
|
||||||
|
-- ESP-01 GPIO Mapping
|
||||||
|
gpio0 = 3
|
||||||
|
gpio2 = 4
|
||||||
|
|
||||||
|
t.setup(gpio0)
|
||||||
|
addrs = t.addrs()
|
||||||
|
if (addrs ~= nil) then
|
||||||
|
print("Total DS18B20 sensors: "..table.getn(addrs))
|
||||||
|
end
|
||||||
|
|
||||||
|
-- Just read temperature
|
||||||
|
print("Temperature: "..t.read().."'C")
|
||||||
|
|
||||||
|
-- Don't forget to release it after use
|
||||||
|
t = nil
|
||||||
|
ds18b20 = nil
|
||||||
|
package.loaded["ds18b20"]=nil
|
|
@ -0,0 +1,27 @@
|
||||||
|
require('ds18b20')
|
||||||
|
|
||||||
|
port = 80
|
||||||
|
|
||||||
|
-- ESP-01 GPIO Mapping
|
||||||
|
gpio0, gpio2 = 3, 4
|
||||||
|
|
||||||
|
ds18b20.setup(gpio0)
|
||||||
|
|
||||||
|
srv=net.createServer(net.TCP)
|
||||||
|
srv:listen(port,
|
||||||
|
function(conn)
|
||||||
|
conn:send("HTTP/1.1 200 OK\nContent-Type: text/html\nRefresh: 5\n\n" ..
|
||||||
|
"<!DOCTYPE HTML>" ..
|
||||||
|
"<html><body>" ..
|
||||||
|
"<b>ESP8266</b></br>" ..
|
||||||
|
"Temperature : " .. ds18b20.read() .. "<br>" ..
|
||||||
|
"Node ChipID : " .. node.chipid() .. "<br>" ..
|
||||||
|
"Node MAC : " .. wifi.sta.getmac() .. "<br>" ..
|
||||||
|
"Node Heap : " .. node.heap() .. "<br>" ..
|
||||||
|
"Timer Ticks : " .. tmr.now() .. "<br>" ..
|
||||||
|
"</html></body>")
|
||||||
|
conn:on("sent",function(conn) conn:close() end)
|
||||||
|
end
|
||||||
|
)
|
||||||
|
|
||||||
|
|
Loading…
Reference in New Issue