77 lines
1.8 KiB
Lua
77 lines
1.8 KiB
Lua
-- écrit par Lukian Leizour le 22/10/2024
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function print_temp()
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s = sensor.attach("DHT22", pio.GPIO18)
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tmr.delayms(500)
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while true do
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print("Temperature : "..s:read("temperature").." Humitité : "..s:read("humidity"))
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tmr.delayms(500)
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end
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end
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function humi_neo(min, max)
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s = sensor.attach("DHT22", pio.GPIO18)
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neo = neopixel.attach(neopixel.WS2812B, pio.GPIO19, 8)
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tmr.delayms(500)
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pos = 0
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while true do
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neo:setPixel(pos, 0, 0, 0)
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pos = math.floor((s:read("humidity") - min)/(max - min) * 8)
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neo:setPixel(pos, 240, 150, 140)
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neo:update()
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tmr.delayms(500)
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end
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end
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function min(tab)
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local min = tab[1]
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for i=1,#tab do
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if tab[i] < min then min = tab[i] end
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end
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return min
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end
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function max(tab)
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local max = tab[1]
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for i=1,#tab do
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if tab[i] > max then max = tab[i] end
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end
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return max
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end
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function avg(tab)
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local sum = 0
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for i=1,#tab do
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sum = sum + tab[i]
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end
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return sum / #tab
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end
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function temp_humi_avg()
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temps = {}
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humis = {}
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s = sensor.attach("DHT22", pio.GPIO18)
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device = pwm.attach(pio.GPIO2, 3, 0.5)
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blinking = false
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tmr.delayms(500)
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while true do
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temp = s:read("temperature")
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humi = s:read("humidity")
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if #temps == 10 then
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for i=1,9 do
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temps[i] = temps[i + 1]
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humis[i] = humis[i + 1]
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end
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temps[10] = temp
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humis[10] = humi
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else
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temps[#temps + 1] = temp
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humis[#humis + 1] = humi
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end
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print("temp: "..temp..", min temp: "..min(temps)..", max temp: "..max(temps)..", avg temp: "..avg(temps))
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print("humi: "..humi..", min humi: "..min(humis)..", max humi: "..max(humis)..", avg humi: "..avg(humis).."\n")
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if humi > avg(humis) and not blinking then device:start(); blinking = true
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elseif humi <= avg(humis) and blinking then device:stop(); blinking = false end
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tmr.delayms(10000)
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end
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end
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