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اسکریپت Lua برای ارتباط nodemcu و oled

sda = 2 — SDA Pin
scl = 1 — SCL Pin

s=0
m=0
h=0

function init_OLED(sda,scl) —Set up the u8glib lib
sla = 0x3C
i2c.setup(0, sda, scl, i2c.SLOW)
disp = u8g.ssd1306_128x64_i2c(sla)
disp:setFont(u8g.font_6x10)
disp:setFontRefHeightExtendedText()
disp:setDefaultForegroundColor()
disp:setFontPosTop()
—disp:setRot180() — Rotate Display if needed
end

function write_OLED() — Write Display
disp:firstPage()
repeat
disp:drawStr(50, 10, "Timer")
disp:drawStr(40, 30, string.format("%02d:%02d:%02d",h,m,s))
disp:drawStr(20, 50, "hello")
until disp:nextPage() == false
end

— Main Program
init_OLED(sda,scl)

tmr.alarm(0, 1000, 1, function() — Every second increment clock and display
s = s+1
if s==60 then
s=0
m=m + 1
end
if m==60 then
m=0
h=h + 1
end
if h==13 then
h=1
end
write_OLED()
end)

www.tg-me.com/ar/Micropython & IOT/com.micropython_iot/63

2.4K viewsF.Naserizadeh, edited Apr 17, 2018 at 03:44

tg-me.com/micropython_iot/63

Create: 2018-04-17
Last Update: 2025-06-19 12:50:37

اسکریپت Lua برای ارتباط nodemcu و oled

sda = 2 — SDA Pin
scl = 1 — SCL Pin

s=0
m=0
h=0

function init_OLED(sda,scl) —Set up the u8glib lib
sla = 0x3C
i2c.setup(0, sda, scl, i2c.SLOW)
disp = u8g.ssd1306_128x64_i2c(sla)
disp:setFont(u8g.font_6x10)
disp:setFontRefHeightExtendedText()
disp:setDefaultForegroundColor()
disp:setFontPosTop()
—disp:setRot180() — Rotate Display if needed
end

function write_OLED() — Write Display
disp:firstPage()
repeat
disp:drawStr(50, 10, "Timer")
disp:drawStr(40, 30, string.format("%02d:%02d:%02d",h,m,s))
disp:drawStr(20, 50, "hello")
until disp:nextPage() == false
end

— Main Program
init_OLED(sda,scl)

tmr.alarm(0, 1000, 1, function() — Every second increment clock and display
s = s+1
if s==60 then
s=0
m=m + 1
end
if m==60 then
m=0
h=h + 1
end
if h==13 then
h=1
end
write_OLED()
end)

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Date: 2025-06-19| Micropython & IOT

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