/init.lua Secret
Created
July 19, 2021 00:22
a small lua file to make an ESP01 turn on a relay for 20 minutes then off for 20 minutes and repeat.
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-- luacheck: globals gpio tmr | |
gpio.mode(3, gpio.OUTPUT) -- GPIO0 | |
gpio.write(3, gpio.LOW) | |
-- gpio.mode(4, gpio.OUTPUT) -- GPIO2 | |
local TWENTY_MINUTES = 20 * 60 * 1000 | |
local THIRTY_MINUTES = 30 * 60 * 1000 | |
local SIXTY_MINUTES = 60 * 60 * 1000 | |
local on | |
local function off() | |
print("off") | |
gpio.write(3, gpio.HIGH) | |
local t = tmr.create() | |
t:register(TWENTY_MINUTES, tmr.ALARM_SINGLE, on) | |
t:start() | |
end | |
on = function () | |
print("on") | |
gpio.write(3, gpio.LOW) | |
local t = tmr.create() | |
t:register(TWENTY_MINUTES, tmr.ALARM_SINGLE, off) | |
t:start() | |
end | |
print("starting") | |
on() |
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