registr.lua

pin=8 
spi.setup(1, spi.MASTER, spi.CPOL_HIGH, spi.CPHA_LOW, spi.DATABITS_8, 0);
gpio.mode(pin, gpio.OUTPUT)
--gpio.write(pin, gpio.LOW)
data = {
'00000001',
'00000011',
'00000111',
'00001111',
'00011111',
'00111111',
'01111111',
'11111111',
'11111110',
'11111100',
'11111000',
'11110000',
'11100000',
'11000000',
'10000000',
'00000001',
'00000011',
'00000111',
'00001111',
'00011111',
'00111111',
'01111111',
'11111111',
'11111110',
'11111100',
'11111000',
'11110000',
'11100000',
'11000000',
'10000000',
'10101010',
'01010101',
}

print(table.getn(data))

function sendData(byte)
    gpio.write(pin, gpio.LOW)
    tmr.delay(20)
    spi.send(1,byte)
    gpio.write(pin, gpio.HIGH)
    tmr.delay(1000000)
    print(byte)
    tmr.wdclr()       
end

while 1 do
    for j=1,table.getn(data),1 do
        print(j .. '=' .. data[j] .. '=')
        sendData(tonumber(data[j],2))
    end
end


-- https://mwhprojects.wordpress.com/category/projects-2/pcb/74hc595-shift-register-breakout/
-- https://techtutorialsx.com/2016/08/30/esp8266-connection-to-sn74hc595/
-- http://www.esp8266.com/viewtopic.php?f=19&t=2130#
-- http://www.instructables.com/id/NODEMCU-LUA-ESP8266-With-74HC595-LED-and-Matrix-Dr/
-- http://www.instructables.com/id/How-Shift-Registers-Work-74HC595/