..

os.loadAPI("ocs/apis/sensor")
local prox = sensor.wrap("bottom")

local monitor

--# Find a monitor
for _, name in ipairs( peripheral.getNames() ) do
        if peripheral.getType( name ) == "monitor" then
                monitor = peripheral.wrap( name )
        end
end

while true do
        --# Get all targets and then insert them into the visitors table
        local targets = prox.getTargets()
        for name, _ in pairs( targets ) do
                local n = {}
                n.name = name
                n.timestamp = textutils.formatTime( os.time() )
                table.insert( visitors, n )
        end

        --# Loop through the visitor table and draw the stuff xP
        monitor.clear()
        for i = 1, #visitors do
                monitor.setCursorPos( 1, i )
                monitor.write( visitors[i].name .. " | " .. visitors[i].timestamp )
        end
end