Ruby/Raspi ping-pong PoC code

gistfile1.txt

require 'pi_piper'
include PiPiper

trigger_pin = PiPiper::Pin.new(pin: 25, direction: :out) 
trigger_pin.off

sense_pin = PiPiper::Pin.new(pin: 18, direction: :in)
while true
  sense = sense_pin.read
  puts sense
  if sense == 0
    sleep(0.1)
    puts "\ttrigger"
    trigger_pin.on
    sleep(0.2)
    trigger_pin.off
  end
  sleep(0.10)
end

PiPiper.wait