Hand-Remote direct Rx Tx Buzzer

• Hand-Remote changes
  -- New firmware with Interrupts; No stall time
  -- Case top shifts left to allow XBee Shield Rx, Tx direct connection to Pins 2,3
  -- Buzzer wires directly to LCD pins and power is driven on digital output
  -- Fine tuned battery level meter
• Pump-Controller
  -- Case expanded to allow space for LM2596 Power Regulator Module ( money savings )
  -- Arduino lifted to allow USB to plug in over the top of the LM2596

Initial Release

Release highlights

• Hand-Remote contains implementations for
  -- Ultrasonic Water Level sensing
  -- Pressure sensing ( Converting MPa to PSI )
  -- On/Off Power
  -- All associated alarms ( Battery level cut-out at 550 ) for USB plug-in Power
  -- (2) pump-controllers are addressed; "Canal" and "Ditch"
• Pump-Controller
  -- Ultrasonic Water Level readings on Virtual Pin-64
• 3D Printed Cases
  -- All Hand-Remote prints have rounded edges.