• Four buttons for navigation: Next, Previous, Select and Escape
  • CEM-1203 Magnetic Buzzer
  • 4x20 Winstar WH2004 LCD (HD44780 compatible). Wired in 4-bit mode
  • Arduino with XBee Shield
  • It's hard to see but that's an LED
  • Series 2 XBee Radio
  • 1N4004 Diodes to drop the voltage for the LCD Backlight
  • 9 Volt Power Supply
  • Ground wire
  • Arduino 5V
keyboard shortcuts: ← previous photo → next photo L view in light box F favorite < scroll film strip left > scroll film strip right ? show all shortcuts