Step 2: Parts List
Parts List
- Adrunio Uno or compatible ( ebay $20 )
- 16 X2 LCD display that uses a Hitachi HD44780 driver, They are very common, I have gotten several from old HP servers and Rolm Phones, but one can Be purchased here. for $10 http://www.adafruit.com/products/181
- An opto 22 Solid State Relay ( RED , 5 Vin ) I happen to have an ample supply around my basement
- 18650 battery Holder , $2 eBay
-10 M ohm 1/4 watt Resistor ( or something large just to be used as a Pull down )
- 4 Ohm 6 watt Resistor
- 1 push Button, momentary contact switch (not Shown )
- 6 to 10 V 500 ma , Power supply , Wall wart style to power the adrunino (not Shown)
- Adrunio Uno or compatible ( ebay $20 )
- 16 X2 LCD display that uses a Hitachi HD44780 driver, They are very common, I have gotten several from old HP servers and Rolm Phones, but one can Be purchased here. for $10 http://www.adafruit.com/products/181
- An opto 22 Solid State Relay ( RED , 5 Vin ) I happen to have an ample supply around my basement
- 18650 battery Holder , $2 eBay
-10 M ohm 1/4 watt Resistor ( or something large just to be used as a Pull down )
- 4 Ohm 6 watt Resistor
- 1 push Button, momentary contact switch (not Shown )
- 6 to 10 V 500 ma , Power supply , Wall wart style to power the adrunino (not Shown)
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