Shopping list:
- Arduino Mega ( $6.56 )
http://www.ebay.com/itm/401036224315?_trksid=p2060353.m2749.l2649
- DIN Female Jack (7 pin if you want power supply from Midi Cable) ($0.99)
http://www.ebay.com/itm/272139554632?_trksid=p2060353.m2749.l2649
- LCD display (I’ve bought one with a keypad that I may use in the future) ($2.56)
http://www.ebay.com/itm/Keypad-Shie...emilanove-UNO-MEGA2560-MEGA1280-/221849044117
- Stomp Pedal Momentary Switches ( $2.54 each)
http://www.ebay.com/itm/Guitar-Peda...Effects-Push-Button-Foot-Switch-/400914113943
- 220 Ohm resistors for the MIDI Output and for the LED’s ($1 for 100 units)
- LED’s ($1 for 50 units)
Minimum cost:
Arduino Mega.................................... 1 x $6.56 = $ 6.56
LCD Display...................................... 1 x $2.56 = $ 2.56
MIDI DIN Female Jack...................... 1 x $0.99 = $ 0.99
Stomp Pedal Momentary Switches... 15 x $2.54 = $ 38.10
220 Ohm resistors............................. 17 x $0.02 = $ 0.34
0.5 mm LED...................................... 15 x $0.05 = $0.75
Case................................ Free, using imagination
Cable................................ Cannibalized from scrap LAN wire
TOTAL COST .......................................................$ 49.30