Project "TRYNDELKA"

the home-made MIDI-guitar

Main
MIDI protocol
Principle
Pickup
Frets and strings
Power
Analog part
PIC16x74
COM-port
MIDI-port
Control and indications
Algorithm of note detection

Gallery
MIDI-files

About author

Part list and pre-calculation of the cost of electronics

Item price, $ quantity cost, $
PIC16F74 (microcontroller) 6 1 6
K1401UD2A (4-channel opamp) 0.33 2 0.67
K157DA1 (2-channel full rectifier) 0.13 3 0.4
Prototyping board 4.67 1 4.67
Trimming resistor 0.5 6 3
LM2950-5.0 (linear power regulator) 1.67 1 2.67
KD102B (diode) 0.07 105 7
LED 5mm, red, bright 0.67 2 1.33
LED 5mm, green, bright 2 1 2
Electrolytic capacitor, 30V 0.17 8 1.33
Ceramic capacitor 1 uF 0.17 8 1.33
Resistor, 0.125 W 0.02 31 0.62
HCM1216A (beeper) 0.57 6 3.4
Crystal oscillator 20 MHz 0.5 1 0.5
Battery compartment 1 1 1
Power switch 0.67 1 0.67
DIN5 connector, shell-mounting 0.67 1 0.67
DIP14 panel 0.05 5 0.25
DIP40 panel 0.15 1 0.15
Stands 20 mm 0.2 3 0.6
Button 0.17 1 0.17

Total:  

$37.42
Хостинг от uCoz