This board will definitely save your time and help you to build your DIY guitar pedal in the 1590B enclosure. Led, jacks and footswitch are mounted on the PCB, being only necessary to wire the battery and the effect PCB. The PCB also includes power supply filtering and reverse polarity protection. COMPONENT LIST 1 x PCB for 1590B Enclosure DIY C1     100u     100UF 35V 105C RADIAL ELECTROLYTIC CAPACITOR 6X11MM C2     100n     100NF 0.1UF 100V 5% POLYESTER FILM BOX TYPE CAPACITOR D1     1N4001     1N4001 DIODE 1A 50V D2     1N4001     1N4001 DIODE 1A 50V R1     2.2k    2.2K OHM 1/4W 1% METAL FILM RESISTOR R2     47Ohm    47 OHM 1/4W 1% METAL FILM RESISTOR LED     LED 3MM GREEN    with     3MM BEZEL LED HOLDER CHROME METAL DC    DC POWER JACK 2.1MM BARREL-TYPE PCB MOUNT JACK IN     6.35MM 1/4" STEREO INSULATED SWITCHED SOCKET JACK PCB JACK OUT     6.35MM 1/4" STEREO INSULATED SWITCHED SOCKET JACK PCB 3PDT     3PDT STOMP FOOT / PEDAL SWITCH BATTERY    9V 9-VOLT BATTERY CLIP / CONNECTOR SNAP