Drill Bit Sizes

Quick and Dirty 1-Bit Groove Box Instructions

Parts List

things you need from digikey

things you need from All Electronics

things you need in general.

Buttons

buy from all electronics

prepare buttons

assemble buttons

Knob

buy from (radio shack, all or digikey)

solder 1 wire + 1 vcc + 1 gnd to atmega 32

Serial Converter

solder 5x1uF caps

max232 chip from ( ... )

Microcontroller

solder socket to board

vcc, gnd to 7805

txd, rxd, gnd to serial port

reset button

rxd button

C7, C8 = 100nF

L1 = 10 uH

Box

Cutting

obtain blank videocassette case

dremel away circular bits on top flag

cut knob hole (.310" diameter) on side

cut 1/4" jack hole (.360" diameter) on spine

make rectangular guide for buttons (dim. here)

cut with guide into box

cut volume control knob (dim. here)

cut power switch hole

Mounting

mount knob

mount 1/4" jack

mount power switch

mount volume knob