Parts list

Parts list

Bill of Materials

Check to make sure your kit comes with the following parts. Sometimes we make mistakes so double check everything and email [email protected] if you need replacements!
Image Name Description Part # & Information Qty

adafruit_products_atmega168_t.jpg

IC1 Microcontroller (preprogrammed with firmware when purchased in a kit) ATmega328P-20PU 1

adafruit_products_mcp1700.jpg

IC2

7805 (TO-220 package) or 78L05 (TO-92)

5V regulator

78L05 1

adafruit_products_ds1307.jpg

IC3 Real time clock DS1307 1

adafruit_products_crystalcyl.jpg

Q1 32.768 KHz, 12.5 pF watch crystal Generic 32.768KHz crystal 1

adafruit_products_3mmredled.jpg

LED1 Green or red 3mm LED 3mm indicator LED 1

adafruit_products_1n4001_t.jpg

D1 Power diode 1N4001 1

adafruit_products_47uf.jpg

C2

Electrolytic capacitor

47uF / 25V 
(or higher)

Generic 1

adafruit_products_100uf-10v_t.jpg

C4 100uF / 6.3V capacitor
(or higher)
Generic 1

adafruit_products_104cerm.jpg

C1, C3C5 Bypass capacitor (0.1uF) Generic 3

adafruit_products_r2.gif

R2'

100 ohm resistor

Brown Black Brown Gold

Generic 1

adafruit_products_r1.gif

R1, R3, R4, R5, R6, R7

1/4W 5% 1.0K resistor

Brown Black Red Gold

Generic 6

adafruit_products_r8.gif

R8R9

1/4W 5% 2.2K resistor

Red Red Red Gold

Generic 2

adafruit_products_trim_ra.jpg

TM1 10K trim potentiometer 6mm side adjust 1

adafruit_products_21mmjack_t.jpg

J1 2.1mm Power Jack CUI PJ-202AH 1

adafruit_products_28pin_socket_t.jpg

IC1' 28-pin socket 28 pin socket 1

adafruit_products_8pinsocket.jpg

IC1' 8-pin socket 8 pin socket 1

adafruit_products_6pinheader_t.jpg

ICSP

6 pin header, 0.1"x0.1" spacing

DO NOT SOLDER THIS IN

2x3 pin header 1

adafruit_products_header_20f.jpg

LCD 20 pin female header Generic 1

adafruit_products_headerm36.jpg

LCD & FTDI

Straight male header

DO NOT SOLDER THIS INTO THE FTDI PORT

0.1" male header strip 1

adafruit_products_EG1213.jpg

SW1 Right angle SPDT switch C&K OS102011MA1QN1 1

adafruit_products_6mmtactRA.jpg

S1, S2, S3

Right angle tactile switch

8.35mm long actuator

EVQ-PF008K 3

adafruit_products_piezo.jpg

SPK Piezo Speaker PS1240P02AT 1

adafruit_products_CR2032.jpg

BATT 12mm 3V lithium coin cell CR1220 1

adafruit_products_cr1220thm.jpg

BATT' 12mm coin cell holder Keystone 3001 1

adafruit_products_lcd12864black.jpg

LCD KS0108 LCD
Black with white backlight preferred & is included in the kit
1

adafruit_products_monochronpcb.jpg

PCB Circuit board
1

adafruit_products_roundFFstandoff.jpg

STANDOFF 1/2" 4-40 round F-F threaded aluminum standoff 4

adafruit_products_nylonspacer.jpg

SPACER 3/8" plastic spacer 4

adafruit_products_440-5_8pan.jpg

SCREW 5/8" 4-40 stainless steel machine screw 8

adafruit_products_enclosure.jpg

adafruit_products_enclosure.jpg

ENCLOSURE 6-piece laser cut enclosure
MONOCHRON® is a registered trademark of Adafruit Industries
This guide was first published on Aug 06, 2014. It was last updated on Aug 06, 2014. This page (Parts list) was last updated on Aug 15, 2019.