Bill of Materials
Check to make sure your kit comes with the following parts.Sometimes we make mistakes so double check everything and email support@adafruit.com if you need replacements!
Image |
Name |
Description |
Part # & Information |
Qty |
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|---|---|---|---|---|---|---|---|---|---|---|---|
 |
IC1 |
Microcontroller (preprogrammed with firmware when purchased in a kit) | 1 |
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 |
IC2 |
7805 (TO-220 package) or 78L05 (TO-92) 5V regulator |
78L05 | 1 |
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 |
IC3 |
Real time clock | DS1307 | 1 |
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 |
Q1 |
32.768 KHz, 12.5 pF watch crystal | 1 | ||||||||
 |
LED1 |
Green or red 3mm LED |
3mm indicator LED | 1 |
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 |
D1 |
Power diode | 1N4001 | 1 |
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 |
C2 |
Electrolytic capacitor 47uF / 25V |
1 |
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 |
C4 |
100uF / 6.3V capacitor |
1 |
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 |
C1, C3, C5 |
Bypass capacitor (0.1uF) | Generic | 3 |
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|
R2' |
100 ohm resistor Brown Black Brown Gold |
Generic | 1 |
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|
R1, R3, R4, R5, R6, R7 |
1/4W 5% 1.0K resistor Brown Black Red Gold |
Generic | 6 |
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|
R8, R9 |
1/4W 5% 2.2K resistor Red Red Red Gold |
Generic | 2 | |||||||
 |
TM1 |
10K trim potentiometer 6mm side adjust | 1 |
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 |
J1 |
2.1mm Power Jack | 1 |
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 |
IC1' |
28-pin socket | 1 |
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 |
IC1' |
8-pin socket | 1 |
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 |
ICSP |
6 pin header, 0.1"x0.1" spacing DO NOT SOLDER THIS IN |
1 |
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 |
LCD |
20 pin female header | Generic | 1 |
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 |
LCD & FTDI |
Straight male header DO NOT SOLDER THIS INTO THE FTDI PORT |
0.1" male header strip | 1
|
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 |
SW1 |
Right angle SPDT switch | 1 |
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 |
S1, S2, S3 |
Right angle tactile switch 8.35mm long actuator |
3 |
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 |
SPK |
Piezo Speaker |
1 |
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 |
BATT |
12mm 3V lithium coin cell | 1 |
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 |
BATT' |
12mm coin cell holder | 1 |
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 |
LCD |
KS0108 LCD |
1 |
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|
PCB |
Circuit board |
Adafruit Industries | 1 |
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 |
STANDOFF |
1/2" 4-40 round F-F threaded aluminum standoff | 4 |
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 |
SPACER |
3/8" plastic spacer | 4 |
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 |
SCREW |
5/8" 4-40 stainless steel machine screw | 8 |
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 |
ENCLOSURE |
6-piece laser cut enclosure | Adafruit Industries |
MONOCHRON® is a registered trademark of Adafruit Industries