design
intro
conclusions
results
schematics
source
work log
budget
Michael Karpelson, Julian Chang, ECE 476 Spring 2004

Qty.

Part Number

Part Description

 

Supplier

Unit Cost

Total Cost

1

ATMega32

Atmel Mega32 microcontroller

Lab

$8.00

$8.00

1

n/a

Solderboard

All Corp

$5.50

$5.50

13

8548SL

24VDC push-type solenoid

MPJA

$1.55

$20.15

13

TIP31C

Power transistor

ON Semiconductor

Free sample

 

15

n/a

Power diode

Lab

Free

 

4

ILQ5-4

Quad opto-isolator

Vishay Semiconductor

Free sample

 

1

MAX166

High speed parallel ADC

Maxim IC

Free sample

 

1

 

 

 

 

 

1

LM323T

5V voltage regulator

ON Semiconductor

Free sample

 

1

OPA227P

Low-noise precision op-amp

Texas Instruments

Free sample

 

1

DN4512-ND

100mH high-current inductor

Digikey

$2.08

$2.08

1

n/a

9-pin SUB-D connector

All Corp

$0.50

$0.65

1

n/a

9V battery

Lab

$2.00

$2.00

1

UC2577-ADJ

Switching voltage regulator

Texas Instruments

Free sample

 

1

n/a

Power jack

Lab

Free

 

1

n/a

9V battery connector

Lab

Free

 

1

n/a

16MHz crystal

Lab

Free

 

2

n/a

by 1 wood plank

Home Depot

$0.40

$0.80

1

MAX202CPE

RS232 chip

Maxim IC

Free sample

 

2

n/a

Pushbutton

Old PC

Used item

 

1

n/a

Microphone

Old PC

Used item

 

1

n/a

STK200 programming dongle

Lab

Loaned

 

1

n/a

IDE cable

Old PC

Used item

 

?

n/a

Assorted resistors

Lab

Free

 

?

n/a

Assorted capacitors

Lab

Free

 

2

n/a

LEDs

Lab

Free

 

 

 

 

 

 

 

 

 

Total

 

 

$39.18

 

 

Budget surplus

 

 

$0.72