lcf meter schematic

1

4

VCC 9-l2v

+

+5

+5

lOOuH

7805

Vout Vin GND

lOOOu

Nokia 3310 GL CD

I    8

A

• PCO(ADCO)	PBO(ICP)
• PCl(ADCI)	PBI(OCIA)
■ PC2 (ADC2)	PB2 (SS/OC1B)
• PC3(ADC3)	PB3(MOSI/OC2)
• PC4(ADC4/SDA)	PB4(MISO) •
■ PC5 (ADC5/SCL)	PB5 (SCK) ■
• PC6(RESET)	PB6(XTAL17T0SC1)
	PB7 (XTA12/TOSC2) •
■ VCC	PD0(RXD)
• AVCC	PD1 (TXD)
• ARF.F	PD2 (1NT0) •
	PD3 (1NT1) ■
■ GND	PD4(XCK/T0)
• GND	PD5 (Tl)
	PD6 (AIN0) •
	PD7 (AINI)

.13

ATmega8-16Pl

14 __

15 _

16 _

17_

'18_

19

'9_

40_

MF

12MHZ

LC Meter Modę

+

4.7 u

B

1N4148

-o o-

SW2-PB

LC Zero Offset

_nr

LxtPrq iri/

10K.

Frq-Counter Modę

"swi-pb”

LCF M<xle Switch

1N4148

-o i

+5

>

BC337

2K2

PORTD.O

+5

Relayl-SPDT 5v

_L

Rclay2-SPDT 5v

IN4148

	Digital LC Meter + Freąuence Counter (ver 1.0) +5
r i r inn„. By : Behzad khazama
c /" ^1-^>—1	www.khazama.com

>

BC337

2K2

PORTD.l

Sabzevar-IRAN 2008/24/08

Title
Size	Nurnber		Revision
A4
Datc:	2009/03/10	Shcct of

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