ARDF TIMER


Partlist

IC1 : PIC16C54XT *	IC2 : 78L05	Q1 : 3.2768MHz	T1/2 : BC547c
C1/2 : 22p	C3/4 : 100n	C5/6 : 100p	C7/8 : 100n
C9 : 10µF/10V	R1 : 470	R2/3 : 4k7	R4/5 : 3k3
R6/7 : 1k8	R8 : 8x47k	S1 : DIP switch (8)	D1/2 : LED 3mm

* : PIC16C54XT can be replaced by PIC16C84 or PIC16F84
back to top of this page
DIP switch selections (S1)Switch 1-3 : identificationSw 1Sw 2Sw 3Identification

off	off	off	MOE (1st min. of 5 min. cycle)
on	off	off	MOI (2nd min. of 5 min. cycle)
off	on	off	MOS (3rd min. of 5 min. cycle)
on	on	off	MOE (4rd min. of 5 min. cycle)
off	off	on	MOI (5th min. of 5 min. cycle)
on	off	on	MO (continue)
off	on	on	MOE (1st min. of 2 min. cycle)
on	on	on	MOI (2nd min. of 2 min. cycle)

Switch 4-8 : delay (value for each switch, add values)

Sw 4 : 30 min.

Sw 5 : 1 hour

Sw 6 : 2 hours

Sw 7 : 4 hours

Sw 8 : 8 hours

源自 : ON7YD 網站 http://www.qsl.net/on7yd/timer.htm