Velleman К8089 Manual de usuario descargar pdf (Pagina 7)

7

Construction

T1 : BC547

T2 : BC547

7. Transistors

T1

VR1 : UA7808

VR2 : UA78L05

8. Voltage regulator

SW2 : Sign on/off

SW3 : Hours +

SW4 : Minutes +

10. Push buttons

E1 : CR2032 (3V)

9. Battery holder



SK1 : 2p power 12VAC

SK2 : 3p Temp. sensor

! If remote selection is needed :



SW1 : 2p Open/closed

12. Terminal blocks

C12 : 470µF / 25V

13. Electrolytic capacitor.

Watch the polarity !

C...

-

VR...

IC1 : VK8089

(programmed PIC16F630-I/P)

IC2 : 74HC595

IC3 : 74HC595

IC4 : 74HC595

IC5 : 74HC595

15. IC's. Watch the position of the

notch!

2pins:

SK3 : 12h/24h

SK4 : °C/°F

SK5 : Clock/clock+temp

3pins:

hh:mm / hh.mm

11. Pinheaders

Make sure that the heat sink does

not touch C12 !

14. Heat sink

H8089IP'1_rev3.pub

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