Velleman projects K2633 Assembly instructions User Manual

Page 5

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5

Construction

D1 : 1N4148

D2 : 1N4148

D3 : 1N4148

D4 : 1N4148

1. Diodes. Watch the polarity !

D...

CATHODE





R1 : 56

(5 - 6 - 0 - B - 9)

R2 : 56

(5 - 6 - 0 - B - 9)

R3 : 56

(5 - 6 - 0 - B - 9)

R4 : 56

(5 - 6 - 0 - B - 9)

R5 : 820 (8 - 2 - 1 - B)

R6 : 820 (8 - 2 - 1 - B)

R7 : 820 (8 - 2 - 1 - B)

R8 : 820 (8 - 2 - 1 - B)

RX : 820 (8 - 2 - 1 - B) (4x)

2. Resistors

R...







LD1 : 5mm RED

LD2 : 5mm RED

LD3 : 5mm RED

LD4 : 5mm RED

4. LEDs. Watch the polarity!

LD1

CATHODE

T1 : BC557B

T2 : BC557B

T3 : BC557B

T4 : BC557B

3. Transistors.

NC (4x)

NO (4x)

C (4x)

+ VDC (2x)

- VDC

1

2

3

4

GND

5. PCB tabs.


RY1

RY2

RY3

RY4

6. Relays

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