Velleman-projects K7102 Assembly instructions Manual do Utilizador descarregar pdf (Página 6)

Construction & connection

Choose C1 :

C1 : 1n2 (122)



C1 : 3n3 (332)

C2 : 47nF (473)

5. Capacitors.

C...

LD1 : 5mm RED

7. LED. Watch the polarity!

LD1

CATHODE

T1 : BC547B

T2 : BC547B

T3 : BC547B

6. Transistors.

R1 : 330 (3 - 3 - 1 - B)

R2 : 470 (4 - 7 - 1 - B)

R3 : 470 (4 - 7 - 1 - B)

R4 : 2K7 (2 - 7 - 2 - B)

R5 : 10K (1 - 0 - 3 - B)

4. Resistors

R...

RV1 : 2K5

RV2 : 100

8. Trim potentiometers

SW1

9. Push button

Experiment for best result

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Velleman-projects K7102 Assembly instructions Manual do Utilizador Página 6