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Ceramic capacitors, Vertical diodes, Trimmer – Velleman projects K8097 Assembly instructions User Manual

Page 8: Usb connector, Board to wire, Inductor, Electrolytic capacitors, Terminal block quartz crystal, Switch regulator, Bridge

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Construction

Ceramic Capacitors

C17 ... C32 : 820pF (821)

C33, C34 : 22pF

(22)

C35 :

470nF

(474)

Vertical diodes

7

6

SK6

C...

D...

CATHODE

D1, D2 : 1N4007

Watch the polarity!

Watch the polarity!

Trimmer

5

RV...

RV1 : 10K

RV2 : 10K

RV3 : 10K

RV4 : 10K

USB connector

8

Adjust trimmer for apropriate output current.

C...

C...

Board to wire

9

SK1 : 4p

(MOTOR 1)

SK2 : 4p

(MOTOR 2)

SK3 : 4p

(MOTOR 3)

SK4 : 4p

(MOTOR 4)

SK7 : 2p

(SW1)

SK8 : 2p

(SW2)

SK9 : 2p

(SW3)

SK10 : 2p

(SW4)

SK11 : 2p

(SW5)

SK12 : 2p

(SW6)

SK13 : 3p

(OUT)

L...

L1, L2 : 330μH

Inductor

10

C...

Watch the

Watch the

polarity!

polarity!

C1 :

4,7μF (50V)

C6 :

100μF (35V)

C9 :

100μF (35V)

C12 : 100μF (35V)

C15 : 100μF (35V)

C39 : 100μF (35V)

C40 : 330μF (16V)

C41 : 100μF (

16V

)!!!

Electrolytic capacitors

11

X1 : 12MHz

X. . . .

.

Terminal Block

Quartz crystal

12

13

SK14 : 2p

(AC power 10 -30V)

VR1: LM2575TADJ

Switch regulator

14

VR1: LM257

Bridge

15

23

23

#

#

BR1 : RS603 (6A-200V)