beautypg.com

Electrolytic capacitors, Transistors, Usb connector – Velleman projects EDU09 Assembly instructions User Manual

Page 8: Ic’s, Voltage regulator, Relay switch, Quartz crystal

background image

- 8 -

Construction

C...

Watch the polarity!

‰ C25 : 10µF

‰ C26 : 10µF

‰ C27 : 10µF

‰ C28 : 10µF

‰ C29 : 10µF

‰ C30 : 100µF

‰ C31 : 100µF

Electrolytic capacitors

13

Transistors

9

‰ T1 : BC337

‰ T2 : BC337

‰

T3 : BC327

USB connector

12

‰ SK3

IC’s

15

Watch the position of

the notch!

‰ IC3 :VKEDU09

(programmed PIC18F24J501-ISP)

‰

R23 : 11KΩ

(1 - 1 - 0 - 2 - 1)

*

‰

R24 : 15KΩ

(1 - 5 - 0 - 2 - 1)

*

‰

R25 : 20KΩ

(2 - 0 - 0 - 2 - 1)

*

‰

R26 : 20KΩ

(2 - 0 - 0 - 2 - 1)

*

‰

R27 : 20KΩ

(2 - 0 - 0 - 2 - 1)

*

‰

R28 : 75KΩ

(7 - 5 - 0 - 2 - 1)

*

Voltage regulator

10

‰ VR1 : LM317LZ

T...

VR...

VR...

Relay switch

11

‰ RL1 : TSC-106D3H or eq.

‰ X1 : 4MHz

X. . . .

Quartz crystal

14

‰ IC2 : TLV272IP

‰ IC1 : CD74HCT4052E