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Velleman K2579, Assembly Manual

The Velleman K2579 is a compact and versatile kit for creating your own digital clock. With easy-to-follow instructions in the Assembly Manual, users can quickly and easily build this functional and stylish clock. Download the manual for free from 88.208.23.73:8080 and start assembling your own digital clock today.

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10.  PCB layout. 

PCB 

 

14.  PCB layout. 

Summary of Contents for K2579

Page 1: ...ty level beginner 1 2 3 4 5 advanced Small size timer provides up to 60 minutes delay UNIVERSAL START STOP TIMER Specifications Relay output with switchover contact Power supply 12VDC regulated Typica...

Page 2: ...VELLEMAN NV Legen Heirweg 33 9890 Gavere Belgium Europe www velleman be www velleman kit com...

Page 3: ...e stopped and restarted at any time Features Start stop push buttons included LED status indicator Timing adjustable from a few seconds to 15 minutes extendable to 60 minutes Relay output with switcho...

Page 4: ...ers A basic range is fine For some projects a basic multi meter is required or might be handy 1 2 Assembly Hints Make sure the skill level matches your experience to avoid disappointments Follow the i...

Page 5: ...DO NOT BLINDLY FOLLOW THE ORDER OF THE COMPONENTS ONTO THE TAPE ALWAYS CHECK THEIR VALUE ON THE PARTS LIST REMOVE THEM FROM THE TAPE ONE AT A TIME...

Page 6: ...esistor R Construction D1 1N4148 1 Diode Watch the polarity D CATHODE RV1 2M2 5 Trim potentiometer IC 8p 3 IC socket Check the position of the notch C1 100nF 4 Capacitor C T1 BC547B 6 Transistor C2 10...

Page 7: ...7 Construction SW1 START SW2 STOP 9 Push buttons RY VR15M121C 10 Relay RY IC NE555 11 IC Check the position of the notch...

Page 8: ...Connection example IC C1 SW1 SW2 START STOP D1 LD1 RY T1 C2 A B C R1 R2 R3 RV1 R4 R5 R6 R7 220nF 400V 100E 1W A B or C Snubber network see hook up and use 12V DC 300 mA NC NO A B C COM Connection exa...

Page 9: ...e screened cable avoid outside interference and keep the distance between the switches and the PCB as short as possible The timer is equipped with a relay output that is galvanically separated from th...

Page 10: ...10 10 PCB layout PCB 14 PCB layout...

Page 11: ...OUT 3 RST 4 THR 6 TRIG 2 DISC 7 VCC 8 IC1 NE555 R6 4K7 R4 1K R3 4K7 R1 1K R2 10K RV1 2M2 C2 100 T1 BC547 R5 10K RY VR15M211C D1 1N4148 SW2 SW1 A B C POWER 12V GND GND GND LD1 LED R7 1K C1 100n GND 15...

Page 12: ...5 4 1 0 3 2 9 3 1 1 3 8 4 Modifications and typographical errors reserved Velleman nv H2579P 2012 ED1 rev 3...

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