K2579 ILLUSTRATED ASSEMBLY MANUAL H2579IP-2 Total solder points: 62 Difficulty level: beginner 1  2  3  4  5  advanced Small size timer pro

10 10. PCB layout. PCB 14. PCB layout. H2579IP'2_rev1.pubpage 10Monday, February 11, 2013 13:19Spot color 1

11 CTL5GND1OUT3RST4THR6TRIG2DISC7VCC8IC1NE555R64K7R41KR34K7R11KR210KRV12M2C2100µT1BC547R510KRYVR15M211CD11N4148SW2 SW1ABCPOWER +12VGNDGNDGNDLD1LEDR71K

5410329311384Modifications and typographical errors reserved - © Velleman nv. H2579P - 2012 - ED2 (rev.1) Learn how to connect your computer with the

VELLEMAN NV Legen Heirweg 33 9890 Gavere Belgium Europe www.velleman.be www.velleman-kit.com H2579IP'2_rev1.pubpage 2Monday, February 11, 2013 13

3 The K2579 is a basic timer with relay output for time intervals of up to 15 minutes. Set the desired delay with the trimmer. The maximum delay can e

Assembly hints 1. Assembly (Skipping this can lead to troubles ! ) Ok, so we have your attention. These hints will help you to make this project succ

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 !

6 R1 : 1K (1 - 0 - 2 - B) R2 : 10K (1 - 0 - 3 - B) R3 : 4K7 (4 - 7 - 2 - B) R4 : 1K (1 - 0 - 2 - B) R5 : 10K (1 - 0 -

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

8 12. Connection example Connection example 220nF/400V100E/1WAB or CSnubber network**see hook-up and useNCNOABCCOM12V DC300 mAH2579IP'2_rev1.pubp

9 Hook-up and use Connect the unit with a 12VDC regulated power supply as shown in the example. Turn the trimmer all the way counterclockwise.