Abra AK-72 Manual Download Page 16

Page: 16 / 16

13) When your running flow LED module is turned ON, grab a small flat head screw driver and

adjust the variable resistor (R4) to set the speed of the running LEDs.

14) You have completed the assembly of your module.

For more Educational D.I.Y. Kits visit

www.

Summary of Contents for AK-72

Page 1: ...Running Flow LED Light NE555 CD4017 Module D I Y Kit Running Flow LED Light NE555 CD4017 Module D I Y Kit AK 72...

Page 2: ...2 Table of Contents 1 Description 3 2 Specification 3 3 IC pinout 3 4 Component List 4 5 Assembly 5...

Page 3: ...ck signal which turns the LEDs ON one after the other in sequence This module works with a supply voltage of 2 5 to 14 5 DC Volts The NE555 astable timer works in conjunction with 4 resistors R1 R2 R3...

Page 4: ...d below 1 1x PCB Printed Circuit Board doubled sided tin plated blue soldermask white silkscreen 2 10x 1k SMD resistors R1 R5 R6 R7 R8 R9 R10 R11 R12 R13 3 2x 2k SMD resistor R2 1x spare 4 2x 10k SMD...

Page 5: ...x 3mm red LEDs not labeled 10 1x single row 2 pin header not labeled Assembly 1 In order to assemble the module you need the following tools It is recommended to have some isopropyl alcohol and a fine...

Page 6: ...6 ATTENTION DO NOT USE RUBBING ALCOHOL IT WILL DAMAGE THE COMPONENTS 2 Open the package and verify the components refer to section 4 Component List on page 4 for this step...

Page 7: ...pacitors from their package by removing the clear tape and leave them on your workbench for the next step ATTENTION SURFACE MOUNT COMPONENTS ARE VERY SMALL DO NOT LOSE THEM IT IS RECOMMENDED TO USE YO...

Page 8: ...soldering tip size is correctly chosen and it is clean b The soldering iron temperature depends on the type of solder used c If you are using a typical 60 40 lead solder depending on the thickness the...

Page 9: ...g the component makes the process easier ATTENTION SOLDERING SHOULD BE DONE IN A VENTILATED AREA BREATHING SOLDER FUMES WILL HARM YOU 6 Start the assembly by soldering the SMD resistors capacitors and...

Page 10: ...10...

Page 11: ...11...

Page 12: ...Once all the surface mount components are soldered on the board proceed to the next step 7 Place the variable resistor R4 in its designated location and solder the leads on the bottom side of the boa...

Page 13: ...Ds and solder the leads on the bottom side of the circuit board You can secure the LEDs by taping them down on the top side of the board or by slightly bending their leads You can solder them all at o...

Page 14: ...14...

Page 15: ...a pair of alligator clips Otherwise solder two pieces of wire to the positive and the negative leads on the board 11 Using your brush isopropyl alcohol and lint free cloth clean the board thoroughly a...

Page 16: ...ON grab a small flat head screw driver and adjust the variable resistor R4 to set the speed of the running LEDs 14 You have completed the assembly of your module For more Educational D I Y Kits visit...