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AREXX Engineering & JM3 Engineering SKY WALKER SW-007 Manual

Educational robot system
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Educational Robot System SW-007
Educational Robot System SW-007
Educational Robot System SW-007
SKY WALKER
SKY WALKER
SKY WALKER
Manual: Model SW-007
Manual: Model SW-007
Manual: Model SW-007
© ©
© ©
© ©
©
2007 AREXX Engineering
2007 AREXX Engineering
2007 AREXX Engineering
2007 AREXX Engineering
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Summary of Contents for AREXX Engineering & JM3 Engineering SKY WALKER SW-007

  • Page 1 Educational Robot System SW-007 Educational Robot System SW-007 Educational Robot System SW-007 SKY WALKER SKY WALKER SKY WALKER Manual: Model SW-007 Manual: Model SW-007 Manual: Model SW-007 © © © © © © © 2007 AREXX Engineering 2007 AREXX Engineering 2007 AREXX Engineering 2007 AREXX Engineering...

  • Page 2: Table Of Contents

    Contents Product description Sky Walker Soldering 2.1 Necessary tools 2.2 Soldering techniques 2.3 Troubleshoot soldering mistakes Electronic components 3.1 List of electronic parts 3.2 The soldering job 3.3 Electronic circuit test 3.4 Electronic trouble shooting Information electronic parts Electronics 5.1 Block diagram 5.2 Explanation black diagram 5.3 Function description of electronic parts Mechanics...

  • Page 3: Product Description Sky Walker

    1. PRODUCT DESCRIPTION SKY WALKER The Sky Walker is a striking robot with two sensors. One sensor watches the light intensity, the other listens to sounds. When there is a sound or light effect, the Sky Walker reacts on it by walking for a few seconds and then it automatically stops. High on his four legs, the Sky Walker walks kind of wobbly.

  • Page 4: Soldering

    2. SOLDERING Before you start soldering we will give you some advise and instructions: Before you start soldering we will give you some advise and instructions: Please read the complete soldering instructions before you start. Work accurately and follow the Please read the complete soldering instructions before you start.

  • Page 5: Soldering Techniques

    2.2 Soldering techniques: Only use lead free ROSIN CORE solder! Correct position for professional soldering Never use any liquid or paste flux! Hold the iron like a pencil and only heat the component wire Only add a little solder for a few seconds. each time PASTE 3.

  • Page 6: Troubleshoot Soldering Mistakes

    2.3 Troubleshoot soldering mistakes: Cold PCB Not enough solder Solder is attached to the component wire but not to Solder did not flow the PCB copper. Cold component Bridge of solder Two separate solder spots Solder is attached to the are connected to each other PCB Copper but not to the making a short circuit...

  • Page 7: Electronic Components

    3. ELECTRONIC COMPONENTS When the component has a marking near the legs the polarity is extreme important ! Assembly with the wrong polarity can dammage the component or the complet circuit! Component Assembly PCB symbol Circuit symbol Variable Resistor Variable Resistor (Potentiometer) (Potentiometer) Resistor...
  • Page 8 Component Assembly PCB symbol Circuit symbol PHTR Transparent or black Switch Switch Microphone Bottom Gnd is connected view with the metal body Lamp Terminal pin No symbol M1, M2 MOTOR (terminal) S1, S2 SW (terminal) Motor Battery (not included)

  • Page 9: List Of Electronic Parts

    3.1 List of electronic parts: Resistors 0,25 Watt; 5% Marking: Quantity: … 15 Ω (Brown, Green, Black, Gold) 1 pc. … 1 KΩ R1, R3, R7, R8 (Brown, Black, Red, Gold) 4 pcs. … 3.9 KΩ R2, R4, R12 (Orange, White, Red, Gold) 3 pcs.

  • Page 10: The Soldering Job

    3.2 The soldering job: First please check if all parts are complete with help of the parts list on page 9 and the circuit on page 18. The markings on the PCB show exactly at which location you should solder the parts. If you need more information, please check the drawing of the PCB.

  • Page 11: Electronic Circuit Test

    3.3 Electronic circuit test Before you start with the mechanical assembly we do a simple test to check the function of the electronic circuit. Please notice! Please notice! Please notice! Please notice! Please notice! Please notice! Please notice! Please notice! We did not draw the lamps on this PCB! We did not draw the lamps on this PCB! We did not draw the lamps on this PCB!

  • Page 12: Electronic Trouble Shooting

    3.4 Electronic trouble shooting PROBLEM CHECK The lamps do not light. • Check the polarity of the battery. • Check the battery (is it full). • Check the polarity of the battery holder. • Check the sensitivity of the microphone. The lamps do light but the Sky Walker does not react •...

  • Page 13: Information Electronic Parts

    4. Information electronic parts Lamp A very common part which you can find in each household. Because of the low voltage we are using an incandescent light bulb. This type transfers electricity in light and heat. The efficiency is poor, because the heat is a waste of power which we do not want. Therefore we use more and more LEDs as a lamp.
  • Page 14 Variable resistor Besides the normal resistors we also have the variable resistor which is also called potentiometer (potmeter). The variable resistor is available in many types and shapes. One of the most familiar variable resistors is the volume regulator in a radio. The type which is used in our robot is directly placed on the PCB.
  • Page 15 Transistor The transistor is a semiconductor which can be used as a switch and for amplification. The transistor has three terminals: Basis, Emitter and Collector. These three terminals are normally marked with the first letter; B, E, and C. The transistor is supplied in many types and shapes.
  • Page 16 IC = Integrated Circuit "Integrated Circuit" means a complete electronic circuit on a silicon chip. With the name IC we describe a complete circuit which normally contains several transistors and other electronic parts like resistors and capacitors in one building block. There are many dif- ferent types and shapes of ICs.

  • Page 17: Electronics

    5. ELECTRONICS 5.1 Blockdiagram Power supply & Lightsensor section Lamps section Motor section Microphone Filter Timer sensor section section section Big electronic schematic diagrams can be very complicated. To simplify such a complex diagram we often use a blockdiagram. In a blockdiagram we imagine several electronic circuits as a block with their own function. So with the above blockdiagram we can see the function of the Sky Walker electronics.

  • Page 18: Function Description Of Electronic Parts

    5.3 Function description of electronic parts: Above you can see the complete circuit diagram of the Sky Walker. As you can see it is much more complex than the blockdiagram we discussed on the previous page. Microphone section The microphone section consists of an electronic condensor microphone ECM which detects the soundwaves.
  • Page 19 Lightsensor section Power voltage Signal The phototransistor can see the difference between light and dark. When it is light, there is a small current flow through the PHTR and the Collector to Emitter is almost fully open. When it is dark, there is a very small current flow, and C/E is almost closed. The current (and the sensitivity of this circuit) can be adjusted with VR2.

  • Page 20: Mechanics

    6. MECHANICS IMPORTANT: First read all the instructions about the mechanics ! Follow the step-by-step instructions for the mechanical assembly as shown in this manual. Read and work very accurately. This is the best way to avoid assembly failures. When you follow these instructions and study the drawings and comments carefully, you have a big chance the robot will work directly and without any problems.
  • Page 21 Self-tapping screws (Parker) A self-tapping screw looks similar to a wood screw. When you screw it in a hole, it can cut the threads at the same time. Never try to screw it down all the way for a first time, because it may easily become stuck or you will damage its head.

  • Page 22: List Of Mechanical Parts

    6.1 List of mechanical parts: Please check all parts before you start assembly! Screw long Screw short Nut M3 Washer M3 Spring washer Metal Washer M3  M3x30 4 Pcs.  M3x12 6 Pcs.  18 Pcs.  2 Pcs. ...

  • Page 23: Instructions Mechanical Assemby

    6.2 Instructions mechanical assembly 1 pc. Motor For the assembly of the motor you need; 1 pc. Pinion gear (for motor) 1 pc. Switch 1 pc. Chassis panel First always collect all the parts, as mentioned 1 pcs. Motorbase in the "parts you need list", before you start 1 pc.
  • Page 24 Assembly of the left and right sidepanel: 2 Pcs. Sidepanel L & R To assemble the sidepanels you need; 4 Pcs. L Bracket 4 Pcs. M2x5 screws Assemble in numerical order: Sidepanel Left Sidepanel Right Important! Axes on this side! NOTICE! The L Brackets should be assembled very straight to the side panels.
  • Page 25 Assembly of the sidepanels: 1 Pc. Sidepanel left 1 Pc. Sidepanel right For the assembly of the sidepanels you need; 1 Pc. Pipe spacer Ø 3x5 1 Pc. Crank Push the right sidepanel, pipe spacer and crank on the gearshaft. Hit slightly with the hammer, do not hit the terminals! OR BETTER, Push the gear on the shaft with your hands.
  • Page 26 Install the back legs to the sidepanels: 1 Pc. Assembled side panels To install the back legs you need; 2 Pcs. Assembled back legs M3 nut 2 Pcs. Spring washer M3 M3 spring washer 2 Pcs. M3 nut Notice the correct position in the crank! Below WARNING!
  • Page 27 Install the joint strip of the front legs: 1 Pc. Assembled side panels To install the joint strip you need; 2 Pcs. M3x12 screw 2 Pcs. Spring washer M3 2 Pcs. M3 nut 2 Pcs. M3 nut 2 Pcs. Ø 3x5 pipe spacer 2 Pcs.
  • Page 28 Installing the gears: 1 Pc. Assembled side panels 1 Pc. Chassis panel 1 Pc. Crown gear with pinion To install the gears you need; To install the gears you need; To install the gears you need; 1 Pc. Flat spur gear with pinion BIG 1 Pc.

  • Page 29: Test Of The Sky Walker

    7. TEST OF THE SKY WALKER 7.1 Mechanical test: This is a very simple test to see if the legs are moving. Connect the battery directly to the blue and orange motor wire, as shown on the drawing. In this step the POLARITY is not really important! When the legs are not moving correctly, please use the When the legs are not moving correctly, please use the...

  • Page 30: Final Assembly

    7.2 Final assembly: 1 pc. Assembled Chassis For the final assembly you need; 1 pc. Assembled PCB 3 pcs. M2,6x6 selftapping screw Insert the four wires to the hole in the PCB and install the PCB with the 3 selftapping screws to the chassis. Connect the wires according the table below Wire color Wire color...
  • Page 31 FINAL TEST AND ADJUSTMENT OF THE SKY WALKER; Switch on the robot, the lights start glowing Switch on the robot, the lights start glowing. 1) Clap 1) Clap in your hands. in your hands. 2) The Sky Walker 2) The Sky Walker should walk forwards for a few should walk forwards for a few seconds and then stop automatically.

  • Page 32: Information About Gears

    8. INFORMATION ABOUT GEARS The mechanics of the SKY WALKER ROBOT consists of two parts. The first part is the gear box, which takes care that the power from the motor shaft is converted to the crank. The second part is to convert the rotation of the crank into a movement of the feet.
  • Page 33 Appendix A AC AND DC POWER SOURCES 1.5 Volt battery Type AA or AAA On page 15 we already gave some information about the battery power source, but... there is more to explain about this item. The voltage of a battery is a quite low DC voltage.
  • Page 34 PERSONALIZE THE SKY WALKER If you like, you can personalize the Sky Walker. You can cut symbols and characters from paper (or colored tape) and fix it with transparent tape or glues, This way you can simply make a personalized Sky Walker. You can also use a special paint which is suitable for plastics! You will have a lot of fun making your...

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