Ramsey Electronics Walking Electronic Bug WEB1, Assembly And Instruction Manual

Page 1: ...to play with Runs for a long time Runs on 2 N batteries Avoids obstacles or runs away from a flashlight Adjustable sensitivity and speed Watch the little bug scoot across the table and turn to avoid o...

Page 2: ...AMATEUR RADIO KITS HR Series HF All Mode Receivers DDF1 Doppler Direction Finder Kit QRP Series HF CW Transmitters CW7 CW Keyer QRP Power Amplifiers RAMSEY MINI KITS Many other kits are available for...

Page 3: ...4 Learn As You Build Kit Assembly 5 Parts List 6 Assembly Steps 7 WEB1 Parts Layout Diagram 10 WEB1 Schematic 11 Setup and Testing 14 Troubleshooting Guide 16 Ramsey Kit Warranty 19 KIT ASSEMBLY AND...

Page 4: ...ve the motors but instead turns them on through transistors Q1 and Q3 This is done because although the motors don t draw much current on average they do when they initially start spinning The 555 obj...

Page 5: ...es into wrong holes Second whenever possible we install in an order that fits our Learn As You Build Kit building philosophy This entails describing the circuit that you are building instead of just b...

Page 6: ...esistor brown black red R4 1 68 ohm resistor blue gray black R3 1 330 ohm resistor orange orange brown R1 2 10K ohm potentiometer R2 R5 CAPACITORS 1 1 uF electrolytic capacitor C2 1 10 uF electrolytic...

Page 7: ...tall R1 330 ohm resistor orange orange brown next to R2 9 Install R5 10K ohm potentiometer above R2 10 Install Q1 2N3904 transistor marked 2N3904 above C2 Make sure the flat side lines up with the fla...

Page 8: ...he sides of the board using the picture as a guide They should stick out the BOTTOM of the PC board the side opposite the one that all the components are already soldered to Be sure to snip off the en...

Page 9: ...tangular outline on the TOP of the board This is just to help you place the motor in the right spot Take a look at the picture below or the parts layout diagram and note that one pattern is at an angl...

Page 10: ...WEB1 10 WEB1 BOARD PARTS LAYOUT DIAGRAM...

Page 11: ...WEB1 11...

Page 12: ...d It doesn t take much heat Be careful when heating the pads up The motors are a little sensitive to the heat and can t be baked to death like most other components Solder the black wire to the other...

Page 13: ...WEB1 13 the red wire goes here Now tape the battery pack to the top of the board using the double sided foam tape provided...

Page 14: ...Forward motion adjust A If the bug does not move forward at all bend the back runner to make it a little more straight or a little more angled When you get the angle right your bug will move B Once t...

Page 15: ...rn A black or very dark obstacle may not cause the bug to turn because it absorbs the infrared light instead of re flecting it B The next step is to bring your hand or other everyday object near the f...

Page 16: ...zing Motor buzzes but bug just sits there or drifts Bug keeps turning even though only one motor is on Both motors are always on Check parts placement specifically U1 and transistor orientation Readju...

Page 17: ...rning motor comes on at obstacle but bug does not turn Bug jumps up and attacks Some tweaking of the side runners is needed Adjust R2 up and down Try a different surface Unforeseen emergent property C...

Page 18: ...friendly format that is possible As our customers we value your opinions comments and additions that you would like to see in future publications Please submit comments or ideas to Ramsey Electronics...

Page 19: ...and received five extra 1K resistors you can pretty much be assured that the 1K ohm resistors are actually the missing 10 K parts Hum m m I guess the red band really does look orange Ramsey Electronic...

Page 20: ...n manual for RAMSEY MODEL NO WEB1 WALKING ELECTRONIC BUG KIT REQUIRED TOOLS Soldering Iron WLC100 Thin Rosin Core Solder RTS12 Needle Nose Pliers MPP4 or RTS05 Small Diagonal Cutters RTS04 ADDITIONAL...