Cyclops Walkbot

Introduction: Cyclops Walkbot

This is a single PCB about 1" square large with a miniature switch, LED, cell phone vibrator motor, 3V battery and four 22 gauge wire legs. When turned on, it does an excited wheeling dance. It's a simple project, but the act of assembling something that makes noise, moves and has a light that seems to thrill both adults and kids alike.

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Step 1: Required Tools

Required tools and parts:

Soldering iron and solder
Wire strippers

The Cyclops Walkbot Kit Includes:

3V 165mAh CR-2325 Battery
SPDT Mini Slide Switch
CR-2325 Battery Holder
Printed Circuit Board
T1-3/4 Red LED
22AWG Hook-up Wire
3V DC Vibrating Motor
680Ω Resistor 3/4 Watt 5%

Step 2: Verify the PCB and Start Soldering

Verify PCB
Before soldering everything, it's very important to identify which side of the PCB is top and bottom. The top of the PCB has the words "Cyclops", "M1", "R1"; and the bottom just has "+" and "-" markings.

Vibrating Motor
On the top of the PCB, there is a label M1. Take the vibrating motor and make sure it is in the correct orientation. Solder the four leads of the motor to the board.

Solder the LED
Before soldering the LED (to the top of PCB), you must position it with the correct polarity. The LED slot has a circle frame labeled D1. Inside the circle there is a square pad and a circle pad, to correctly place the LED with the correct polarity, the LED with the shorter leg should be soldered in the square pad and the longer leg in the circle pad.

Solder the Resistor
The 680Ω resistor (top of PCB) will be soldered in the rectangle frame labeled R1. Polarity is not a concern for resistors.

Step 3: Soldering the Switch and Battery Holder

Solder the Switch
The miniature switch (top of PCB) is labeled "SW" and should be soldered in the correct configuration. Make sure the switch faces outward from the PCB, not inward.

Solder the Battery Holder
Before soldering the battery holder (bottom of PCB), look for a "+" symbol and "-" symbol. The battery holder must be soldered with the correct polarity in order for it to work. The metal piece that shows the "+" symbol on the battery holder which will have its metal sticking out should be soldered at the "+" symbol, and the minus at the other metal sticking out.

Step 4: Power It Up and Give It Legs

Insert the Battery
The 3V CR2325 Button Cell Battery must be inserted with the correct polarity in order for it to work. On the battery holder, you should see a metal minus symbol flat on the surface and the metal plus symbol dangling in the air (directly above the minus symbol). The CR2325 battery must be inserted in between the two metals and the polarity must be placed just as it is indicated, plus side up (visible) and minus side down.

Solder the Legs
Cut four 1-1/2" length pieces. Use wire strippers to remove the part of insulation and reveal the copper wires, then solder them into the corners from the underside of the PCB. Make sure the legs are fairly straight, and now you can slide the switch and enjoy your new Cyclops Walkbot!

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