This is the Beetle Robot v. 3 you are going to build:
Before starting, I suggest you to read the complete tutorials. This will greatly lower the chances of you making a mistake.
Tools Needed:
- soldering iron  ( here’s a helpful tutorial on soldering )
- electronic solder
- diagonal cutter
- Mini glue gun
Components for the robot
- 2x – small 1.5 Volts motors
- 2x – small paperclips
- 2x – big paperclips
- 2x – batteries AAA or AA
- 1x – battery holder AAA or AA
- 1x – 2 cm of heat shrink
- 1x – wooden pearl  (for the caster)
- 1x – meter of electric wire
- 2x – Sub-mini lever SPDT switches
| Component | Number |
| soldering iron | 64-2184 |
| electronic solder | 64-006 |
| diagonal cutter | 64-2951 |
| 1.5 Volts motor | 273-223 |
| battery holder | 270-398 |
| SPDT switch | 275-016 |
At RobotShop you can find the dual AA battery holder and the small DC motor. You can find these components at any good electronic store.
Here is all the parts for the construction the beetle robot.
1. Cut the electric wire in pieces of 6 cm each, 13 times.
Strip 1 cm at each end.
2. Regroup all the components.
3. Solder each wire to each components except the two batteries.
4. Take the battery holder and make a connection to the connection.
This will give a third connection.See picture below.
The blue wire is the third connections
5. Turn the battery holder up side down so the batteries point to the ground. Glue the two switches on the battery holder in a V form.
6. Glue the motor beside each switch so that the shaft touches the ground
7. Take the big paperclip and make the caster like the picture below.
You can make a nice looking caster or a normal one
I prefer the nice one
8. How to make the connection
9. Take the small paper clip and bend them to make antenna.
Glue them to the switches and don’t put to much glue.
Add 1 cm of heat shrink to the shaft of each motor.
10. Add the batteries in the battery holder and put it on a flat surface to see your creation take life. Congratulation!
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