Makefun Insect-Robot User manual

Make you ideal fun
1
Insect-Robot Instruction Manual

Make you ideal fun
2
Insect Robot
1.0 What You’ll Learn
In this project, you’ll create an Insect Robot that walks forward on four legs. Actually it's not really an
insect because it only has four legs, insects does have six legs, right? However, the robot got the name because
of its shape with the thin wire legs and the infrared sensor as eyes .
We will briefly learn servo, arduino Nano and infrared sensor and build a body for the insect by binding
two servos together and shaping legs for it from a iron wire. Arduino will turn the two servos into one at a time,
which moves each pair of metal legs like real legs so the insect can crawl forward. We will also strap battery
on the body so our insect can move autonomously.
Once you’ve learned the techniques in this chapter, you can easily extend your Insect Robot with new
tentacles and sensors and new code. This easy-to-assemble kit is designed to enable creative engineering and
robotics learning for age 6 and above. It is the best way to start building robot on Arduino.
List of Components and Tools
◆Arduino nano V3.0 Atmel ATmega328 Mini-USB Board*1
◆SG90 Servo*2
◆SHARP GP2Y0A41SK0F IR Sensor*1
◆3.7V/ 600mAh Lithium battery *1(With USB Charger)
◆Steel Wire 200mm x 1mm*1
◆ABS Sheet (50x50mm)*1
◆Double Sided Foam Tape(L/W/H:40x30x3mm)*1
◆Cable Tie 1.8x100mm*5 , 4x200mm*1
◆3*75mm cross screwdriver*1
◆Some Dupont Lines
◆Scissors*1
Other tools :
Sharp-nose pliers*1
Electric iron

Make you ideal fun
3
Picture-2 Device list and physical connection
To start program, a Mini USB data line and a computer are needed.After the assembly is completed , you need
to use the Arduino IDE to burn the code. Please refer to《How to start.pdf》

Make you ideal fun
4
2.0 Components Introduction
2.1 Arduino Nano
The arduino Nano is an ultra-small simple I/O platform based on open source code,it has a big
advantage in size compared with UNO R3 board.
Figure-3
2.2 Servo Motor
Servo motors come in different sizes and prices and are based on different technologies. In
this context, we are talking about micro servos, which usually used in R/C toys. Servo motors
have a servo controller that directs the position of the motor wherever we want. The red wire is
power, the gray is GND and the orange is the data wire.
The motor itself is a DC (direct current) motor with gears. Servo motors usually rotate
rather slowly with a strong torque. You can buy micro servo motors with either limited
rotation or continuous rotation. Limited rotation models work for most purposes, and you can
control their movement quite precisely by degrees. If use continuous rotation servos, you can
control only speed and direction.

Make you ideal fun
5
Figure-4
2.3 SHARP GP2Y0A41SK0F
GP2Y0A41SK0F is a distance measuring sensor unit, composed of an integrated
combination of PSD (position sensitive detector) , IR-LED (infrared emitting diode) and
signal processing circuit. The variety of the reflectivity of the object, the environmental
temperature and the operating duration are not influenced easily to the distance detection
because of adopting the triangulation method. This device outputs a corresponding voltage to
the detection distance. So this sensor can also be used as a proximity sensor.
Figure-5

Make you ideal fun
6
3.0 Assembly
Through the above steps, we have learned about the devices, functions, parameters and schematic diagrams of
insect robots. Now let’s start to assemble.
3.1 Fixed two SG90
Figure-6
Gluing the two servo motor together with cable
Figure-7

Make you ideal fun
7
Tying the servo motor tightly with cable tie and cut out the excess.
Figure-8
Put a foam on the top of the servo (at A of Figure 9), which is used to support the NANO main control
board , as shown in Figure 10.
Figure-9

Make you ideal fun
8
Figure 10
3.2 Making infrared sensor fixed frame
Cut the paper to the shape and size as figure 11 shown.

Make you ideal fun
9
Figure 11
Bend the cutted paper into the shape as figure 12.
Figure 12

Make you ideal fun
10
Install the paper on the servo as figure 13.
Figure 13
Fix the paper with cable tie as figure 14.
Figire 14