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Half Droid
Round Rover V8.1
Assembly Instructions
Recommended Age: 12 and up
Difficulty Level: 3/5
(Soldering Required, programming, connecting wires, small parts – choking hazard)
www.RabbitRobots.com
WARNING: CHOKING HAZARD – This kit contains small parts. Not suitable for children under 3 years
ID QTY Description Re-Order #
A 1 Half Droid Level 1 HD-001
B 1 Half Droid Level 2 HD-002
C 1 Half Droid Level 3 HD-003
D 1 Half Droid Level 4 HD-004
E 2 Half Droid Motor Mount HD-005
F 2 Half Droid Battery Wall 1 HD-006
G 1 Half Droid Battery Wall 2 HD-007
H 1 Half Droid Encoder Mount HD-008
I 2 Pen Mount HD-009
J 1 Servo Mount - 35mm SM-35-01
K 1 Antenna Mast 45mm AM-45-F
L 1 Antenna Mount AM-01
M 1 Roller Bearing 5/8", Menards #9110 M9110
N 1 Ultrasonic Sensor Mount 35mm USM-35-01
O 1 LCD Mount 45mm LCD-45-01
P 13 M2 Wood Screw - 6mm M2X6
Q 5 M3 Nylon Washer - 3X9mm NW-3X9
R 15 M3 Screw Nylon Black N-M3X5
S 10 M3 Nylon Standoff - 5mm NSO-3X5
T 4 M3 Screw - 25mm M3X25
U 4 M3 Nylon Lock Nuts NLN-M3
V 4 M4 Nylon Standoff - 25mm NSO-4X25
W 4 M4 Nylon Standoff - 35mm NSO-4X35
X 4 M4 Nylon Standoff - 45mm NSO-4X45
Y 34 M4 Screw - 8mm M4X8
Z 2 Gearbox / Motor Assembly TTGear1:48
AA 2 Wheel wheel
BB 1 Voltage Regulator LM2596 PS-LM2596
CC 5 Line Sensor Module (4-pins) TCRT-5000
DD 1 9G RC Servo SERVO-9G
EE 1 Ultrasonic Sensor HC-SR04
FF 1 LCD Display 1602 I2C LCD-I2C
GG 1 L298 Motor Driver Board L298N
HH 1 Arduino Mega 2560 A-MEGA2560
II 1 USB Cable - 30cm - A/B CBL-USB
JJ 1 3 Position 2 Pole Power Switch SW-3P
KK 1 8xAA Battery 1.5V Holder BH-08AA
LL 1 2.1mm Power Connector - Male Conn21M
MM 1 2.1mm Power Connector - Female Conn21F
NN 1 2.1mm Power Connector - Male w/ 10" cable Conn21CBL
OO 10 Module Jumper Wires MF - 20cm JW-20
PP 7 Power Wires wire
QQ 2 Mini Cherry Switch CS-001
RR 1 Serial WIFI Wireless Transceiver ESP-8266
SS 1 Light Sensor CS-001
Required Tools:
Phillips #1 Screwdriver
Phillips #2 Screwdriver
Provided plastic M3 Wrench
Extra Recommended Tools:
Sandpaper
Needle File
Knife
Wire cutters
This kit is intended to be the base platform for your education into robotics. Please take the opportunity
to expand your robot to do many more functions.
Additions you can do:
Mount a 9G servo between Level 1 and Level 2 for controlling an ink Pen or Marker to go UP and Down.
Mount a standard servo or 9G servo at Level 4 ... for whatever you want.
Use the extra mount areas for the HC-04 BlueTooth, ESP 8266 Wifi, Accelerometers, Gyroscopes, Dual Relay board ... etc.
Mount a voltage regulator for powering the L298 motor controller. This means that friendly
competitions become about who has the best code, not about who has the best charged batteries.
Mount encoder wheels and quadrature opto-isolators to track your wheel movement.
Projects:
Play musical beeps
Random dance movement with beeps
Display the motor command speed while moving
Display the Ultrasonic distance on the display
Detect the wall to avoid hitting it
Wave a flag as you drive around
Use the robot to draw “Spirograph” art
Connect to a network and host a web site
Control the robot from a PC web site
Control the robot from a PC application (using UDP network communications)
Control the robot from your tablet or cell phone
1) Mount the Castor Bearing to the Level 1
Bottom View
Top View
Level 1 M4x12mm Screws
Roller Bearing
2) Mount the M4x35mm Standoffs for Level 1
Bottom View
Top View
3) Mount the Lower Pen Mount
M4x12mm Screws M4-35mm Standoffs
Pen Mount M4x12mm Screws
4) Mount the M3 Standoffs for L298N motor driver
board
5) Mount the L298N motor driver board to the
standoffs
M3-5mm Standoffs
L298N M3x9mm Screws
6) Mount the Ultrasonic sensor
7) Mount the LEFT motor gearbox to the plate
Motor Mount M3x25mm Screws
M3 Nuts Motor
Ultrasonic Mount Ultrasonic Sensor
M2x6mm Screws
8) Mount the RIGHT motor gearbox to the plate
9) Mount the wheels
Wheels
Motor Mount M3x25mm Screws
M3 Nuts Motor
10) Put the encoder plates and servo mount onto the
Level 1
11) Put the motor plates onto the Level 1
Encoder Mounts Servo Mount
12) Mount the Standoffs to Level 2
Bottom View
Top View
Level 2 M4x12mm Screws
M4-35mm Standoffs
13) Mount the Upper Pen Mount
14) Mount the Level 2 to the standoffs of Level 1
M4x12mm Screws
Pen Mount M4x12mm Screws
15) Mount the main power switch
16) Put the Battery Walls onto Level 2
Switch M2x6mm Screws
Battery Walls
17) Put the ultrasonic plate onto the Level 2
18) Mount the Standoffs to Level 3
Top View
Bottom View
Level 3 M4x12mm Screws
M4-35mm Standoffs
19) Mount Level 3 to the Standoffs
20) Mount the M3 Standoffs for the Mega 2560
M4x12mm Screws
M3-5mm Standoffs
21) Mount the Mega 2560
22) Mount the LCD Display to the plate
Arduino Mega 2560
M3x9mm Screws
LCD Mount LCD M2x6mm Screws
23) Mount the voltage regulator
24) Mount the Level 4 to the Standoffs of Level 3
Voltage Regulator M2x6mm Screws
Level 4 M4x12mm
25) Modify the TCRT5000 sensors
Bend the leads straight
Remove the extra parts off the head of the sensor
Re-solder the head of the sensor to be as close to the circuit board as possible
Be sure to cut the extra wire
26) Mount the TCRT5000 sensors
Modified IR Reflective Sensors
M3x9mm Screws
27) Assemble the Antenna Mast
29) Press the Antenna mast into the receiver slots
DONE….
Antenna Mast Antenna Mount
M2x6mm Screw
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