OPOLES (Objective & Positional Oriented Laser Engagement System)

Report
Team Members:
Ruichen Zhao
Xhoua Lor
Jen-Yuan Hsiao
John Marion
D
N
G
F
u
0
1
C37
D
N
G
D
N
G
D
N
G
MSP430F5xxx
P5.0/VREF+/VeREF+
9
P5.1/VREF-/VeREF-
n
0
a
9
8
3
9
0
P5.2/XT2IN
PJ.1/TDI/TCLK
5
6
1
2
9
4
9
PJ.0/TDO
1
PJ.2/TMS
3
4
2
P5.3/XT2OUT
PJ.3/TCK
7
8
0
9
5
9
R33
R31
P5.4/UCB1SOMI/UCB1SCL
4
2
7
1
8
1
P10.7
1
P10.6
3.3V
1
P6.0/A1
P4.3/TB0.3
Port
GPS
Trigger
7
9
6
4
P4.3
a
n
0
1
P6.1/A1
P4.2/TB0.2
P10.4
Reload
8
9
5
4
P4.2
1
P6.2/A2
P4.1/TB0.1
2
P10.3
p
U
9
9
4
4
P4.1
R32
R30
F
1
P6.3/A3
P4.0/TB0.0
P10.2
Down
0
0
1
3
4
P4.0
1
P6.4/A4
P10.1
Left
1
8
P6.5/A5
P3.7
C32
G
3.3V
3.3V
Right
2
2
4
P3.7
6
P10.5
5
4
3
2
1
1
P10.0
D
RX
GPS
RX
GPS
4
5
P4.4/TB0.4
7
4
P4.4
0
Y
p
0
0
1
N
TX
GPS
TX
GPS
2
5
P5.7/UCA1RXD/UCA1SOMI
P4.5/TB0.5
8
4
P4.5
1
C33
D
3
P5.6/UCA1TXD/UCA1SIMO
P4.6/TB0.6
9
4
P4.6
F
p
0
0
1
JTAG
N
G
P5.5
2
5
P5.4
1
5
P5.5/UCB1CLK/UCA1STE
P4.7/TB0CLK
0
5
P4.7
RST
3
1
1
1
9
4
1
2
1
0
1
D
N
G
0.1uF
0
1
7
P6.6/A6
P3.6
P4.7
P9.0
Key
3
1
4
P3.6
9
6
P6.7/A7
P3.5
P4.6
P9.2
P6.7
4
0
4
P3.5
C26
8
5
P3.4
BTN
P4.5
P9.1
9
3
P3.4
7
4
P7.0/XIN
P3.3
D
N
G
P4.4
P9.3
3
1
6
3
P3.3
Key
6
3
P7.1/XOUT
P3.2
P4.3
P9.4
F
p
0
0
1
F
p
0
0
1
4
1
5
3
P3.2
Key
0.1uF
5
2
P7.2
P3.1
P4.2
P9.5
P7.2
5
5
4
3
P3.1
4
1
P7.3
P3.0
P4.1
3.3V
P7.3
6
5
3
3
P3.0
C25
3
P7.4/A12
BTN
5
C
4
C
P4.0
Port
RF
P7.4
5
2
P7.5/A13
P9.7
2
1
P7.5
6
Right
1
P7.6/A14
P2.7
P9.6
2
Y
P7.6
7
2
3
P2.7
0.1uF
Right
P7.7/A15
P2.6/ACLK
B
Port
Miscellaneous
P7.7
8
1
3
P2.6
P2.5
2
1
0
3
P2.5
C24
8
P2.4//RTCCLK
BTN
1
Y
P8.7
9
2
P2.4
7
P8.0
P2.3/TA1.2
P8.6
P8.0
7
5
8
2
P2.3
Left
6
P8.1
P2.2/TA1.1
P8.5
P8.1
8
5
7
2
P2.2
0.1uF
Left
5
P8.2
P2.1/TA1.0
P8.4
P8.2
9
5
6
2
P2.1
4
2
4
P8.3
P2.0/TA1CLK/MCLK
LED1
D
N
G
D
N
G
P8.2
P8.3
P8.3
0
6
5
2
P2.0
C23
3
2
3
P8.4
BTN
P8.1
V
5
ULN2803
P8.4
1
6
2
2
2
P8.5
P1.7
P1.6/SMCLK
2
P1.5/TA0.4
P1.5
P1.4/TA0.3
P1.4
P1.3/TA0.2
P1.3
P1.2/TA0.1
P1.2
P1.1/TA0.0
P1.1
0.1uF
P1.0/TA0CLK/ACLK
P1.0
P9.4
7
C21
Vcore
Vcore
P9.6
7
Reload
T
T
0.1uF
Reload
1
G
D
N
G
B
Red
DVss4
8
C20
DVss3
BTN
3
DVss2
6
Trigger
DVss1
1
n
0
0
1
Trigger
DVcc4
8
C13
DVcc3
D
N
G
3
DVcc2
6
DVcc1
1
3.3V
3
P2.2
1
P8.0
3.3V
P8.5
5
6
4
2
1
2
1
0
1
9
P8.6
P7.7
D
N
G
M
O
C
B
9
P8.6
6
6
3
0
2
1
1
8
P8.7
P7.6
Port
LCD
C
8
B
8
P3.7
P8.7
7
6
2
2
9
1
2
1
7
P7.5
B
Sensor
C
7
B
7
P3.6
1
2
8
1
3
1
6
P9.0
P7.4
F
Sensor
C
6
B
6
P3.5
P9.0
8
6
0
2
7
1
4
1
5
P9.1
P7.3
H
Sensor
C
5
B
5
P3.4
P9.1
9
6
9
1
6
1
5
1
4
P9.2
P7.2
B
Blue
C
4
B
4
P3.3
P9.2
0
7
8
1
5
1
6
1
3
P9.3
P6.7
B
Red
C
3
B
3
P3.2
P9.3
2
7
7
1
4
1
3
1
5
1
8
6
P5.5
B
Sensor
B
Green
C
2
1
1
1
7
1
2
B
2
P3.1
P9.4
2
P9.5
P5.4
F
Sensor
F
Blue
C
1
B
1
P3.0
P9.5
3
7
2
6
2
1
4
1
P1.7
H
Sensor
2
U
P9.6
4
1
1
3
1
P9.7
T
S
E
P1.5
B
Blue
P9.7
5
7
0
9
T
S
E
0
1
2
D
N
P1.4
9
1
1
P10.0
P1.3
B
Green
ULN2803
P10.0
6
7
8
8
0
1
P10.1
P1.2
F
Blue
P10.1
7
7
7
7
9
0
1
9
P10.2
P1.1
F
Red
M
O
C
B
9
P10.2
8
7
3
6
8
1
1
8
P10.3
P1.0
F
Green
F
Red
C
8
B
8
P2.7
P10.3
9
7
5
5
7
2
1
7
P10.4
SMCLK
H
Blue
F
Green
C
7
B
7
P2.6
P10.4
0
8
7
4
6
3
1
6
P10.5
MCLK
H
Red
H
Blue
C
6
B
6
P2.5
P10.5
1
8
8
3
5
4
1
5
P10.6
ACLK
H
Green
H
Red
C
5
B
5
P2.4
P10.6
2
8
4
2
4
5
1
4
P10.7
Vcore
Hz
K
40
H
Green
C
4
B
4
P2.3
P10.7
3
8
6
1
3
6
1
T
S
E
T
KHz
56
Hz
K
40
C
3
B
3
n
0
P1.7
p
U
BTN
0
R13
R
I
C22
p
U
0
0.1uF
BTN
3
3
Down
Down
2
7
1
2
P11.0
AVss
A
Port
Miscellaneous
KHz
455
KHz
56
C
2
B
2
P2.1
ACLK
4
8
2
1
RESET
1
8
1
1
P11.1
AVcc
3.3V
KHz
455
C
1
B
1
P2.0
MCLK
5
8
1
1
n
7
4
4
S
P11.2
RST
C14
Port
Sensor
1
U
SMCLK
6
8
6
9
3.3V
C36
k
7
4
3.3V
R43



Free, recycled
from MilesTag
taggers.
Four pin control.
Reset and Enable
Pins.
D
N
G
K
1
Rfb1
D
N
G
D
N
G
1.69K
0.001uF
D
N
G
0.01uF
Rfb2
45.3K
0.001uF
Css
Cramp
LM25576MH
t
R
S
S
D
N
G
A
Ccomp2
D
N
G
2
1
1
T
U
O
RMAP
9
1
0
1
26.1K
0.004uF
PGND
T
R
3
1
8
PGND
B
F
4
1
7
Rcomp
5
D
1
S
I
SYNC
S
1
6
I
COMP
Ccomp
F
u
0
3
3
H
u
2
2
6
1
5
W
S
VIN
Cout
D
N
G
7
1
4
W
S
VIN
3.3V
0.022uF
8
1
3
1
L
PRE
D
S
D
N
G
9
1
2
BST
C
C
V
0
2
1
0.470uF
Cboot
1
U
22.0uF
Cin
Cbyp
1
2
Socket
Power




Global Positioning System
MN5010HS
SiRF Binary Protocol
Standalone chip that streams 32bit XYZ
positional data.
I/O
Ports
GPS Chip
GND
GND
JP1
4
k
0
1
k
0
1
GND
3
TX-O
1
R
2
R
2
1
9
7
4
1
1.8V
RX-I
3
2
2
2
1
1
4
2
4
2
VCC
D
D
N
N
OPT2
OPT1
COMM
GND31
GND29
GND27
GND24
GND11
G
G
NAV
NMR
NMR
3
2
0
2
VIO
2
1
1.8V
NAV
OPT2
S
P
P
1
OPT2
4
1
9
S
3
TX-0
F
n
3
OPT1
OPT1
3
1
8
X
T
P
P
1
ANT
RX-I
GND
0
3
7
X
R
ONOFF
BATT
1
C
ONOFF
2
2
3
3
2SMD3
Antenna
MN5010HS
VCC
5
V
4
U
BAS16
MMBT2222
X
R
RX_I
1
Q
JP2
2
D
GND
GND
3
S
P
P
1
0
3
3
2
NMR
1
BSS138
ONOFF
6
R
2
Q
BRKT
F
u
0
1
0.1uF
TX-O
X
T
4
C
3
C
k
0
1
k
0
1
LED0
1
D
8
R
7
R
VCC
VCC
1.8V
1.8V
VCC



GPS Micro-Mini
 From Sparkfun.
 Note have chip as well for second revision
based on sparkfun model.
○ Prebuilt version is more expensive.
Connector Ports
 Connect and disconnect from main board.
○ Plug and Play (kind of).
Antenna




Radio Frequency Communication.
The radio front end uses GFSK
modulation.
The channel occupies a bandwidth of less
than 1MHz at 250kbps
The ANT1 and ANT2 output pins provide
a balanced RF output to the antenna
 Zo = 15Ω+j88Ω
I/O
Ports
RF
transceiver
D
N
G
G
G
D
D
N
F
p
N
F
p
0
0
0
1
1
C
0
M
1
1
2
1
R
1
Q
1
k
2
2
n
3
3
2
C
1.0p
7
C
NRF24L01
6
C
2
R
1
D
N
G
VSS4
1.5p
Antenna
3.9n
9
1
0
9
2
D
D
V
D
2
C
X
1
0
1
3
C
X
2
3
D
D
V
VSS1
4
8
1
8
3
L
VSS3
1
D
D
V
5
5
C
7
1
7
IREF
IRQ
6
6
1
6
2
D
D
V
MISO
7
10mH
5
1
5
1
Y
VSS2
MOSI
8
1
L
4
1
4
ANT2
SCK
2.7n
3
1
3
JP1
ANT1
CSN
2
1
2
2
L
VDD_PA
E
C
1
1
1
D
N
G
4.7p
2.2n
1
U
C
G
C
C10
T
U
O
N
I
4
V
2
U
4
C
3
n
1
n
0
D
N
G
D
N
8
C
9
C
1
5
D
N
G
1
C
P
B
N
E
2
D
2.2u
MIC5205
3
N
G
D
N
G






Frequency:
2.4-2.5 GHz
Gain: 3.2 dBi
Impedance:
50ohm
VSWR < 1.9
Polarization:
Vertical
Radiation:
Omni




Transceiver nRF24L01+ Module with Chip
Antenna.
 From Sparkfun.
Connector Ports
 Connect and disconnect from main board.
○ Plug and Play (kind of).
Resistors/Capacitors/Inductors
 Biasing and Impedance Matching.
Antenna
 Chip antenna does not work well in use.



PWM Infrared light
Encodes a bit stream of data
Added 455kHz communication
I/O
Port
455kHz
Receiver
56kHz
Receiver
38kHz
Receiver
I/O
Port




Using PWM (Pulse Width Modulation)
We output a fc=40, 56 or 455 kHz square wave of
the IR light wave(950 nm = 316THz).
24 periods of 1/fc for a zero, 48 periods for a 1 and
a 96 periods for a header.
Each pulse is separated by 24 periods of off time.
From Vishay Documentation
2
2
This is an
example of a
what is actually
propagated
through the air.
1
5 periods of
pulsed IR.
Xc( t ) 0
1
2
2
0
 .00005
110
4
210
t
4
4
310
410
.0004
4

TSOP sensor has built in demodulator.
 All we see at the processor is a PWM signal
that represents a bit stream.
 Inverted signal
From Vishay Documentation



Example Signal from MilesTag website.
We are using this scheme scaled to our carrier frequencies.
At 455kHz we can fit in over ten times the data in the same
time.

Here is an example of what we generate
 Binary 01
0
1
0
1
○ Transmitted
○ Received
From Vishay Documentation
From Vishay Documentation
From Vishay Documentation




Isolates Microcontroller from sensors.
For Tricolor LEDs and Sensors.
8 Darlington Pairs Per Package.
500mA per Darlington Pair.
 Plenty of leeway Sensors max rating 200mA.
 LEDs max on a pair would be 80mA.
From TI Documentation
Single internal Circuit With on/off modeled + Driven System model
VCC
3.3V
VCC
LED1
VCC
3.3V
VCC
D2
J1
Key = Space
4
6
R1
DIODE_VIRTUAL
Q1
BJT_NPN_VIRTUAL
2
R7
10
2.7k
1
Q2
3
D3
BJT_NPN_VIRTUAL
R2
7.2k
R3
3k
D1
0
DIODE_VIRTUAL
DIODE_VIRTUAL
Jumper
LED1
B
Blue
Jumper
K
1
F
Blue
Jumper
1
R
H
Blue
Jumper
?
D
LED1
B
Red
Jumper
K
1
F
Red
Jumper
2
R
H
Red
Jumper
?
D
LED1
B
Green
Jumper
K
1
F
Green
Jumper
3
R
C
C
V
H
Green
?
D
4.7uF
38kHz
Cap
2
2
C
D
N
G
Jumper
7
4
B
Sensor
Res1
Jumper
R
B
Sensor
F
Sensor
H
Sensor
1
B
Blue
4.7uF
1
B
Red
56kHz
H
Green
Cap
1
6
2
B
Green
H
Red
C
D
1
7
N
F
Blue
H
Blue
9
8
G
Jumper
F
Red
F
Green
8
9
4
F
Green
B
Sensor
F
Red
7
0
Res1
Jumper
H
Blue
F
Blue
O
1
5
1
6
1
3
4
3
2
1
1
0
7
6
s
V
s
V
1
2
U
Hz
K
40
5
T
TSOP34838
H
Sensor
KHz
56
4
U
Jumper
KHz
455
3
T
3
C
C
V
2
1
U
O
1
F
Sensor
1
1
H
Red
3
1
F
Sensor
B
Green
2
R
5
2
1
Jumper
H
Green
TSOP34856
B
Red
4
3
1
Hz
K
40
1
U
H
Sensor
B
Blue
3
4
1
KHz
56
H
Sensor
2
5
1
4.7uF
KHz
455
F
Sensor
1
455kHz
6
1
Cap
C
C
V
B
Sensor
2
0
C
D
Port2
Sensor
Port1
Sensor
N
G
Jumper
7
4
B
Sensor
Res1
Jumper
s
V
T
U
O
3
1
F
Sensor
1
R
Jumper
C
C
V
TSOP7000
0
U
H
Sensor



9 Selection bits for color of each sensor area.
 Red Green Blue (Any Combo!)
 Head, Front and Back can light differently.
○ Select with switches or Jumpers.
3 selection bits for selection of which TSOP to
use.
 455kHz/56kHz/38kHz.
3 inputs from sensors.
 Head, Front or Back.
○ Select with switches or Jumpers
 Sensors for each section in parallel.





TSOPs
 38kHz, 56kHz and 455kHz sensors. 1 each.
Tri-Color LED
 Common Anode (changed to work with
Driver).
Decoupling Capacitor
 Stabilize Power to TSOP.
Resistors
 Current limiting for Sensors and LEDs.
Ports
 1 in, 1 out in parallel.





TSAL6100
 Highly directional IR LED
TSAL driver MOSFET (optional but likely)
Muzzle Flash
 Standard white LED.
Resistors
 Current limiting for the LED.
Cable
 Run to main board




Display (LCD)
 8X2 Char. LCD or one available from lab
○ Serial Interface
○ Need driver circuit.
Sound
 Peizo Buzzer
 ISD Sound Chip
Controls (Keypad/Buttons)
 Directional Buttons.
 Trigger
 Reload
 Key switch
Team color selecting LEDs
 Tell a player which sensors are active
 Tell players which team a player is aligned with.
 Other game specific options.




Working GPS communication
Sensors communicate correctly with
microcontroller
Microcontroller interrupts correctly
Revision 1 of PCB completed and integrated





Final revision of PCB is complete
Working RF link
All basic functionalities complete
Working on documentation
Possibly working on audio feedback
 If time allows


Two working prototypes
 Communicate with each other
 Has a game play function set up
Completed documentation
 User Manual
 Technical Manual
Part
TSOP7000
TSOP34838
TSOP34856
Tricolor LEDS
MSP430
LCD
Power Reg. Chip
RF Modules
GPS module Prebuilt
GPS Chip
TSAL6100
Flash Diode
ULN2803
ULN2803
FR-4
Paper for Etching
Etchant
PCB
TOTAL
Quantity
20 455kHz
20
20
23
2
2
2
2
1
1
2
2
2
2
1
1
1
3
Notes
38kHz
56kHz
Common Anode
Samples
Recycled
Samples
Nordic
Whole Module
Chip for our module/design
Recycled
Recycled
2 from Sparkfun
from mouser (cheaper if we go smd)
Large sheet multiple sensors
Might Have some
John Has TOO MUCH
1 GPS and 2 main boards
PRICE
Total
$1.80
$36.00
$1.20
$1.20
$1.59
$0.00
$0.00
$0.00
$19.95
$89.95
$39.95
$0.00
$0.00
$1.95
$1.35
$10.00
$10.00
$0.00
$35.00
$24.00
$24.00
$36.57
$0.00
$0.00
$0.00
$39.90
$89.95
$39.95
$0.00
$0.00
$3.90
$2.70
$10.00
$10.00
$0.00
$105.00
$421.97

John:
 Protocols
 Documentation
 Sensor boards
○ Design & Etching

TJ:
 RF interface
 Hardware construction
o Soldering
o Wiring

Jen-Yuan:
 Schematics
 Board Layout
 GPS

Richard:
 Coding
 Protocol Practicality

similar documents