BOE USB schematic

Vin
AppMod Header
P15
P13
P11
P9
P7
P5
P3
P1
Vss Vss
P0
P2
P4
P10
P6
P8
P12
P14
VddSout
BS2-IC
Sin
ATN
Vss
P0
P1
P2
P3
P4
Vss
Vdd
P5
P6
P7
Res
P15
P14
P13
P12
P11
P10
P9
P8
Vin
Vdd Vin Vss
LM2940
Vin Vout
+
Vdd
Vss
++
2.1 mm
Power Jack
6-30 VDC
Vss
VinSw
Vdd
Vss
VssVss
++
P12
P11
P10
P7
P8
P9
P4
P5
P6
P3
P2
P1
P0
P13
P14
P15
Vdd
Vss
Vss
0.1 µF
Servo
Connects
9 VDC
Battery Jack
1000 µF
Breadboard
1000 µF
Vin Vservo
Switch
2
1
0
Vdd
Jumper*
* When using servos do not exceed 6 VDC on Vin.
If Vin is greater than 6 VDC set jumper to Vdd.
Vservo
Board of Education
w/USB interface Rev. D
Vservo
VinSw
VinSw
Vss
Vin
VinSw
VinSw
599 Menlo Dr. Ste. 100, Rocklin, CA 95765
www.Parallax.com [e-mail]
PB
Vss
Vservo
P14
P12
P15
P13
1
2
3
X4-A
15
Red
Black
1
2
3
X4-B
14
Red
Black
1
2
3
X5-A
13
Red
Black
1
2
3
X5-B
12
Red
Black
Vdd
1 kW
LED
Green
ID
ID
ATN
SOUT
SIN
Page 1 of 2
1-7-05
VinSw
Circuitry Powered by External Source