10

Appendix B: Bill of Materials for Components Shown on schematic (Main Board and RF Board)

Part Type

Qty

Value

Designators

Optical Sensor Device

1

U101

Optical Sensor LED

1

D102

Optical Sensor Lens

1

Not shown on schematic

Optical Sensor Clip

1

Not shown on schematic

Microcontroller

1

U102

DC/DC Converter

1

U103

Z LED

1

D103

Z Encoder

1

3 PIN

U104

Resistor (0805)

5

100 k

R101, R102, R103, R104, R105

Resistor (0805)

1

3.3M

R124

Resistor (0805)

1

240

R125

Resistor (0805)

2

27K

R107, R108

Resistor (0805)

1

1.1 M

R109

Resistor (0805)

1

1.0 M

R110

Resistor (0805)

1

10

R111

Resistor (0805)

1

0

R106

Resistor (0805)

1

No Load

R122

Ceremic capacitor (0603)

4

.01UF 50V

C101, C106, C108, C110

Ceremic capacitor (0603)

2

.1UF 25V

C102, C112

Tantalum capacitor

3

1 uF 50V

C105, C107, C109

Tantalum capacitor

2

10uF 25V

C103, C104

NPN T RANSISTOR

1

MMBT3906LT1

Q101

Switch

3

SPDT

SW101, SW102, SW103

Switch, light touch

1

6mmx6mmx4.3mm

SW104

Inductor

1

10 uH

L101

Crystal

1

32.768 kHz

XTAL101

Header, pins 2mm

2

2x5

J101

Header, socket, 2mm

2

2 x 7

J105

Battery Spring, common

1

2X7

T101

Battery spring +

1

T102

Battery spring -

1

T103