Helix Main Board
Assembly and Setup Manual
3
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Helix Main Board Bill Of Materials (BOM)
Part
Description
Supplier
Part#
Qty
Notes
AJ1
3.5 mm Vertical Jack
Mouser
161-0352-EX
1 AJ1 Not needed on HNN
B1
Battery Holder
Mouser
614-VBH2032-1
1 B1 is not needed on Helix
Network Node (HNN)
C1, C2, C3, C4, C5,
C6, C7, C8, C9, C10,
C11
0.1 uF Bypass Cap
Mouser
75-1C10Z5U104M050B
11 C1 and C11 are not
needed on a HNN
C12
33pF Timing Cap
Mouser
80-C323C330K2G
1
C13
4700 uF Filter Cap
Mouser
647-UVZ1C472MHD
1
C14, C15
100 uF Filter Cap
Mouser
647-UVR1E101MED1TD
2
D1, D2, D3, D4, D5
1N5817
Mouser
821-1N5817
5 D3, D4 not needed HNN
D6, D8, D10, D13
RED LED
Mouser
859-LTL42EKEKNN
4
D7, D12, D15, D16,
D17, D18, D19
GREEN LED
Mouser
859-LTL-4236N
7
D9, D11, D14
YELLOW LED
Mouser
859-LTL1CHKYKNN
3
F1
FUSE Horizontal
Mouser
534-3517
2
H1, H2, H3, H4, H7,
H8, H9
0.1" Pin Strip Header 40
Pin
Mouser
517-6111TG
1
H5, H6
0.1" Pin Strip Header 5
Pin
Mouser
517-929834-01-05-RK
1 H5, H6 not needed on
HNN
IC1
DS1337
Mouser
700-DS1337
1 IC1 not needed on HNN
IC2
24LC256
Provided with the PCB
IC3
H11AA1-M
Mouser
512-H11AA1M
1
IC4, IC5, IC6, IC7
SN75174NE4
Mouser
595-SN75174NE4
4
IC8
Propeller
Mouser
619-P8X32A-D40
1
IC9
MCP23016
Mouser
579-MCP23016-I/SP
1
IC10
ST485
Provided with the PCB
J1, J2, J3, J4, J5, J6
RJ45
Mouser
571-5556416-1
6
MP3
MP3 Breakout Board
SparkFun
BOB-09943
1 MP3 not needed on HNN
NE1
NE-2 Neon Lamp
Mouser
606-A9A
1
Q1
TN0702N3-G
Mouser
689-TN0702N3-G
1 Q1 not needed on HNN
R1, R2, R3, R4, R5,
R6, R7
220 ohm Resistor
Mouser
291-220-RC
7
R8
100 ohm Resistor
Mouser
291-100-RC
1
R9, R10
510 ohm Resistor
Mouser
291-510-RC
2
R11, R12
1K ohm Resistor
Mouser
291-1K-RC
2
R13
3.9K ohm Resistor
Mouser
291-3.9K-RC
1
R14, R15, R16, R17,
R18, R19, R20
10K ohm Resistor
Mouser
291-10K-RC
7 R19 not needed on HNN
R21
100K ohm Resistor
Mouser
291-100K-RC
1 330K ohm for 220VAC
RA1
10K ohm SIP Resistor (8)
Mouser
858-L091S103LF
1 RA1 not needed on HNN
RA2
1K ohm SIP Resistor (8)
Mouser
858-L091S102LF
1 RA2 not needed on HNN
RA3
220 ohm SIP Resistor (7)
Mouser
858-L081S221LF
1
RA4
47K ohm SIP Resistor (5)
Mouser
858-L061S473LF
1
S1
MicroSD Socket
Provided with the PCB
SW1
Tactile Switch
Mouser
611-PTS645SL702
1
T1
6.3V 1A Transformer
Mouser
838-3FD-412
1
TB1, TB2, TB3, TB4,
TB5, TB6, TB7, TB8,
TB9
2 POS 5mm Terminal
Block
Mouser
651-1935161 or 571-
2828372
9 TB2, TB3, TB4, TB5, TB6,
TB7, TB8 and TB9 not
needed on HNN
U1
5V Regulator
Mouser
511-LD1085V50
1
U2
3.3V Regulator
Mouser
926-LMS1585ACT33NOPB
1
U3
DB101
Mouser
583-DB101
1
XTAL1
32.768KHz Crystal
Mouser
695-CFS206-327KB-U
1 XTAL1 not needed HNN
XTAL2
5MHz Crystal
Mouser
520-HCU500-20X
1