HardLabs

Hellen1-72

rusefi·hellen-miata-NB2·kicad6_old/hellen1-72.kicad_pcb

Hellen1-72 PCB layout, top view — open source board by rusefi

About the Hellen1-72 PCB

Hellen1-72 is an open source PCB design by rusefi, published on GitHub. It is a 2-layer board measuring 154 × 159 mm, with 126 components from 54 distinct parts.

Other key parts include the LIS2DW12TR and LIS2DH12TR. By type, the board carries 69 diodes, 26 resistors, 11 modules, 10 connectors, 5 capacitors and 2 ICs.

From the project

a rusEFI board with a 72 pin connector. Works for a Mazda Miata NB2 or any generic 8 cylinder vehicle :)

a rusEFI board with a 72 pin connector. Works for a Mazda Miata NB2 or any generic 8 cylinder vehicle :)

We love https://github.com/thesourcerer8/altium2kicad

https://github.com/rusefi/rusefi/wiki/Mazda-Miata-2001

https://github.com/rusefi/rusefi/wiki/Mazda-Miata-2003

For photos see https://github.com/rusefi/rusefi/wiki/Hellen-NB2

M4 x 10mm will be good for NB external case and internal board to case for both NA and NB.

Main components on the Hellen1-72

LIS2DW12TRLIS2DH12TR

Hellen1-72 bill of materials (BOM)

126 components, 54 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
LIS2DW12TR
Abs. Pressure Sensor
U1
1
LIS2DH12TR
QMA7981
U2
1
Module:input/0.1
M1
1
Module:mcu/0.1
M2
1
Module:power5/0.1
M3
1
Module:sd/0.1
M4
1
Module:power12/0.1
M5
1
Module:knock/0.1
M6
1
Module:output/0.1
M7
1
Module:ign8/0.1
M8
1
Module:lin/0.1
M9
1
Module:can/0.1
M10
1
Module:stlink/0.1
M11
1
C13453
Net Tie
J1
1
CONN_01X05_MALE
USB-B
J2
1
C240832
USB-Adapter
J3
1
TE-1123038-2
P1
1
8-5353015-1
External SD-Card Board
P2
1
Ext.Port
P3
1
+12
P4
Show 34 more
QtyPartRefs
1
+5
P5
1
+3.3
P6
1
GND
P7
2
C115357
Switch SPST
S1, S2
17
1N4148WS
D1, D2, D40, D41, D42, D43, D44, D45 +9
3
LED-BLUE-0603
1N4148WS
D3, D25, D28
1
LED-BLUE-0603
0805-Green
D4
1
1N4148WS
0805-Green
D5
2
LED-RED-0603
0805-Green
D6, D9
2
LED-RED-0603
0603-White
D7, D8
21
0603-White
D10, D11, D32, D37, D38, D39, D51, D52 +13
8
1N4148WS
0603-White
D12, D13, D14, D15, D29, D30, D33, D34
2
LED-WHITE-0603
0603-White
D16, D17
4
LED-WHITE-0603
1N4148WS
D18, D19, D26, D27
5
1N4148WS
D20, D21, D22, D23, D24
3
B5819W
0603-White
D31, D35, D36
1
GZ2012D101TF
L1
4
100N
100n
C1, C2, C3, C5
1
10U
100n
C4
6
0
R1, R4, R5, R7, R10, R11
1
5.1K
0
R2
2
4.7K
0
R3, R6
4
C17477
0
R8, R9, R25, R26
1
*
1k
R12
1
1.6K
4k7
R13
2
470
R14, R15
1
4.7K
470
R16
2
C17477
4k7
R17, R18
1
10K
470
R19
1
20K
4k7
R20
1
100
4k7
R21
1
680K
4k7
R22
1
4k7
R23
1
C17477
2.2k
R24

Hellen1-72 design files

The KiCad project lives in the rusefi/hellen-miata-NB2 repository on GitHub; these links point at the commit this page was built from.

Hellen1-72: common questions

How big is the Hellen1-72 PCB?

The Hellen1-72 measures 154 × 159 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Hellen1-72?

126 components, from 54 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Hellen1-72 design files?

From the rusefi/hellen-miata-NB2 repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the Hellen1-72 design in my own project?

The repository has no license, so all rights stay with rusefi. Use it as a reference, and ask the author before reusing the design.

More boards in hellen-miata-NB2