Megasquirt-MS3-Bootloader

pggood·Megasquirt-MS3-Bootloader·circuit/ms3.kicad_pcb

Megasquirt-MS3-Bootloader PCB layout, top view — open source board by pggood

About the Megasquirt-MS3-Bootloader PCB

Megasquirt-MS3-Bootloader is an open source PCB design by pggood, published on GitHub. It is a 4-layer board measuring 83.4 × 68.5 mm, with 79 components from 40 distinct parts.

Other key parts include the MC9S12XDP512, 74HC00, MCP2551-I/SN, A4970 and LD1117LD33C. By type, the board carries 30 resistors, 29 capacitors, 6 ICs, 5 diodes, 3 connectors and 3 jumpers.

From the project

Bootloader to initialise MS3 if you need to replace the HCS12

Main components on the Megasquirt-MS3-Bootloader

Megasquirt-MS3-Bootloader bill of materials (BOM)

79 components, 40 distinct parts.

QtyPartRefs
1
MC9S12XDP512
U1
1
74HC00
U2
1
MCP2551-I/SN
U3
1
A4970
U4
1
LD1117LD33C
U5
1
FT232RL
U6
2
2N7002
Q1, Q2
1
8mHz
X1
1
SD
J1
1
USB_B
J2
1
CONN_5X2
P1
1
CONN_3X2
JP1
1
Expansion connector
JP2
1
SUPP40
JP5
3
DIODE
D1, D2, D4
2
DIODE
D3, D5
1
4.5uF
C1
2
90nF
C2, C21
4
.1
C3, C4, C6, C20
2
1nF
C5, C11
Show 20 more
QtyPartRefs
2
55nF
C7, C9
2
1.5uF
C8, C10
4
.1uF
C12, C13, C14, C100
1
10nF
C15
2
50pF
C16, C18
2
.2uF
C17, C19
1
185nF
C22
3
1uF
C23, C26, C27
1
186nF
C24
1
100N
C25
1
4.7uF
C28
3
4K7
R1, R2, R21
8
10K
R3, R14, R15, R16, R18, R20, R27, R30
1
1 OHM
R4
10
1K
R5, R6, R7, R9, R10, R22, R23, R24 +2
1
120
R8
1
1OHM
R11
1
10M
R12
1
330
R13
4
470
R17, R19, R25, R29

Megasquirt-MS3-Bootloader design files

The KiCad project lives in the pggood/Megasquirt-MS3-Bootloader repository on GitHub; these links point at the commit this page was built from.

Megasquirt-MS3-Bootloader: common questions

How big is the Megasquirt-MS3-Bootloader PCB?

The Megasquirt-MS3-Bootloader measures 83.4 × 68.5 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Megasquirt-MS3-Bootloader?

79 components, from 40 distinct parts. The full bill of materials is listed on this page.

Where can I download the Megasquirt-MS3-Bootloader design files?

From the pggood/Megasquirt-MS3-Bootloader repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Megasquirt-MS3-Bootloader design in my own project?

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