HardLabs

MEP MAXI 85V-1 REV 2 Interface Board

JGilcreast·MetalHead·hardware/interface-board/MEP-MAXI-85V-1-REV-2-Interface-Board.kicad_pcb

MEP MAXI 85V-1 REV 2 Interface Board layout, top view — open source AVR/Arduino board by JGilcreast

About the MEP MAXI 85V-1 REV 2 Interface Board

MEP MAXI 85V-1 REV 2 Interface Board is an open source AVR/Arduino PCB design by JGilcreast, published on GitHub. It is a 4-layer board measuring 221.5 × 130.8 mm, with 323 components from 72 distinct parts.

Its main chip is the Arduino_Due_Shield, from the AVR/Arduino family. Other key parts include the INA226, LM1084-ADJ, LM74700QDDFRQ1, TVS2701DRBR and AT24C256C-MAHL-E. By type, the board carries 136 resistors, 61 capacitors, 45 diodes, 33 transistors, 29 ICs and 11 connectors.

From the project

An opensource firmware and software drop-in replacement for the 85V Automatic Stirrup Bender by CRS Specialties Inc. ...short story behind the name...

An opensource firmware and software drop-in replacement for the 85V Automatic Stirrup Bender by CRS Specialties Inc. ...short story behind the name...

To build a pristine copy of the firmware binary:.gitignore

cd MetalHead\firmware\interface-board-zephyr rmdir /q /s application\build Go back to CLion and reload West Build, flash, etc

This is a simple unpolished version of the HMI app that will eventually run on the orange pi. This version is mostly for implementation and testing purposes. ### HMI The polished version of the HMI app. This app version be able to accomplish the following…

MEP MAXI 85V-1 REV 2 Interface Board, from the project README
From the project README

Main components on the MEP MAXI 85V-1 REV 2 Interface Board

INA226LM1084-ADJLM74700QDDFRQ1TVS2701DRBRAT24C256C-MAHL-EPUSB3BB4ZAPX811-31UG-7RASPBERRY_PI_ZERO_2_WUSBLC6-2SC6LTV-846SSN74HC14PWR74LVC1G14GW-Q100,1W5500Arduino_Due_Shield

MEP MAXI 85V-1 REV 2 Interface Board bill of materials (BOM)

323 components, 72 distinct parts — part numbers from the project's BOM.

QtyPartRefs
4
INA226
U201, U301, U306, U310
3
LM1084-ADJ
U302, U305, U309
5
LM74700QDDFRQ1
U303, U307, U311, U404, U601
2
TVS2701DRBR
U304, U308
1
AT24C256C-MAHL-E
U401
1
PUSB3BB4Z
NC7SZ08M5X
U402
1
APX811-31UG-7
U403
1
RASPBERRY_PI_ZERO_2_W
U602
1
USBLC6-2SC6
U603
5
LTV-846S
U701, U703, U705, U707, U709
3
SN74HC14PWR
U702, U704, U706
1
74LVC1G14GW-Q100,1
U708
1
W5500
U901
1
Arduino_Due_Shield
A401
10
IRFR7540TRPBF
Q201, Q202, Q203, Q204, Q205, Q206, Q207, Q208 +2
2
DMT6007LFG
Q301, Q302
3
SSM6K518NU
Q303, Q401, Q601
18
BSS138 JI
Q602, Q801, Q802, Q803, Q804, Q805, Q806, Q807 +10
1
25MHz
Y901
1
Conn_02x07_Odd_Even
J201
Show 52 more
QtyPartRefs
2
Screw_Terminal_01x02
J202, J302
1
Barrel_Jack_MountingPin
J301
1
Conn_02x10_Odd_Even
J501
1
Conn_01x24_MountingPin
J601
1
Conn_Coaxial
J602
1
Conn_02x05_Odd_Even
J603
1
USB_A
J604
2
RJ45_Hanrun_HR911105A_Horizontal
J605, J901
1
3512P
F201
1
16V/1.1A
F301
1
500mA
F601
1
SW_SPST_Omron_B3FS-100xP
SW601
14
RED
D201, D202, D203, D207, D208, D209, D213, D214 +6
10
SMAJ24A
D204, D205, D206, D210, D211, D212, D215, D216 +2
3
1N4002 M2
D301, D303, D304
18
BLUE
D302, D801, D802, D803, D804, D805, D806, D807 +10
1
330R
FB601
1
120R
FB901
11
0.1uF
C201, C301, C307, C315, C902, C903, C904, C905 +3
6
10uF 50V
C302, C303, C308, C309, C313, C314
4
330uF 25V
C304, C305, C310, C311
5
100nF
C306, C312, C316, C403, C601
21
1uF
C401, C402, C701, C702, C703, C704, C705, C706 +13
4
100nF
C602, C603, C604, C605
2
10uF
C901, C909
2
6.8nF
C910, C911
1
22nF
C912
2
10nF
C913, C916
2
18pF
C914, C915
1
4.7uF
C917
27
200R
R201, R202, R203, R207, R208, R209, R213, R214 +19
29
10K
R204, R205, R206, R210, R211, R212, R215, R216 +21
4
2mR
R220, R303, R308, R314
3
300R
R305, R310, R315
1
2K580
R306
1
2K2
R307
1
900R
R311
1
470R
R316
1
22R
R318
4
4K7
R405, R406, R601, R602
3
510R
R603, R605, R606
17
105R
R701, R702, R703, R708, R709, R712, R713, R714 +9
19
100K
R704, R705, R706, R707, R710, R711, R715, R716 +11
2
1K2
R737, R738
2
49R9
R901, R902
1
10R
R903
8
330R
R904, R905, R909, R910, R911, R915, R916, R917
4
0R
R907, R908, R912, R914
2
82R
R918, R919
1
1M
R920
4
130R
R921, R922, R924, R925
1
12.4K 1%
R923

MEP MAXI 85V-1 REV 2 Interface Board design files

The KiCad project lives in the JGilcreast/MetalHead repository on GitHub; these links point at the commit this page was built from.

MEP MAXI 85V-1 REV 2 Interface Board: common questions

What microcontroller does the MEP MAXI 85V-1 REV 2 Interface Board use?

The MEP MAXI 85V-1 REV 2 Interface Board is built around the Arduino_Due_Shield, from the AVR/Arduino family.

How big is the MEP MAXI 85V-1 REV 2 Interface Board?

The MEP MAXI 85V-1 REV 2 Interface Board measures 221.5 × 130.8 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the MEP MAXI 85V-1 REV 2 Interface Board?

323 components, from 72 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 MEP MAXI 85V-1 REV 2 Interface Board design files?

From the JGilcreast/MetalHead 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 MEP MAXI 85V-1 REV 2 Interface Board design in my own project?

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

Can I test firmware for the MEP MAXI 85V-1 REV 2 Interface Board without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.

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