HardLabs

MDE22

ZeniteSolar·MDE22·hardware/steeringmodule.kicad_pcb

MDE22 PCB layout, top view — open source AVR/Arduino board by ZeniteSolar

About the MDE22 PCB

MDE22 is an open source AVR/Arduino PCB design by ZeniteSolar, published on GitHub. It is a 2-layer board measuring 144 × 59.5 mm, with 69 components from 33 distinct parts.

Its main chip is the ATMEGA328P-PU, from the AVR/Arduino family. Other key parts include the MCP2561-E/SN, MCP2515-I/SO, LM7805_TO220, BTS7960B and INA826_D_8. By type, the board carries 23 capacitors, 15 resistors, 7 ICs, 6 connectors, 6 diodes and 2 crystals.

It belongs with the power & battery and sensors designs in this gallery.

From the project

Esse módulo tem como objetivo controlar a direção da rabeta da embarcação Guarapuvu II, da equipe Zênite Solar do IFSC.

Instituto Federal de Educação, Ciência e Tecnologia de Santa Catarina - Campus Florianópolis

1. Introduction 2. Conception 3. Design 4. Implementation 5. Operation 6. Considerations 7. References

This module aims to control the direction of the tail of the Guarapuvu II vessel, belonging to the IFSC Zênite Solar team.

It is inspired by the previously implemented system, developed by Cesar Dias Parente. The project files can be found here.

MDE22, from the project README
From the project README

Main components on the MDE22

MCP2561-E/SNMCP2515-I/SOLM7805_TO220ATMEGA328P-PUBTS7960BINA826_D_8

MDE22 bill of materials (BOM)

69 components, 33 distinct parts.

QtyPartRefs
1
MCP2561-E/SN
U201
1
MCP2515-I/SO
U202
1
LM7805_TO220
U301
1
ATMEGA328P-PU
U401
2
BTS7960B
U601, U602
1
INA826_D_8
U701
2
16MHz
Y401, Y402
2
Conn_01x02
J101, J103
1
PotConnector
J102
2
~
J201, J202
1
~
J401
2
470nF
CBTS1, CBTS2
1
Fuse
F301
4
10k
RINH1, RINH2, RSR601, RSR603
1
1k
RIS1
2
5k1
RSR1, RSR2
2
LL4148
D301, D401
1
LED_RED
D402
1
LED_GRN
D403
1
D_TVS_Dual_AAC
D404
Show 13 more
QtyPartRefs
1
4V7
D701
10
100nF
C102, C201, C202, C205, C302, C303, C401, C402 +2
6
1uF
C301, C304, C601, C602, C603, C703
4
22pF
C403, C404, C407, C408
2
1n
C701, C702
1
100n
C704
2
100
R101, R705
3
10k
R102, R203, R401
1
120
R201
1
4k7
R202
4
1k
R402, R403, R404, R405
2
22k
R701, R702
2
8k2
R703, R704

MDE22 design files

The KiCad project lives in the ZeniteSolar/MDE22 repository on GitHub; these links point at the commit this page was built from.

MDE22: common questions

What microcontroller does the MDE22 use?

The MDE22 is built around the ATMEGA328P-PU, from the AVR/Arduino family.

How big is the MDE22 PCB?

The MDE22 measures 144 × 59.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the MDE22?

69 components, from 33 distinct parts. The full bill of materials is listed on this page.

Where can I download the MDE22 design files?

From the ZeniteSolar/MDE22 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the MDE22 design in my own project?

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

Can I test firmware for the MDE22 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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