HardLabs

88RPI

ccadic·BlakRPI-Clive

88RPI PCB layout, top view — open source AVR/Arduino board by ccadic
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About the 88RPI PCB

88RPI is an open source AVR/Arduino PCB design by ccadic, published on GitHub. It is a 2-layer board measuring 231.3 × 162 mm, with 160 components from 31 distinct parts.

Its main chip is the ATmega32U4-MU, from the AVR/Arduino family. Other key parts include the 88Display, MIPIBOARD, Charger2A and 12000Lipo. By type, the board carries 62 switches, 60 diodes, 14 connectors, 11 resistors, 7 capacitors and 5 ICs.

From the project

BlakRPI Clive cyberdeck

Please note this project is reserved to people with a minimum of electronic skills. You need to know how to solder. You need to be able to make basic searches to find components by yourself This is not an out of the box working pc

88RPI, from the project README
From the project README

Main components on the 88RPI

ATmega32U4-MU88DisplayMIPIBOARDCharger2A12000Lipo

88RPI bill of materials (BOM)

160 components, 31 distinct parts.

QtyPartRefs
1
ATmega32U4-MU
U1
1
88Display
U2
1
MIPIBOARD
U3
1
Charger2A
U4
1
12000Lipo
U5
1
Crystal_Small
Y1
1
USBplg32u4
J1
1
Conn_01x06_Male
J2
1
ISP-Prog
J3
1
USBPOWER
J4
1
KBLEDSupply
J5
1
BatCnctr
J7
1
Conn_01x04_Male
J8
1
RPI_Connector-ML_RPi_GPIO
J9
1
ON-OFFSW
J10
1
USB_A
J11
2
PWrSrc
J12, J15
1
internalgpio
J13
1
USBplgRPI
J18
60
KailhChocLP-kailhchoclp
SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8 +52
Show 11 more
QtyPartRefs
1
reset_32u4
SW61
1
InterKB
SW62
60
1N4148
D1, D2, D3, D4, D5, D6, D7, D8 +52
2
22pF
C1, C2
1
10uF
C3
3
0.1uF
C4, C6, C7
1
1uF
C5
2
10k
R1, R2
2
22r
R3, R4
5
2K
R5, R6, R7, R8, R9
2
5.1k
R65, R66

88RPI design files

The KiCad project lives in the ccadic/BlakRPI-Clive repository on GitHub; these links point at the commit this page was built from.

88RPI: common questions

What microcontroller does the 88RPI use?

The 88RPI is built around the ATmega32U4-MU, from the AVR/Arduino family.

How big is the 88RPI PCB?

The 88RPI measures 231.3 × 162 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the 88RPI?

160 components, from 31 distinct parts. The full bill of materials is listed on this page.

Where can I download the 88RPI design files?

From the ccadic/BlakRPI-Clive repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the 88RPI design in my own project?

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

Can I test firmware for the 88RPI 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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