HardLabs

ChainlinkBase

nintando64·nintando-splitflap·electronics/chainlinkBase/chainlinkBase.kicad_pcb

ChainlinkBase PCB layout, top view — open source board by nintando64

About the ChainlinkBase PCB

ChainlinkBase is an open source PCB design by nintando64, published on GitHub under the Apache-2.0 license. It is a 2-layer board measuring 98.4 × 190.5 mm, with 119 components from 30 distinct parts.

Other key parts include the AP7361C-33E, TPL7407L, Buck, TTGO_TDisplay and MCP23017_SS. By type, the board carries 38 resistors, 24 capacitors, 18 ICs, 17 diodes, 15 connectors and 5 fuses.

It belongs with the wearables and displays & leds designs in this gallery.

From the project

This is a DIY split-flap display. Prototype four-character display: video.

This is a DIY split-flap display. Prototype four-character display: video.

The goal is to make a low-cost display that's easy to fabricate at home in small/single quantities (e.g. custom materials can be ordered from Ponoko or similar, and other hardware is generally available).

You can view an interactive 3d model of the design on the project website.

The splitflap community Slack group is the best place to keep up with the latest changes or ask questions about the project!

ChainlinkBase, from the project README
From the project README

Main components on the ChainlinkBase

AP7361C-33ETPL7407LBuckTTGO_TDisplayMCP23017_SSSN74LV1T34DBVSP485INA219BxDVN7007ALH

ChainlinkBase bill of materials (BOM)

119 components, 30 distinct parts.

QtyPartRefs
1
AP7361C-33E
U101
1
TPL7407L
U102
1
Buck
U103
1
TTGO_TDisplay
U104
1
MCP23017_SS
U105
2
SN74LV1T34DBV
U106, U108
1
SP485
U107
5
INA219BxD
U201, U301, U401, U501, U601
5
VN7007ALH
U202, U302, U402, U502, U602
2
Power In
J101, J103
1
RELAY
J102
2
RS485
J104, J105
1
Logic Power Out
J106
1
UART
J107
1
Conn_02x04_Odd_Even
J108
2
Conn_01x06_Male
J111, J112
5
CHANNEL
J201, J301, J401, J501, J601
5
Fuse Holder BK-6013
F201, F301, F401, F501, F601
1
LEDs
JP101
1
SW_DIP_x04
SW101
Show 10 more
QtyPartRefs
6
WS2812B
D101, D102, D103, D104, D105, D106
1
2A 500mV
D107
10
Red
D201, D202, D301, D302, D401, D402, D501, D502 +2
2
47uF
C101, C104
2
4.7uF
C102, C103
20
0.1uF
C105, C106, C107, C108, C109, C110, C111, C112 +12
7
1k
R101, R102, R206, R306, R406, R506, R606
16
15k
R103, R203, R204, R207, R303, R304, R307, R403 +8
5
0.01R 1% 1W
R201, R301, R401, R501, R601
10
2k
R202, R205, R302, R305, R402, R405, R502, R505 +2

ChainlinkBase design files

The KiCad project lives in the nintando64/nintando-splitflap repository on GitHub; these links point at the commit this page was built from.

ChainlinkBase: common questions

How big is the ChainlinkBase PCB?

The ChainlinkBase measures 98.4 × 190.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the ChainlinkBase?

119 components, from 30 distinct parts. The full bill of materials is listed on this page.

Where can I download the ChainlinkBase design files?

From the nintando64/nintando-splitflap repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the ChainlinkBase design in my own project?

Yes, under the terms of its Apache-2.0 license, which nintando64 chose for the repository.

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