HardLabs

NekoInk

zephray·NekoInk·pcb/mainboard_gen1/pcb.kicad_pcb

NekoInk PCB layout, top view — open source board by zephray

About the NekoInk PCB

NekoInk is an open source PCB design by zephray, published on GitHub under the CERN-OHL-P-2.0 license. It is a 4-layer board measuring 60 × 60 mm, with 231 components from 73 distinct parts.

Other key parts include the AXP209, SY7208, SY8089, MCIMX6Y7DVM09AB and MT41K256M16HA. By type, the board carries 136 capacitors, 47 resistors, 12 ICs, 11 inductors, 8 connectors and 8 diodes.

It belongs with the displays & leds, iot & wireless and power & battery designs in this gallery.

From the project

Next gen. of NekoCal: An open-source hackable and programmable e-paper display

This project has been superseded by Glider and will not be updated further.

NekoInk is an open-source, programmable, and versatile E-paper display platform. It offers connectivity options to various type of E-paper screens, and flexible programming environment choices.

The 1st generation of NekoInk has the following specs:

Processing - NXP i.MX6ULL, 900 MHz Cortex-A7 processor - 512 MB DDR3L-1066 memory Display - Support for EPD screens from 6" to 13.3" - Up to 32 greyscale levels / 32768 colors (depends on screen) - 40 pin connector for ED103TC1/ES103TC2/GDEW101C01 - 6 and 12 pin…

Main components on the NekoInk

AXP209SY7208SY8089MCIMX6Y7DVM09ABMT41K256M16HAW25Q128JVPMAX17135USBLC6-2P6AP2151CH340NAP6330(BCM4330)

NekoInk bill of materials (BOM)

231 components, 73 distinct parts.

QtyPartRefs
1
AXP209
U1
1
SY7208
U2
1
SY8089
U3
1
MCIMX6Y7DVM09AB
U100
1
MT41K256M16HA
U202
1
W25Q128JVP
U401
1
MAX17135
U501
2
USBLC6-2P6
U601, U605
1
AP2151
U602
1
CH340N
U604
1
AP6330(BCM4330)
U901
1
24MHz
Y101
1
32.768kHz
Y102
1
26MHz
Y901
1
32.768K
Y902
1
Conn_02x09_Odd_Even
J300
1
MICRO_SD(TFC-WPAPR-08)
J401
1
0.5mm
J501
1
0.5mm
J503
1
USB_AB_Micro
J601
Show 53 more
QtyPartRefs
2
USB_B_Micro
J602, J604
1
U.FL Connector
J901
1
Conn_01x02
BT1
2
EVQPUJ02K
SW1, SW101
1
DNP
SW102
1
10K
TH1
1
LED
D1
7
B0530WS
D2, D501, D502, D503, D504, D505, D506
8
4.7uH
L1, L2, L3, L4, L5, L501, L502, L901
2
EXC14CE900U
L601, L602
1
120R
L604
24
10uF
C1, C2, C3, C14, C15, C18, C19, C20 +16
3
2.2uF
C4, C6, C607
50
220nF
C5, C34, C35, C36, C37, C45, C46, C48 +42
7
4.7uF
C7, C28, C30, C31, C33, C58, C220
15
100nF
C8, C11, C12, C29, C206, C233, C234, C403 +7
2
10uF
C9, C10
3
470nF
C13, C404, C910
2
1nF
C22, C25
7
22uF
C54, C60, C61, C205, C239, C240, C402
5
18pF
C112, C113, C401, C903, C908
2
DNP/18pF
C116, C121
4
1uF/25V
C501, C503, C505, C506
1
1uF
C516
8
4.7uF/25V
C517, C518, C521, C522, C523, C524, C526, C527
1
2.2nF
C520
2
DNP
C901, C902
10
10K
R1, R102, R104, R105, R107, R108, R110, R202 +2
2
1K
R2, R4
1
200K
R3
1
200K/1%
R5
3
27K/1%
R6, R8, R504
1
121K/1%
R7
1
0.03R
R9
1
1R
R10
2
DNP
R101, R103
1
2.2M
R109
2
240R 1%
R201, R204
1
470
R205
2
1.5K/0.5%
R206, R207
1
33
R401
1
100K
R402
1
562K/1%
R501
1
806K/1%
R503
1
49.9K/1%
R505
1
10R
R506
1
0.5R
R507
2
22R
R606, R607
1
0R
R901
1
22
R902
1
10K
R903
1
22
R904
6
33
RN501, RN502, RN503, RN504, RN505, RN506

NekoInk design files

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

NekoInk: common questions

How big is the NekoInk PCB?

The NekoInk measures 60 × 60 mm, has 4 copper layers and is 1.14 mm thick.

How many components are on the NekoInk?

231 components, from 73 distinct parts. The full bill of materials is listed on this page.

Where can I download the NekoInk design files?

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

Can I use the NekoInk design in my own project?

Yes, under the terms of its CERN-OHL-P-2.0 license, which zephray chose for the repository.

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