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Zenith

Zenith is a small single board computer made with the RK3328 which comes with 512 MegaBytes of DDR3 RAM. Zenith is built to run on battery backups along with USB Type-C power inputs. Features of zenith are:

  • Quad core ARM Cortex-A53 CPU
  • 512 MB DDR3 RAM
  • SD support
  • 100M ethernet
  • HDMI out
  • 24 bit audio
  • 1x USB 3.0 2x USB 2.0

I made this SBC because i wanted to locally host some slack bots. There is literally no other reason. I have not compiled buildroot because i'll be using a prebuilt version from ROCK64. A small reason for this is because my laptop probably cannot handle compiling linux.

Check out this project on KiCanvas!
To check schematics, please go to the above link, imaging every page and putting it here would clutter the README..

zine kicad-render kicad-render-back kicad

Assembly guide:

  1. clone the repo and head to production:
git clone https://Github.com/Keyaan-07/Zenith

cd Zenith/hardware/production
  1. go to your preferred PCB manufacturer and upload the gerber files there.
  2. get the PCBA option for both(or one) sides.
  3. Build the firmware from the buildroot repo.
  4. flash it to the SD card using rufus.ie
  5. plug the SD card in and start the board.

BOM

Designator Function Value Quantity Price Amount Link
PCB PCB 85x55mm 5 9.6 48 https://jlcpcb.com/
PCBA Standard PCBA 2 42.75 85.5 https://jlcpcb.com/
BT1, BT2 Battery Connectors Battery_Cell 4 0
C0, C1, C10, C11, C12, C13, C14, C15, C16, C17, C18, C19, C2, C21, C22, C23, C24, C25, C26, C27, C28, C29, C3, C30, C31, C32, C33, C35, C37, C4, C40, C42, C47, C48, C5, C51, C52, C53, C54, C55, C58, C6, C62, C64, C67, C7, C70, C71, C74, C75, C8, C9 Capacitor 100n 104 0.001 0.104 https://www.lcsc.com/product-detail/C49062.html
C20, C34, C36, C38, C39, C41, C43, C44, C45, C46, C49, C50, C56, C57, C59, C63, C66 Capacitor 10u 34 0.03 1.02 https://www.lcsc.com/product-detail/C96446.html
C60, C61 Capacitor 15p 4 0.0013 0.0052 https://www.lcsc.com/product-detail/C277480.html
C65, C68 Capacitor 1u 4 0.009 0.036 https://www.lcsc.com/product-detail/C307385.html
C72, C73 Capacitor 47n 4 0.0044 0.0176 https://www.lcsc.com/product-detail/C2930549.html
D1 LED LED 2 0.009 0.018 https://www.lcsc.com/product-detail/C7496805.html
J1 Ethernet magjack - 2 1.5 3 https://www.lcsc.com/product-detail/C12074.html
J2 HDMI - 2 1.5 3 https://www.lcsc.com/product-detail/C916313.html
J3 Micro SD Connector - 2 0.68 1.36 https://www.lcsc.com/product-detail/C585350.html
J4 UART header - 2 DNP DNP DNP
J5 Audiojack - 2 0.05 0.1 https://www.lcsc.com/product-detail/C431535.html
J6, J7, J8, J9 USB-C - 8 0.5 4 https://www.lcsc.com/product-detail/C5156605.html
L1, L2, L3, L4, L5, L6 Inductors 2.2u 12 0.03 0.36 https://www.lcsc.com/product-detail/C45385204.html
Q1 MOSFET 2N7002 2 0.05 0.1 https://www.lcsc.com/product-detail/C81445.html
Q2 MOSFET AON7262e 2 0.58 1.16 https://www.lcsc.com/product-detail/C176755.html
R1 Resistor 240 2 0.0009 0.0018 https://www.lcsc.com/product-detail/C270354.html
R11, R17, R2, R26, R27, R3, R30, R31, R32, R33, R35, R38, R40, R5, R6, R8, R9 Resistor 10k 34 0.0007 0.0238 https://www.lcsc.com/product-detail/C7467266.html
R12, R41 Resistor 35k 4 0.0015 0.006 https://www.lcsc.com/product-detail/C180320.html
R13, R14, R15, R18, R19, R20 Resistor R 12 - 0 -
R16 Resistor 56k 2 0.0008 0.0016 https://www.lcsc.com/product-detail/C18164325.html
R21 Resistor 10m 2 0.14 0.28 https://www.lcsc.com/product-detail/C6250315.html
R22, R23, R24, R25, R34 Resistor 100 10 0.0009 0.009 https://www.lcsc.com/product-detail/C270366.html
R28, R29 Resistor 0R 4 0.0009 0.0036 https://www.lcsc.com/product-detail/C106228.html
R36, R37, R39 Resistor 5.1k 6 0.0007 0.0042 https://www.lcsc.com/product-detail/C7467269.html
R4 Resistor 6.6k 2 0.0008 0.0016 https://www.lcsc.com/product-detail/C423452.html
U1 RAM NT5CB256M16ER-FL 2 13.15 26.3 https://www.lcsc.com/product-detail/C2841154.html
U10 SoC BQ29209DRBR 2 0.76 1.52 https://www.lcsc.com/product-detail/C139352.html
U2 main IC RK3328 2 8.65 17.3 https://www.lcsc.com/product-detail/C2932939.html
U3 ESD IC for HDMI TPD12S016PWR 2 0.8382 1.6764 https://www.lcsc.com/product-detail/C201665.html
U4 Buck TPS565201 2 0.64 1.28 https://www.lcsc.com/product-detail/C327676.html
U5 Battery charger BQ25690RBAR 2 6.3 12.6 https://www.lcsc.com/product-detail/C53283868.html
U6, U7, U8, U9 Buck TPS563252DRLR 8 1.05 8.4 https://www.lcsc.com/product-detail/C19188399.html
Y1 Crystal 24MHz 2 0.58 1.16 https://www.lcsc.com/product-detail/C41383245.html
134.8488

Onshape link

here is the onshape link for the project

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A battery powered single board computer capable of running linux

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