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COMET: Compact Onboard Management for Ejectio Timing

K-Eckert15·ARES·PHOBOS/COMET/COMET.kicad_pcb

COMET: Compact Onboard Management for Ejectio Timing PCB layout, top view — open source RP2040/RP2350 board by K-Eckert15

About the COMET: Compact Onboard Management for Ejectio Timing PCB

COMET: Compact Onboard Management for Ejectio Timing is an open source RP2040/RP2350 PCB design by K-Eckert15, published on GitHub. It is a 4-layer board measuring 63.5 × 25.4 mm, with 68 components from 30 distinct parts.

Its main chip is the RP2040, from the RP2040/RP2350 family. Other key parts include the MPL3115A2, LSM6DS3, W25Q128JVSIQ and NCP1117-3.3_SOT223. By type, the board carries 25 resistors, 20 capacitors, 8 diodes, 5 ICs, 3 transistors and 3 connectors.

From the project

ARES capstone with PHOBOS and DEIMOS subsystems

Main components on the COMET: Compact Onboard Management for Ejectio Timing

MPL3115A2LSM6DS3W25Q128JVSIQNCP1117-3.3_SOT223RP2040

COMET: Compact Onboard Management for Ejectio Timing bill of materials (BOM)

68 components, 30 distinct parts.

QtyPartRefs
1
MPL3115A2
U1
1
LSM6DS3
U2
1
W25Q128JVSIQ
U3
1
NCP1117-3.3_SOT223
U4
1
RP2040
U5
2
SiSS63DN
Q1, Q3
1
PMGD175XNEX
Q2
1
ABM8-272-T3
Y1
1
USB4056-03-A_REVA2
J1
1
M/D
J2
1
Power/Arm
J5
1
Speaker
LS1
1
SW_SPDT
SW1
1
KMR211GLFS
SW3
2
D
D1, D4
5
LED
D5, D9, D10, D13, D14
1
LED_BGAR
D15
12
100n
C1, C2, C9, C15, C16, C17, C18, C19 +4
4
10u
C4, C12, C13, C14
2
15p
C10, C11
Show 10 more
QtyPartRefs
2
1u
C24, C25
6
1k
R7, R17, R29, R33, R34, R35
3
470
R9, R14, R22
4
10k
R12, R23, R24, R31
2
5.1k
R13, R15
2
220
R16, R28
4
4.7k
R18, R25, R26, R30
2
27
R19, R21
1
330k
R36
1
100k
R37

COMET: Compact Onboard Management for Ejectio Timing design files

The KiCad project lives in the K-Eckert15/ARES repository on GitHub; these links point at the commit this page was built from.

COMET: Compact Onboard Management for Ejectio Timing: common questions

What microcontroller does the COMET: Compact Onboard Management for Ejectio Timing use?

The COMET: Compact Onboard Management for Ejectio Timing is built around the RP2040, from the RP2040/RP2350 family.

How big is the COMET: Compact Onboard Management for Ejectio Timing PCB?

The COMET: Compact Onboard Management for Ejectio Timing measures 63.5 × 25.4 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the COMET: Compact Onboard Management for Ejectio Timing?

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

Where can I download the COMET: Compact Onboard Management for Ejectio Timing design files?

From the K-Eckert15/ARES repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the COMET: Compact Onboard Management for Ejectio Timing design in my own project?

The repository has no license, so all rights stay with K-Eckert15. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the COMET: Compact Onboard Management for Ejectio Timing without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug RP2040/RP2350 firmware against it before you order a PCB.

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