HardLabs

PayloadPrototypeBoard2021

Case-Rocket-Team·PayloadPrototypeBoard2021

PayloadPrototypeBoard2021 PCB layout, top view — open source STM32 board by Case-Rocket-Team
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About the PayloadPrototypeBoard2021 PCB

PayloadPrototypeBoard2021 is an open source STM32 PCB design by Case-Rocket-Team, published on GitHub. It is a 2-layer board measuring 51.8 × 41.7 mm, with 71 components from 36 distinct parts.

Its main chip is the STM32F072C8Ux, from the STM32 family. Other key parts include the L78L05_SO8, MIC5504-3.3YM5, MIC5504-1.8YM5, TXS0104EPWR and SSM3J15FV. By type, the board carries 30 capacitors, 17 resistors, 13 ICs, 2 crystals and 2 connectors.

It belongs with the rf & radio and sensors designs in this gallery.

From the project

Prototype Payload Board for the 2021 ESRA Payload using Parafoil Guidance. KiCad Project

This is a prototype board for the 2021 ESRA Payload. We are planning on developing a parafoil guided payload that will be ejected from the rocket at apogee, and guide itself to landing.

Capabilities of this board include: 6 Servo Outputs 4 External IO High Acceleration Accelerometer (H3LIS331DLTR) 9 Axis IMU (ICM-20948) LORA Radio (RFM98) Barometer (BMP388) 18V Max Input Battery Voltage Reader Various LEDs for status

Main components on the PayloadPrototypeBoard2021

STM32F072C8UxL78L05_SO8MIC5504-3.3YM5MIC5504-1.8YM5TXS0104EPWRSSM3J15FVRFM96W-433S2ICM-20948H3LIS331DLTRBMP388

PayloadPrototypeBoard2021 bill of materials (BOM)

71 components, 36 distinct parts.

QtyPartRefs
1
STM32F072C8Ux
U1
1
L78L05_SO8
U2
1
MIC5504-3.3YM5
U3
1
MIC5504-1.8YM5
U4
1
TXS0104EPWR
U5
4
SSM3J15FV
U6, U9, U12, U13
1
RFM96W-433S2
U7
1
ICM-20948
U8
1
H3LIS331DLTR
U10
1
BMP388
U11
1
8MHz
Y1
1
32Khz
Y2
1
USB_OTG
J2
1
PWR
J9
1
SERVO 1
1
1
SERVO 2
2
1
SERVO 3
3
1
SERVO 4
4
1
SERVO 5
5
1
SERVO 6
6
Show 16 more
QtyPartRefs
1
LD1085V50
CR1
2
20pF
C1, C4
5
1uF
C2, C16, C19, C20, C21
1
10nF
C3
12
0.1uF
C5, C6, C9, C10, C12, C22, C23, C24 +4
2
4.7uF
C7, C13
2
10pF
C8, C11
1
0.33uF
C14
2
10uF
C15, C18
1
0.1uF
C17
1
10uF
C27
1
.1uF
C28
14
10K
R1, R2, R3, R4, R5, R7, R8, R9 +6
1
1.5K
R6
1
10K
R10
1
2.5k
R11

PayloadPrototypeBoard2021 design files

The KiCad project lives in the Case-Rocket-Team/PayloadPrototypeBoard2021 repository on GitHub; these links point at the commit this page was built from.

PayloadPrototypeBoard2021: common questions

What microcontroller does the PayloadPrototypeBoard2021 use?

The PayloadPrototypeBoard2021 is built around the STM32F072C8Ux, from the STM32 family.

How big is the PayloadPrototypeBoard2021 PCB?

The PayloadPrototypeBoard2021 measures 51.8 × 41.7 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the PayloadPrototypeBoard2021?

71 components, from 36 distinct parts. The full bill of materials is listed on this page.

Where can I download the PayloadPrototypeBoard2021 design files?

From the Case-Rocket-Team/PayloadPrototypeBoard2021 repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the PayloadPrototypeBoard2021 design in my own project?

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

Can I test firmware for the PayloadPrototypeBoard2021 without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug STM32 firmware against it before you order a PCB.

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