HardLabs

Lre avio daq2

IITB-Rocket-Team-Avionics·Ember·Ember_ECU_V0/lre_avio_daq2.kicad_pcb

Lre avio daq2 PCB layout, top view — open source STM32 board by IITB-Rocket-Team-Avionics

About the Lre avio daq2 PCB

Lre avio daq2 is an open source STM32 PCB design by IITB-Rocket-Team-Avionics, published on GitHub under the MIT license. It is a 2-layer board measuring 4.5 × 13.4 mm, with 136 components from 36 distinct parts.

Its main chip is the STM32F412VGTx, from the STM32 family. Other key parts include the AMS1117-5.0, HX711, SN65HVD230, ADS8353QPWRQ1 and MAX31856. By type, the board carries 71 capacitors, 36 resistors, 17 ICs, 7 connectors, 1 transistor and 1 crystal.

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

From the project

Experimental Flight Computer with potential mitigations of previous issues faced by FLYTE and a testbed for new systems.

Ember is the SRAD flight computer system of the IITB Rocket Team, developed as an experimental platform with mitigations for issues faced by previous systems and as a testbed for new avionics architecture.

NTDU (Navigation, Telemetry & Data Unit) — main board. Independent sensor suite for navigation and state estimation, GNSS, LoRa telemetry, data acquisition (dp probe, strain gauges), configuration authority for all nodes on boot, aggregates and logs data from all CAN nodes.

Lre avio daq2, from the project README
From the project README

Main components on the Lre avio daq2

AMS1117-5.0HX711SN65HVD230ADS8353QPWRQ1MAX31856STM32F412VGTxWS2812B-2020

Lre avio daq2 bill of materials (BOM)

136 components, 36 distinct parts.

QtyPartRefs
2
AMS1117-5.0
U1, U5
4
HX711
U2, U4, U13, U14
1
SN65HVD230
U3
3
ADS8353QPWRQ1
U6, U10, U11
3
MAX31856
U7, U8, U9
1
STM32F412VGTx
U12
3
WS2812B-2020
U15, U16, U17
1
~
Q5
1
Crystal_8Mhz
Y1
1
Conn_01x02_Socket
J1
1
USB_C_Receptacle_USB2.0_16P
J11
5
XT30PW-F
J12, J13, J14, J15, J16
1
CMT-8530S-SMT
LS1
1
SW_SPDT
SW1
1
LED
D3
6
1nF
C1, C2, C3, C4, C5, C6
2
20 pF
C8, C9
8
10 muF
C10, C12, C31, C42, C64, C65, C68, C69
17
0.1 muF
C11, C13, C14, C16, C17, C19, C22, C23 +9
6
0.01 muF
C15, C18, C20, C21, C25, C26
Show 16 more
QtyPartRefs
12
C
C29, C30, C32, C33, C34, C35, C36, C37 +4
12
100 nF
C45, C47, C50, C51, C53, C54, C55, C56 +4
5
1 muF
C46, C48, C49, C52, C60
1
10 nF
C59
2
4.7 muF
C62, C63
14
100
R1, R3, R4, R7, R8, R9, R10, R17 +6
1
120
R2
1
RSX501LAM20TR
R5
7
10K
R6, R11, R12, R13, R14, R15, R16
2
150K
R18, R20
2
100K
R19, R21
3
33k
R28, R30, R32
3
1k
R29, R31, R33
1
R
R34
1
100
R35
1
10k
R36

Lre avio daq2 design files

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

Lre avio daq2: common questions

What microcontroller does the Lre avio daq2 use?

The Lre avio daq2 is built around the STM32F412VGTx, from the STM32 family.

How big is the Lre avio daq2 PCB?

The Lre avio daq2 measures 4.5 × 13.4 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Lre avio daq2?

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

Where can I download the Lre avio daq2 design files?

From the IITB-Rocket-Team-Avionics/Ember repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Lre avio daq2 design in my own project?

Yes, under the terms of its MIT license, which IITB-Rocket-Team-Avionics chose for the repository.

Can I test firmware for the Lre avio daq2 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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