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Estação de Comando — Ignição LoRa 433 MHz

Serra-Rocketry·ignitor·hardware/kicad/pcbignicao/pcbcomando/pcbcomando.kicad_pcb

Estação de Comando — Ignição LoRa 433 MHz PCB layout, top view — open source Raspberry Pi board by Serra-Rocketry

About the Estação de Comando — Ignição LoRa 433 MHz PCB

Estação de Comando — Ignição LoRa 433 MHz is an open source Raspberry Pi PCB design by Serra-Rocketry, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 60 × 58 mm, with 14 components from 13 distinct parts.

Its main chip is the SC0915, from the Raspberry Pi family. Other key parts include the Ra-02. By type, the board carries 5 connectors, 3 diodes, 2 capacitors, 2 resistors, 1 IC and 1 module.

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

From the project

[Propulsion] Remote ignition system for rocket motors.

O sistema possui duas estacoes independentes conectadas por LoRa 433 MHz:

- Estacao de Comando: operada pelo usuario em area segura. - Estacao de Ignicao: fica proxima ao foguete e aciona o ignitor.

Pinagem da pcbignicaosmd` (footprint DIP-38):

1. Comando envia ARMCONFIRMED enquanto o botao e mantido. 2. Ignicao confirma com ACK e inicia contagem de 5 s. 3. Se houver ABORT ou perda de sinal > 500 ms, ciclo e cancelado. 4. Ao final da contagem, saida de ignicao ativa por 2 s. 5. Ignicao envia IGNITIONCOMPLETE.

Estação de Comando — Ignição LoRa 433 MHz, from the project README
From the project README

Main components on the Estação de Comando — Ignição LoRa 433 MHz

Ra-02SC0915

Estação de Comando — Ignição LoRa 433 MHz bill of materials (BOM)

14 components, 13 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
Ra-02
Ai-Thinker
U1
1
SC0915
Raspberry_Pi_Pico_THT
Raspberry Pi
A1
1
PRPC001SAAN-RC
+buzzer
Sullins
J3
1
PRPC001SAAN-RC
-buzzer
Sullins
J4
1
PRPC001SAAN-RC
NO
Sullins
J5
1
PRPC001SAAN-RC
COM
Sullins
J6
1
PRPC002SAAN-RC
EXT_PWR
Sullins
J7
1
L-53YD
LED_Y
Kingbright
D1
1
L-53SRD
LED_R
Kingbright
D2
1
1N5819
Diotec
D3
1
K104K15X7RF5TH5
100nF
Vishay
C1
1
UVR1E100MDD
10uF
Nichicon
C2
2
CFR-25JB-52-330R
330
Yageo
R1, R2

Estação de Comando — Ignição LoRa 433 MHz design files

The KiCad project lives in the Serra-Rocketry/ignitor repository on GitHub; these links point at the commit this page was built from.

Estação de Comando — Ignição LoRa 433 MHz: common questions

What microcontroller does the Estação de Comando — Ignição LoRa 433 MHz use?

The Estação de Comando — Ignição LoRa 433 MHz is built around the SC0915, from the Raspberry Pi family.

How big is the Estação de Comando — Ignição LoRa 433 MHz PCB?

The Estação de Comando — Ignição LoRa 433 MHz measures 60 × 58 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Estação de Comando — Ignição LoRa 433 MHz?

14 components, from 13 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Estação de Comando — Ignição LoRa 433 MHz design files?

From the Serra-Rocketry/ignitor repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the Estação de Comando — Ignição LoRa 433 MHz design in my own project?

Yes, under the terms of its GPL-3.0 license, which Serra-Rocketry chose for the repository.

Can I test firmware for the Estação de Comando — Ignição LoRa 433 MHz without the hardware?

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

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