QRET 23-24 SRAD Altimeter Module
About the QRET 23-24 SRAD Altimeter Module
QRET 23-24 SRAD Altimeter Module is an open source STM32 PCB design by Queens-Rocket-Engineering-Team, published on GitHub. It is a 4-layer board measuring 69.5 × 62.6 mm, with 92 components from 51 distinct parts.
Its main chip is the STM32F103CBT6, from the STM32 family. Other key parts include the QMA6100P, MS560702BA03-50, W25Q128JVS, LM66100DCKR and ISO1042BDWVR. By type, the board carries 30 capacitors, 29 resistors, 12 ICs, 8 diodes, 4 transistors and 4 connectors.
It belongs with the rf & radio and sensors designs in this gallery.
From the project
QRET Avionics hardware, firmware, and documentation for 2023 to 2025.
This directory contains all schematics involved in this iteration of the Avionics system.
Main components on the QRET 23-24 SRAD Altimeter Module
QRET 23-24 SRAD Altimeter Module bill of materials (BOM)
92 components, 51 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | QMA6100P | LGA-12_2x2mm_P0.5mm | U1 |
| 1 | MS560702BA03-50 | MS5607_Handsolder | U2 |
| 1 | W25Q128JVS | SOIC-8_5.23x5.23mm_P1.27mm | U3 |
| 3 | LM66100DCKR | SC-70-6_Handsoldering | U4, U5, U7 |
| 1 | STM32F103CBT6 | LQFP-48_7x7mm_P0.5mm | U6 |
| 1 | ISO1042BDWVR | SOIC-8 ISO1042BDWV | U8 |
| 1 | MPU-6050 | InvenSense_QFN-24_4x4mm_P0.5mm | U9 |
| 1 | TPM8837C-SO1R | SOP-8_TPK | U10 |
| 1 | CP2102N-Axx-xQFN28 | QFN-28-1EP_5x5mm_P0.5mm_EP3.35x3.35mm | U11 |
| 1 | AMS1117-3.3 | SOT-223-3_TabPin2 | U12 |
| 2 | AO3400A | SOT-23 | Q1, Q4 |
| 2 | AO4406A | SOIC-8_3.9x4.9mm_P1.27mm | Q2, Q5 |
| 1 | X322516MMB4SI | Crystal_SMD_3225-4Pin_3.2x2.5mm | Y1 |
| 1 | Main E-Match | CONN_2-1445057-2_TYCO | J2 |
| 1 | Drogue E-Match | CONN_2-1445057-2_TYCO | J3 |
| 1 | USB_C_Female_USB2_Small | USB_C_DB-108PWB | J4 |
| 1 | SWD_01x04_Pin | SWD_PinHeader_1x04_P2.54mm_Horizontal_SMD | J5 |
| 1 | PS1240P02BT | Buzzer_12.6x9.5RM5.0 | BZ1 |
| 1 | SW_STM_RESET | SW_Push_1P1T_XKB_TS-1187A | SW1 |
| 1 | SW_STM_BOOT_MODE | SW_Push_1P1T_XKB_TS-1187A | SW2 |
Show 31 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | PWR_LED (GRN) | LED_0805_2012Metric | D1 |
| 2 | WS2812B | LED_WS2812B_PLCC4_5.0x5.0mm_P3.2mm | D2, D4 |
| 1 | DB_LED (YLW) | LED_0603_1608Metric | D3 |
| 2 | 1N5819WS | D_SOD-323 | D5, D6 |
| 1 | FIRE_MAIN (RED) | LED_0603_1608Metric | D7 |
| 1 | FIRE_DRGE (RED) | LED_0603_1608Metric | D8 |
| 1 | 100R | R_0805_2012Metric | FB1 |
| 8 | 100nF | C_0603_1608Metric | C1, C3, C5, C8, C9, C18, C24, C30 |
| 4 | 1uF | C_0603_1608Metric | C2, C4, C6, C16 |
| 2 | 10p | C_0603_1608Metric | C7, C10 |
| 1 | 10uF | CP_Elec_4x5.4 | C11 |
| 4 | 100n | C_0402_1005Metric | C12, C13, C15, C17 |
| 1 | 100uF | CP_Elec_6.3x5.9 | C14 |
| 1 | 10n | C_0603_1608Metric | C19 |
| 2 | 1uF | C_0805_2012Metric | C20, C21 |
| 2 | 0.1u | C_0603_1608Metric | C22, C23 |
| 1 | 2.2nF | C_0603_1608Metric | C25 |
| 1 | 10nF | C_0603_1608Metric | C26 |
| 3 | 10uF | C_0603_1608Metric | C27, C31, C32 |
| 2 | 4.7k | R_0603_1608Metric | R1, R3 |
| 6 | 10k | R_0603_1608Metric | R2, R4, R6, R11, R19, R25 |
| 1 | 3.3k | R_0603_1608Metric | R5 |
| 1 | 680R | R_0603_1608Metric | R7 |
| 1 | 1.5k | R_0603_1608Metric | R8 |
| 6 | 510R | R_0603_1608Metric | R9, R18, R20, R24, R26, R27 |
| 1 | 30k | R_0603_1608Metric | R10 |
| 6 | 100k | R_0603_1608Metric | R12, R13, R17, R21, R22, R23 |
| 2 | 5.1k | R_0603_1608Metric | R28, R29 |
| 1 | 22k | R_0603_1608Metric | R30 |
| 1 | 47k | R_0603_1608Metric | R31 |
| 1 | 1k | R_0603_1608Metric | R32 |
QRET 23-24 SRAD Altimeter Module design files
The KiCad project lives in the Queens-Rocket-Engineering-Team/Avionics-23-26 repository on GitHub; these links point at the commit this page was built from.
QRET 23-24 SRAD Altimeter Module: common questions
What microcontroller does the QRET 23-24 SRAD Altimeter Module use?
The QRET 23-24 SRAD Altimeter Module is built around the STM32F103CBT6, from the STM32 family.
How big is the QRET 23-24 SRAD Altimeter Module?
The QRET 23-24 SRAD Altimeter Module measures 69.5 × 62.6 mm, has 4 copper layers and is 1.6062 mm thick.
How many components are on the QRET 23-24 SRAD Altimeter Module?
92 components, from 51 distinct parts. The full bill of materials is listed on this page.
Where can I download the QRET 23-24 SRAD Altimeter Module design files?
From the Queens-Rocket-Engineering-Team/Avionics-23-26 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the QRET 23-24 SRAD Altimeter Module design in my own project?
The repository has no license, so all rights stay with Queens-Rocket-Engineering-Team. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the QRET 23-24 SRAD Altimeter Module 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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