Kuhglocke GS
About the Kuhglocke GS PCB
Kuhglocke GS is an open source ESP32 PCB design by Queens-Rocket-Engineering-Team, published on GitHub. It is a 2-layer board measuring 65 × 70 mm, with 115 components from 59 distinct parts.
Its main chip is the ESP32-S3-WROOM-1, from the ESP32 family. Other key parts include the P3T1755DPZ, CP2102N-Axx-xQFN28, RFM95W-915S2, ACS70331EOLC and LM66100DCKR. By type, the board carries 38 resistors, 31 capacitors, 13 ICs, 9 connectors, 7 transistors and 7 switches.
It belongs with the rf & radio and power & battery designs in this gallery.
From the project
QRET Avionics hardware, firmware, and documentation for 2023 to 2025.
This directory contains the V1.0 revision of the Kuhglocke ground station. It has several known problems;
Main components on the Kuhglocke GS
Kuhglocke GS bill of materials (BOM)
115 components, 59 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | P3T1755DPZ | P3T1755DPZ | IC1 |
| 1 | CP2102N-Axx-xQFN28 | QFN-28-1EP_5x5mm_P0.5mm_EP3.35x3.35mm | U1 |
| 1 | ESP32-S3-WROOM-1 | ESP32-S3-WROOM-1 | U2 |
| 1 | RFM95W-915S2 | RFM95W | U3 |
| 1 | ACS70331EOLC | SOIC127P600X175-8N | U4 |
| 2 | LM66100DCKR | SC-70-6_Handsoldering | U5, U6 |
| 1 | MAX98357AETE_T | MAX98357_QFN50P300X300X80-17N | U7 |
| 1 | TPS63001DRCR | Texas_DRC0010J_ThermalVias | U8 |
| 1 | YIC31616GMSGG GPS | YIC31616GMSGG | U9 |
| 1 | TPB4056B2X-ES1R | ES1ESOP-8-F_TPK | U10 |
| 1 | AMS1117-3.3 | SOT-223-3_TabPin2 | U11 |
| 1 | NAU7802SGI | SOI16_NAU7802SGI_NUV | U12 |
| 3 | AO3401A | SOT-23 | Q1, Q3, Q6 |
| 2 | MMBT3904 | SOT-23 | Q2, Q5 |
| 2 | AO3400A | SOT-23 | Q4, Q7 |
| 1 | USB_C_Female_USB2_Small | USB_C_DB-108PWB | J1 |
| 1 | MSD-1-A MicroSD Slot | MicroSD_MSD-1-A | J2 |
| 1 | ~ | PinHeader_1x08_P1.27mm_Vertical | J3 |
| 1 | 1S Li-Ion Cell | TerminalBlock_TE_282834-2_1x02_P2.54mm_Horizontal | J4 |
| 1 | Speaker | TerminalBlock_TE_282834-2_1x02_P2.54mm_Horizontal | J5 |
Show 39 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | MB_A | PinSocket_2x02_P1.27mm_Vertical | J6 |
| 1 | MB_B | PinSocket_2x02_P1.27mm_Vertical | J7 |
| 1 | DB_A | HPH2-A-04-UA_PINS | J8 |
| 1 | DB_B | HPH2-A-04-UA_PINS | J9 |
| 1 | Antenna | PCB114SMAFRAJA | AE1 |
| 1 | ADC_REFP | SolderJumper-2_P1.3mm_Bridged_Pad1.0x1.5mm | JP6 |
| 1 | SW_ESP_BOOT_MODE | SW_Push_1P1T_XKB_TS-1187A | SW1 |
| 1 | SW_ESP_RESET | SW_Push_1P1T_XKB_TS-1187A | SW2 |
| 1 | SW_DOWN | SW_Push_1P1T_XKB_TS-1187A | SW3 |
| 1 | SW_ENTER | SW_Push_1P1T_XKB_TS-1187A | SW4 |
| 1 | SW_UP | SW_Push_1P1T_XKB_TS-1187A | SW5 |
| 1 | SW_BACK | SW_Push_1P1T_XKB_TS-1187A | SW6 |
| 1 | PWR | SS-12D07-VG 4 NS GA PA | SW7 |
| 5 | WS2812B | LED_WS2812B_PLCC4_5.0x5.0mm_P3.2mm | D1, D4, D5, D6, D7 |
| 1 | INT_PWR_LED (RED) | LED_0805_2012Metric | D2 |
| 1 | DB_LED (GRN) | LED_0805_2012Metric | D3 |
| 1 | 2.2uH | L_Taiyo-Yuden_MD-4040 | L1 |
| 1 | 100uF | CP_Elec_6.3x5.9 | C1 |
| 10 | 0.1uF | C_0603_1608Metric | C2, C5, C9, C12, C13, C16, C21, C22 +2 |
| 9 | 1uF | C_0603_1608Metric | C3, C4, C7, C8, C14, C15, C20, C23 +1 |
| 1 | 4.7uF | C_0603_1608Metric | C6 |
| 9 | 10uF | C_0603_1608Metric | C10, C17, C18, C19, C24, C26, C27, C28 +1 |
| 1 | 47uF | C_0805_2012Metric | C11 |
| 14 | 10k | R_0603_1608Metric | R1, R3, R11, R16, R17, R20, R21, R22 +6 |
| 1 | 1.8k | R_0603_1608Metric | R2 |
| 1 | 1.5k | R_0603_1608Metric | R4 |
| 2 | 5.1k | R_0603_1608Metric | R5, R6 |
| 1 | 2.4k | R_0603_1608Metric | R7 |
| 1 | 3.9k | R_0603_1608Metric | R8 |
| 4 | 100k | R_0603_1608Metric | R9, R18, R36, R38 |
| 2 | 51k | R_0603_1608Metric | R10, R37 |
| 2 | 510 | R_0603_1608Metric | R12, R39 |
| 3 | 1k | R_0603_1608Metric | R13, R28, R29 |
| 1 | 2k | R_0603_1608Metric | R14 |
| 1 | 5.6k | R_0603_1608Metric | R15 |
| 2 | 4.7k | R_0603_1608Metric | R24, R25 |
| 1 | 22k | R_0603_1608Metric | R30 |
| 1 | 47k | R_0603_1608Metric | R31 |
| 1 | 100 | R_0603_1608Metric | R35 |
Kuhglocke GS 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.
Kuhglocke GS: common questions
What microcontroller does the Kuhglocke GS use?
The Kuhglocke GS is built around the ESP32-S3-WROOM-1, from the ESP32 family.
How big is the Kuhglocke GS PCB?
The Kuhglocke GS measures 65 × 70 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Kuhglocke GS?
115 components, from 59 distinct parts. The full bill of materials is listed on this page.
Where can I download the Kuhglocke GS 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 Kuhglocke GS 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 Kuhglocke GS without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug ESP32 firmware against it before you order a PCB.
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STM32QRET 23-24 SRAD Communications Module
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GPS Antenna Board
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Backplane
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