Constellation Stack V3.0
HelloItzAlex·KiCAD-Designs·Constellation Stack V3.0/Constellation Stack V3.0.kicad_pcb
About the Constellation Stack V3.0 PCB
Constellation Stack V3.0 is an open source ESP32 PCB design by HelloItzAlex, published on GitHub. It is a 4-layer board measuring 57.2 × 57.2 mm, with 67 components from 41 distinct parts.
Its main chip is the ESP32-WROOM-32UE, from the ESP32 family. Other key parts include the AP62150Z6-7, LDK320AM50R, LDL1117S33R, BMP390 and BMI088. By type, the board carries 24 capacitors, 10 ICs, 10 resistors, 7 test points, 6 diodes and 5 connectors.
Main components on the Constellation Stack V3.0
Constellation Stack V3.0 bill of materials (BOM)
67 components, 41 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | AP62150Z6-7 | TSOT-23-6 | U1 |
| 1 | LDK320AM50R | SC-74A-5_1.55x2.9mm_P0.95mm | U2 |
| 1 | LDL1117S33R | SOT-223 | U3 |
| 1 | BMP390 | 10LGA_2X2X0p75_BOS | U4 |
| 1 | ESP32-WROOM-32UE | ESP32-WROOM-32UE | U5 |
| 1 | BMI088 | BMI088 | U6 |
| 1 | W25Q16JVSSIQ | SOIC-8_5.275x5.275mm_P1.27mm | U7 |
| 1 | MAX485CSA+T | SOIC-8_3.9x4.9mm_P1.27mm | U8 |
| 1 | MIC5504-3.3YM5 | SOT-23-5 | U9 |
| 1 | ADS8688 | TSSOP-38_4.4x9.7mm_P0.5mm | U10 |
| 1 | DMP3099L | SOT-23-3 | Q2 |
| 1 | PWR | PinSocket_1x08_P2.54mm_Vertical | J1 |
| 1 | PROG SOCKET | PinSocket_1x06_P2.54mm_Vertical | J2 |
| 1 | ADC_IN | PinSocket_1x08_P2.54mm_Vertical | J3 |
| 1 | MSD-1-A | CUI_MSD-1-A | J4 |
| 1 | GPIO/ESP_ADC OUT | PinSocket_1x08_P2.54mm_Vertical | J8 |
| 1 | LSM115JE3/TR13 | DO-214BA_MCH-L | CR1 |
| 1 | RESET | SW_PTS636_CNK | SW1 |
| 1 | GPIO_0 | SW_PTS636_CNK | SW2 |
| 7 | TestPoint | TestPoint_Loop_D2.60mm_Drill1.6mm_Beaded | TP6, TP7, TP8, TP16, TP17, TP19, TP20 |
Show 21 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 4 | C3030991 RED | LED_0603_1608Metric | D1, D2, D3, D4 |
| 1 | C5197644 BLUE | LED_0603_1608Metric | D5 |
| 1 | C5252984 GREEN | LED_0603_1608Metric | D6 |
| 1 | 3.3UH 3.3uH | L_1008_2520Metric | L1 |
| 5 | 100NF 100nF | C_0603_1608Metric | C1, C11, C12, C15, C16 |
| 3 | 10UF 10uF | C_0805_2012Metric | C2, C8, C17 |
| 1 | 22UF 22uF | C_0805_2012Metric | C3 |
| 5 | 1UF 1uF | C_0603_1608Metric | C4, C10, C13, C14, C20 |
| 2 | 1UF 1uF | C_0805_2012Metric | C5, C6 |
| 1 | 4.7UF 4.7uF | C_0603_1608Metric | C7 |
| 4 | 0.1UF 0.1uF | C_0603_1608Metric | C9, C18, C23, C24 |
| 1 | 22UF 22uF | C_1210_3225Metric | C19 |
| 2 | 10UF 10uF | C_0603_1608Metric | C21, C22 |
| 1 | 68K 68k | R_0603_1608Metric | R2 |
| 1 | 750 | R_0603_1608Metric | R3 |
| 1 | 270 | R_0603_1608Metric | R4 |
| 2 | 10K 10k | R_0603_1608Metric | R5, R11 |
| 1 | 150 | R_0603_1608Metric | R7 |
| 1 | 65 | R_0603_1608Metric | R8 |
| 2 | 5 | R_0603_1608Metric | R10, R20 |
| 1 | 120 | R_0805_2012Metric | R17 |
Constellation Stack V3.0 design files
The KiCad project lives in the HelloItzAlex/KiCAD-Designs repository on GitHub; these links point at the commit this page was built from.
Constellation Stack V3.0: common questions
What microcontroller does the Constellation Stack V3.0 use?
The Constellation Stack V3.0 is built around the ESP32-WROOM-32UE, from the ESP32 family.
How big is the Constellation Stack V3.0 PCB?
The Constellation Stack V3.0 measures 57.2 × 57.2 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Constellation Stack V3.0?
67 components, from 41 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 Constellation Stack V3.0 design files?
From the HelloItzAlex/KiCAD-Designs 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 Constellation Stack V3.0 design in my own project?
The repository has no license, so all rights stay with HelloItzAlex. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Constellation Stack V3.0 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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Earlier revisions in the repo: Constellation Stack V2.0, Constellation Stack V1.2, Constellation Stack V1.1, Constellation Stack V1.0
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