2 layers105 × 103 mm
2 layers100 × 100 mm
AstroBio v1
BrnoMarsRover/astro_bioRepo for Astro-Bio task
- Size
- 100 × 100 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 52
- Nets
- 59
- Pads
- 166
- Tracks, vias
- 250, 7
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 10.0 (file 20260206)
- Created
- 23 Jun 2026
- Updated
- 3 Sep 2026
Overview
AstroBio v1 is an open-source printed circuit board by BrnoMarsRover, from the BrnoMarsRover/astro_bio repository on GitHub. It is a 2-layer board of 100 × 100 mm with 52 parts on 59 nets, routed with 250 tracks and 7 vias.
It is built around the ESP32-DEVKITC-VE, TBA 2-0511 and LM358, with the TLV75533PDBV and MS 2 among its other parts. Its parts include 18 resistors, 12 connectors, 10 capacitors, 4 ICs and 2 fuses. It belongs with the ESP32 boards of this library.
Main components
5
ESP32-DEVKITC-VE
-- WiFi Modules ROHSEspressif SystemsWiFi ModulesTBA 2-0511
SIP,19.6x7.6mm-40℃~+90℃ 1 1.5kV 120mVp-p 2W 30kHz~200kHz 35mA 4.5V~5.5V 400mA 470uF 5V 78% Short Circuit Protection 塑封型 非稳压型 SIP,19.6x7.6mm Isolated Power Modules ROHSTRACO POWERIsolated Power Modules
LM358
SOP-8-18V~18V 0℃~+70℃ 1.2MHz 10nA 2 24mA 3V~36V 500uA 50nA 5mV 80dB Built-in compensation SOP-8 Operational Amplifier ROHSMSKSEMIOperational Amplifier
TLV75533PDBV
SOT-23-5-40℃~+125℃@(Tj) 1 238mV@(500mA) 25uA 3.3V 46dB@(100kHz) 5.5V 500mA 71.5uVrms Fixed Over Current Protection、Thermal Shutdown、Input undervoltage protection Positive SOT-23-5 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSTexas InstrumentsVoltage Regulators - Linear, Low Drop Out (LDO) RegulatorsMS 2
-- Disposable fuses ROHSBel FuseDisposable Fuses
Parts
52| Qty | Value | Footprint | References |
|---|---|---|---|
| 9 | 10k | Resistor_SMD:R_1206_3216Metric | R2, R3, R6, R7, R8, R9, R14, R18, R19 |
| 5 | 100n | Capacitor_SMD:C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C2, C4, C7, C8, C9 |
| 4 | 330k | Resistor_SMD:R_1206_3216Metric | R10, R11, R12, R13 |
| 3 | 20k | Resistor_SMD:R_1206_3216Metric | R4, R17, R20 |
| 3 | MS2 | Connector_Pin:Pin_D1.0mm_L10.0mm | J4, J5, J6 |
| 2 | 33uF | Capacitor_THT:CP_Radial_D8.0mm_P3.50mm | C1, C3 |
| 2 | 33uF | Capacitor_THT:CP_Radial_D5.0mm_P2.00mm | C6, C10 |
| 2 | HEIGHT_SENSOR2 | Connector_JST:JST_XH_B4B-XH-A_1x04_P2.50mm_Vertical | J12, J13 |
| 1 | 100uF | Capacitor_THT:CP_Radial_D8.0mm_P3.50mm | C5 |
| 1 | 15k | Resistor_SMD:R_1206_3216Metric | R5 |
| 1 | 1k | Resistor_SMD:R_1206_3216Metric | R1 |
| 1 | Driver_TMC2209 | TMC2209:Pololu_Breakout-16_15.2x20.3mm | A1 |
| 1 | ESP32-DevKitC | PCM_Espressif:ESP32-DevKitC | U1 |
| 1 | FLOW_SENSOR | Connector_JST:JST_XH_B3B-XH-A_1x03_P2.50mm_Vertical | J7 |
| 1 | Fuse 2A | fuseHolderATO:fuseHolderATO | F2 |
| 1 | Fuse 3A | fuseHolderATO:fuseHolderATO | F1 |
| 1 | LM358 | Package_DIP:DIP-8_W7.62mm | U4 |
| 1 | LOGO | logo:logo | G*** |
| 1 | MS1 | Connector_Pin:Pin_D1.0mm_L10.0mm | J3 |
| 1 | NTC 10k 3950 | Connector_JST:JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | J10 |
| 1 | Nema17 | Connector_JST:JST_XH_B4B-XH-A_1x04_P2.50mm_Vertical | J2 |
| 1 | PH_MODUL | Connector_JST:JST_XH_B3B-XH-A_1x03_P2.50mm_Vertical | J9 |
| 1 | POWER 24V | T-DEAN:DEANS | J1 |
| 1 | SERVO | Connector_JST:JST_XH_B3B-XH-A_1x03_P2.50mm_Vertical | J8 |
| 1 | TBA2-0511 | dcdc_converter_LM2596:dcdc_menic | U2 |
| 1 | TLV75533PDBV | Package_TO_SOT_SMD:SOT-23-5 | U5 |
The 48 most common of 52 parts.
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Questions
How big is the AstroBio v1 PCB?
It measures 100 × 100 mm and has 2 copper layers, 1.6 mm thick.
What parts does the AstroBio v1 use?
52 parts, built around the ESP32-DEVKITC-VE, TBA 2-0511, LM358 and TLV75533PDBV. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the AstroBio v1 KiCad files?
From the BrnoMarsRover/astro_bio repository on GitHub, at the commit this page was made from: the board is pcb/AstroBio_v1/ad.kicad_pcb and its schematic pcb/AstroBio_v1/ad.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the AstroBio v1 design in my own project?
Its repository states no licence, so its author keeps all rights: ask BrnoMarsRover before reusing the design.