4 layers100 × 91.4 mm
4 layers70 × 70 mm
- Size
- 70 × 70 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 65
- Nets
- 30
- Pads
- 216
- Tracks, vias
- 204, 101
- Pours
- 12
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 25 Jul 2024
- Updated
- 6 Nov 2026
Overview
Air is an open-source printed circuit board by marmbrus, from the marmbrus/circuits repository on GitHub. It is a 4-layer board of 70 × 70 mm with 65 parts on 30 nets, routed with 204 tracks and 101 vias.
It is built around the ADS1115IDGS, TPS7A2033PDBVR-TP and SCD41-D-R2, with the BSS138 and SM06B-GHS-TB(LF)(SN) among its other parts. Its parts include 24 capacitors, 8 resistors, 6 ICs, 2 transistors and 2 connectors.
Main components
5
ADS1115IDGS
MSOP10Ultra-Small, Low-Power, 4 Channels 16-Bit Analog-to-Digital Converter with Internal ReferenceTexas InstrumentsUncategorised
TPS7A2033PDBVR-TP
SOT-23-5-40℃~+85℃ 1 180uV@(300mA) 2uA 3.3V 300mA 5.5V 75dB@(1kHz) Fixed Over Current Protection、Enable、Thermal Shutdown Positive SOT-23-5 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSTECH PUBLICUncategorised
SCD41-D-R2
LGA-20UncategorisedSensirion
BSS138
SOT-23-55℃~+150℃ 1 N-channel 1.1Ω@10V、1.2Ω@4.5V 1.2V 1.7nC@10V 17.5pF 340mA 350mW 50V 6.5pF N-Channel SOT-23 MOSFETs ROHShongjiachengMOSFETs
SM06B-GHS-TB(LF)(SN)
SMD,P=1.25mm,卧贴-25℃~+85℃ 1 1.25mm 10.75mm 1A 1x6P 4.13mm 4.25mm 50V 6 6P Auxiliary Solder Pin GH PA9T Phosphor bronze Surface Mount, Right Angle Tin UL94V-0 White SMD,P=1.25mm,卧贴 Wire To Board Connector ROHSJSTWire To Board Connector
README
readme.mdPlugins
Template Setup
Preferences -> Configure Paths...
- KICAD_USER_TEMPLATE_DIR=~/workspace/circuits/templates
Component Setup
easyeda2kicad
- github
easyeda2kicad --output ~/workspace/circuits/libraries/easyeda2kicad --full --lcsc_id=...
Schematics Editor -> Preferences -> Manage Symbol Libraries...
easyeda2kicad -> circuits/libraries/easyeda2kicad/easyeda2kicad.kicad_sym
PCB Editor -> Preferences -> Manage Footprint Libraries...
easyeda2kicad -> circuits/libraries/easyeda2kicad/easyeda2kicad.pretty
Parts
65| Qty | Value | Footprint | References |
|---|---|---|---|
| 16 | LabeledTestPoint | easyeda2kicad:LabeledTestPoint | TP201, TP202, TP203, TP301, TP302, TP303, TP304, TP305, TP306, TP401, TP402, TP403, TP701, TP702, TP703, TP704 |
| 8 | 1uF | Capacitor_SMD:C_0603_1608Metric | C202, C203, C301, C303, C305, C402, C403, C603 |
| 6 | 10uF | Capacitor_SMD:C_0603_1608Metric | C501, C502, C503, C601, C602, C701 |
| 5 | 100nF | Capacitor_SMD:C_0603_1608Metric | C302, C304, C504, C505, C702 |
| 5 | 10k | Resistor_SMD:R_0603_1608Metric | R201, R302, R401, R703, R704 |
| 4 | 4.7uF | Capacitor_SMD:C_0603_1608Metric | C201, C204, C401, C404 |
| 4 | MountingHole_Pad | MountingHole:MountingHole_3.2mm_M3_Pad_Via | H101, H102, H103, H104 |
| 2 | 4.7k | Resistor_SMD:R_0603_1608Metric | R701, R702 |
| 2 | 73412-0110 | easyeda2kicad:ANT-SMD_73412-0110 | RF101, RF102 |
| 2 | BSS138 | Package_TO_SOT_SMD:SOT-23 | Q701, Q702 |
| 2 | TPS7A2033PDBVR | easyeda2kicad:SOT-23-5_L2.9-W1.6-P0.95-LS2.8-BR | U201, U401 |
| 1 | 100nf | Capacitor_SMD:C_0603_1608Metric | C604 |
| 1 | 1k | Resistor_SMD:R_0603_1608Metric | R301 |
| 1 | 3SP-H2S-50_110-304 | Sensor:SPEC_110-xxx_SMD-10Pin_20x20mm_P4.0mm | U303 |
| 1 | ADS1115IDGS | Package_SO:TSSOP-10_3x3mm_P0.5mm | U301 |
| 1 | LMP91000SDX/NOPB | easyeda2kicad:WSON-14_L4.0-W4.0-P0.50-BL-EP-1 | U302 |
| 1 | SCD41-D-R2 | Sensor:Sensirion_SCD4x-1EP_10.1x10.1mm_P1.25mm_EP4.8x4.8mm | U501 |
| 1 | SM04B-SRSS-TB (LF)(SN) | easyeda2kicad:CONN-SMD_4P-P1.00_SM04B-SRSS-TB-LF-SN | CN701 |
| 1 | SM06B-GHS-TB(LF)(SN) | easyeda2kicad:CONN-TH_SM06B-GHS-TB-LF-SN | CN601 |
| 1 | SolderJumper_2_Bridged | Jumper:SolderJumper-2_P1.3mm_Bridged2Bar_RoundedPad1.0x1.5mm | JP301 |
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Questions
How big is the Air PCB?
It measures 70 × 70 mm and has 4 copper layers, 1.6 mm thick.
What parts does the Air use?
65 parts, built around the ADS1115IDGS, TPS7A2033PDBVR-TP, SCD41-D-R2 and BSS138. 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 Air KiCad files?
From the marmbrus/circuits repository on GitHub, at the commit this page was made from: the board is air/air.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Air design in my own project?
Its repository states no licence, so its author keeps all rights: ask marmbrus before reusing the design.