2 layers34.3 × 42.2 mm
4 layers66 × 53.3 mm
Shield
harrydshill/Base-Station- Size
- 66 × 53.3 mm
- Copper layers
- 4
- Thickness
- 1.65 mm
- Parts
- 106
- Nets
- 105
- Pads
- 370
- Tracks, vias
- 854, 521
- Pours
- 4
- Routed
- Yes
- KiCad
- KiCad 10.0 (file 20260206)
- Created
- 29 Apr 2026
- Updated
- 11 Oct 2026
Overview
Shield is an open-source printed circuit board by harrydshill, from the harrydshill/Base-Station repository on GitHub. It is a 4-layer board of 66 × 53.3 mm with 106 parts on 105 nets, routed with 854 tracks and 521 vias.
It is built around the TPSM33606S5QRDNRQ1, AP2171WG and USBLC6-2SC6, with the SG-210STF and UT6KE5TCR among its other parts. Its parts include 36 capacitors, 32 resistors, 14 ICs, 5 diodes and 5 connectors.
Main components
5
TPSM33606S5QRDNRQ1
QFN-11(3.5x4.5)QFN-11(3.5x4.5) DC-DC Power Modules ROHSTexas InstrumentsDC-DC Power Modules
AP2171WG
SOT-25-5-40℃~+85℃ 1 1A 2.7V~5.5V 95mΩ Active High High Side Switch Overcurrent Protection(OCP)、Overtemperature protection (OTP) SOT-25-5 Power Distribution Switches ROHSDiodes IncorporatedPower Distribution Switches
USBLC6-2SC6
SOT-23-60.35pF、0.8pF 100nA 150W@8/20us 15V 2 5V 6A@8/20us 6V ESD SOT-23-6 ESD and Surge Protection (TVS/ESD) ROHSUMWESD And Surge Protection (TVS/ESD)
SG-210STF
SMD2520-4P-40℃~+85℃ 1.6V~3.6V 1.8mA 13MHz ±50ppm SMD2520-4P Crystal Oscillators ROHSSeiko EpsonOscillators
UT6KE5TCR
DFN2020-8D-55℃~+150℃ 100V 2 N-Channel 2.5V 2.8nC@10V 207mΩ@4.5V 25pF 2A 2W 4pF 90pF Common source N-Channel ±20V DFN2020-8D MOSFETs ROHSROHM SemiconductorMOSFETs
README
README.mdBase-Station
PCB for an RTL-SDR basestation I am working on. Ideal is to have an SDR with QRH antenna for talking to NOAA satellites. An Arduino UNO Q is used to allow for linux - makes life easier with using GPredict and such to track the satellite.
PCB Features
Main PCB
- RS485 (for controlling PELCO mount to rotate antenna to track satellite)
- USB hub (to split the single USB-C port of the UNO Q into two ports)
- Temperature and current sense
- PoL converters for each USB port
LDO PCB
- Ultra high performance inline LDO board to condition the power supply for the RTL-SDR
##Status Wip 😱
Parts
106| Qty | Value | Footprint | References |
|---|---|---|---|
| 22 | 100n | Capacitor_SMD:C_0402_1005Metric | C12, C13, C18, C19, C20, C21, C22, C23, C26, C27, C28, C29, C30, C31, C33, C34 +6 |
| 6 | 10k | Resistor_SMD:R_0402_1005Metric | R12, R13, R18, R33, R37, R39 |
| 6 | 22u | Capacitor_SMD:C_1210_3225Metric | C7, C8, C14, C15, C32, C40 |
| 4 | 22k | Resistor_SMD:R_0402_1005Metric | R14, R15, R16, R23 |
| 3 | 1M | Resistor_SMD:R_0402_1005Metric | R30, R31, R38 |
| 3 | 5.1k | Resistor_SMD:R_0402_1005Metric | R19, R20, R21 |
| 3 | LED | LED_SMD:LED_0603_1608Metric | D4, D5, D6 |
| 3 | ~ | Connector_USB:USB_C_Receptacle_GCT_USB4110 | J1, J5, J6 |
| 2 | 1 | Resistor_SMD:R_0603_1608Metric | R40, R41 |
| 2 | 10 | Resistor_SMD:R_0603_1608Metric | R34, R35 |
| 2 | 100k | Resistor_SMD:R_0402_1005Metric | R27, R28 |
| 2 | 10p | Capacitor_SMD:C_0402_1005Metric | C11, C17 |
| 2 | 12k | Resistor_SMD:R_0402_1005Metric | R25, R26 |
| 2 | 13A | Fuse:Fuse_1812_4532Metric | F1, F2 |
| 2 | 1u | Capacitor_SMD:C_0402_1005Metric | C24, C25 |
| 2 | 1u | Capacitor_SMD:C_0603_1608Metric | C10, C16 |
| 2 | 4.7u | Capacitor_SMD:C_0805_2012Metric | C3, C5 |
| 2 | 560 | Resistor_SMD:R_0402_1005Metric | R10, R29 |
| 2 | AP2171W | Package_TO_SOT_SMD:SOT-23-5 | U8, U9 |
| 2 | TPSM33606S5QRDNRQ1 | IMPORTED:RDN0011A_TEX_NEW | U5, U10 |
| 2 | USBLC6-2SC6 | Package_TO_SOT_SMD:SOT-23-6 | U901, U902 |
| 1 | 120 | Resistor_SMD:R_0805_2012Metric | R36 |
| 1 | 2.1k | Resistor_SMD:R_0603_1608Metric | R11 |
| 1 | 2m | Resistor_SMD:R_0603_1608Metric | R1 |
| 1 | 330k | Resistor_SMD:R_0402_1005Metric | R32 |
| 1 | 47k | Resistor_SMD:R_0402_1005Metric | R17 |
| 1 | 50k | Resistor_SMD:R_0402_1005Metric | R24 |
| 1 | Analog_1 | ArduinoPinSockets:Arduino_PinSocket_1x08_P2.54mm_Vertical | U2 |
| 1 | Analog_2 | ArduinoPinSockets:Arduino_PinSocket_1x06_P2.54mm_Vertical | U3 |
| 1 | Digital_1 | ArduinoPinSockets:Arduino_PinSocket_1x10_P2.54mm_Vertical | U6 |
| 1 | Digital_2 | ArduinoPinSockets:Arduino_PinSocket_1x08_P2.54mm_Vertical | U7 |
| 1 | FB_REG_1 | TestPoint:TestPoint_Pad_D1.0mm | TP2 |
| 1 | FB_REG_2 | TestPoint:TestPoint_Pad_D1.0mm | TP1 |
| 1 | INA293B3 | Package_TO_SOT_SMD:SOT-23-5 | U1 |
| 1 | MCP9700Ax-ETT | Package_TO_SOT_SMD:SOT-23 | U11 |
| 1 | MountingHole2 | ArduinoMountingHoles:Arduino_MountingHole | H2 |
| 1 | MountingHole4 | ArduinoMountingHoles:Arduino_MountingHole | H4 |
| 1 | RACK OUT 2.00mm | Connector_PinHeader_2.00mm:PinHeader_1x06_P2.00mm_Vertical | J7 |
| 1 | SBR3U60P1-7 | Diode_SMD:D_PowerDI-123 | D1 |
| 1 | SG-210STF | Oscillator:Oscillator_SMD_SeikoEpson_SG210-4Pin_2.5x2.0mm | Y1 |
| 1 | SM712_SOT23 | Package_TO_SOT_SMD:SOT-23 | D7 |
| 1 | THVD1406DRLR | Package_TO_SOT_SMD:SOT-23-8 | IC2 |
| 1 | USB1_VBUS | TestPoint:TestPoint_Pad_D1.0mm | TP6 |
| 1 | USB1_VREG | TestPoint:TestPoint_Pad_D1.0mm | TP8 |
| 1 | USB2422-I_MJ | Package_DFN_QFN:QFN-24-1EP_4x4mm_P0.5mm_EP2.5x2.5mm | IC1 |
| 1 | USB2_VBUS | TestPoint:TestPoint_Pad_D1.0mm | TP7 |
| 1 | USB2_VREG | TestPoint:TestPoint_Pad_D1.0mm | TP9 |
| 1 | USB_HUB_RST | TestPoint:TestPoint_Pad_D1.0mm | TP5 |
| 1 | USB_PSU_EN | TestPoint:TestPoint_Pad_D1.0mm | TP4 |
| 1 | UT6KE5 | IMPORTED:UT6KE5TCR | Q3 |
| 1 | XT60 | Connector_AMASS:AMASS_XT60PW-F_1x02_P7.20mm_Horizontal | J2 |
Questions
How big is the Shield PCB?
It measures 66 × 53.3 mm and has 4 copper layers, 1.65 mm thick.
What parts does the Shield use?
106 parts, built around the TPSM33606S5QRDNRQ1, AP2171WG, USBLC6-2SC6 and SG-210STF. 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 Shield KiCad files?
From the harrydshill/Base-Station repository on GitHub, at the commit this page was made from: the board is rs485adaptershield/shield.kicad_pcb and its schematic inline_ldo/ldo/ldo.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Shield design in my own project?
Its repository states no licence, so its author keeps all rights: ask harrydshill before reusing the design.
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