4 layers116.3 × 163 mm
4 layers101.5 × 43.6 mm
Alcantara v.1.0
zenitheesc/Alcantara5Mobile Ground Station for stratospheric probe monitoring and rescue. Goes well with the Zenith Monitor app.
- Size
- 101.5 × 43.6 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 90
- Nets
- 118
- Pads
- 387
- Tracks, vias
- 1,003, 370
- Pours
- 20
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 1 Sep 2021
- Updated
- 24 Oct 2023
Overview
Alcantara v.1.0 is an open-source printed circuit board by zenitheesc, from the zenitheesc/Alcantara repository on GitHub. It is a 4-layer board of 101.5 × 43.6 mm with 90 parts on 118 nets, routed with 1,003 tracks and 370 vias.
It is built around the E22-900M30S, ESP32-WROOM-32 and FT232RL-REEL, with the MS560702BA03-50, TPS61092RSA and MEM2075-00-140-01-A among its other parts. Its parts include 33 resistors, 20 capacitors, 11 ICs, 6 connectors and 5 transistors. It belongs with the sensors and measurement boards and the ESP32 boards of this library.
Main components
12
E22-900M30S
SMD,38.5x24mm-151dBm 12km 14mA 2.5V~5.5V 31dBm 650mA Continuous frequency coverage IPEX interface LoRa SPI SMD,38.5x24mm LoRa Modules ROHSChengdu Ebyte Elec TechLoRa Modules
ESP32-WROOM-32
SMD,18x25.5mm-40℃~+85℃ -98dBm 2.4GHz 2.7V~3.6V 20dBm Bluetooth4.2 ESP32-DOWDQ6 UART、SDIO、SPI、I2C、GPIO、PWM、ADC、DAC SMD,25.5x18mm WiFi Modules ROHSEspressif SystemsWiFi Modules
FT232RL-REEL
SSOP-28-208mil-40℃~+85℃ 15mA 3.3V~5.25V 3Mbps 70uA USB 2.0 USB to UART SSOP-28-208mil USB Converters ROHSFTDIUSB Converters
MS560702BA03-50
SMD-8P-40℃~+85℃ 1.5mbar 1.8V~3.6V 140nA 1Kpa~1.2bar I2C、SPI Yes SMD-8P Pressure Sensors ROHSTE ConnectivityPressure Sensors
TPS61092RSA
QFN-16-EP(4x4)-40℃~+85℃@(TA) 1 1.8V~5.5V 25uA 5V 600kHz Boost Boost Built-in Fixed Yes QFN-16-EP(4x4) DC-DC Converters ROHSTexas InstrumentsDC-DC ConvertersMEM2075-00-140-01-A
SMD1.4mm MicroSD Card (TF Card) Push-Push SMD SD Card / Memory Card Connector ROHSGlobal Connector Technology (GCT)SD Card / Memory Card ConnectorMAX17201G+T
TDFN-14(3x3)-40℃~+85℃ 1 18uA 2.3V~4.9V I2C Lithium Battery Monitoring IC Not supported Support TDFN-14(3x3) Battery Management ROHSMaxim Integrated (Analog Devices)Battery Management
NEO-M8N
Uncategorisedu-blox
PESD2ETH-ADX
TSOP-6100nA 12.3V 2pF 3.5A@8/20us 5.5V 6V ESD Four channels IEC 61000-4-2 TSOP-6 ESD and Surge Protection (TVS/ESD) ROHSNexperiaESD And Surge Protection (TVS/ESD)
TC1264-3.3VDB
SOT-223-40℃~+125℃ 1 130uA 3.3V 64dB@(1kHz) 6V 800mA Fixed Over Current Protection、Over Temperature Protection Positive SOT-223 Voltage Regulators - Linear, Low Drop Out (LDO) RegulatorsMicrochip TechnologyVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
2N7002NXAKR
SOT-23-55℃~+150℃ 1 N-channel 190mA、300mA 2.1V 20pF 265mW、1.33W 4.5Ω@10V 430pC@4.5V 60V SOT-23 MOSFETs ROHSNexperiaMOSFETsEVP-AAM02W
-- HWDG ROHSPanasonicUncategorised
README
README.mdAlcantara
Mobile Ground Station for stratospheric probe monitoring and rescue
Environment and Tools • Block Diagram • Schematic • Board • BOM • Use Concept
The Alcantara board functions as a ground station and data hub for the probe flights .
It is equipped with a EBYTE E22-900M30S 30dB module that carries the Semtech SX1262 transceiver, capable of LoRa, (G)FSK and OOK. The packets received from the probe can then be sent via WiFi, Bluetooth or Serially to a host computer or mobile phone.
The onboard GNSS module carries the NEO-M8N from u-blox, enabling it to be used as a tracking device.
Environment and tools
This system was designed using KiCad 5.1.10.
Block Diagram
Schematic
The design was separated in hierarchical sheets to accommodate all components in an orderly way.
On the experimental_realocate_components sheet you can find the ESP32 WROOM Module, the SD Card module (connected via SPI), Boot and Reset button (with the Brownout prevention voltage supervisor), auto upload transistors and the external connector.
The second page contains the power section, with the TPS61092 Boost Converter (with another voltage supervisor for undervolting protection for the battery) for 5V, a 3.3V linear voltage regulator, the battery with a P channel mosfet for reverse voltage protection and a MAX17201G+T stand-alone fuel gauge for the 18650 battery voltage and current monitoring.
On the third page you find the Neo-M8N module from u-blox and the E22-900M30S module from EBYTE.
And the last page has the peripherals, the USB connector with its ESD protector, the RGB LED, the buzzer with its mosfet, the two user interface buttons and the USB to Serial Converter.
Board
Interactive BOM
Parts
90| Qty | Value | Footprint | References |
|---|---|---|---|
| 15 | 10K | Resistor_SMD:R_0603_1608Metric | R1, R2, R3, R4, R5, R6, R10, R11, R13, R19, R23, R25, R26, R28, R34 |
| 6 | 1K | Resistor_SMD:R_0603_1608Metric | R16, R20, R21, R22, R30, R31 |
| 4 | 0.1uF | Capacitor_SMD:C_0603_1608Metric | C1, C3, C4, C9 |
| 4 | 1uF | Capacitor_SMD:C_0603_1608Metric | C13, C14, C19, C20 |
| 4 | 4.7K | Resistor_SMD:R_0603_1608Metric | R12, R14, R15, R27 |
| 3 | 100nF | Capacitor_SMD:C_0603_1608Metric | C16, C17, C18 |
| 2 | 10 | Resistor_SMD:R_0603_1608Metric | R9, R18 |
| 2 | 10uF | Capacitor_SMD:C_1206_3216Metric | C6, C12 |
| 2 | 10uF | Capacitor_SMD:C_0603_1608Metric | C2, C5 |
| 2 | 142-0701-801 | Alcantara_v.1:SMA_Amphenol_132289_EdgeMount | J2, J3 |
| 2 | 2N7002NXAKR | SamacSys_Parts:SOT95P230X110-3N | Q3, Q7 |
| 2 | 330 | Resistor_SMD:R_0603_1608Metric | R24, R33 |
| 2 | EVP-AAM02W | SamacSys_Parts:EVPAAM02W | S4, S5 |
| 2 | KSC941JLFS | SamacSys_Parts:KSC941JLFS | S1, S2 |
| 2 | MMSS8050-H-TP | digikey-footprints:SOT-23-3 | Q1, Q2 |
| 1 | 0.01 | Resistor_SMD:R_0805_2012Metric | R7 |
| 1 | 0.47uF | Capacitor_SMD:C_0603_1608Metric | C7 |
| 1 | 100k | Resistor_SMD:R_0603_1608Metric | R29 |
| 1 | 100uF | Capacitor_SMD:CP_Elec_5x5.3 | C10 |
| 1 | 10k | Resistor_SMD:R_0402_1005Metric | TH1 |
| 1 | 10nF | Capacitor_SMD:C_0603_1608Metric | C15 |
| 1 | 1uF | Capacitor_SMD:C_1206_3216Metric | C21 |
| 1 | 2.2uF | Capacitor_SMD:C_1206_3216Metric | C8 |
| 1 | 3.3K | Resistor_SMD:R_0603_1608Metric | R17 |
| 1 | 53261-0527 | SamacSys_Parts:532610527 | J8 |
| 1 | 6.8uH | SamacSys_Parts:INDPM4040X210N | L1 |
| 1 | 68k | Resistor_SMD:R_0603_1608Metric | R8 |
| 1 | Battery_Cell | Alcantara_v.1:BatteryHolder_Keystone_1042_1x18650_Modified | BT2 |
| 1 | Buzzer_SMD_AST0760MCTRQ | SamacSys_Parts:AST0760MCTRQ | U5 |
| 1 | D_Schottky_Small | Diode_SMD:D_0603_1608Metric | D1 |
| 1 | E22-900M30S | E22_Radios_Zenith:E22-900M30S | U1 |
| 1 | ESP32-WROOM-32 | digikey-footprints:ESP32-WROOM-32D | MOD1 |
| 1 | FT232RL-REEL | digikey-footprints:SSOP-28_W5.30mm | U7 |
| 1 | LED_RGBA | Alcantara_v.1:LED_D5.0mm-4_RGB_Wide_Pins | D2 |
| 1 | LOGO | LogosZenith:Logo_15,9mm | G*** |
| 1 | LOGO | LogosZenith:Alcantara_1,7mm | G*** |
| 1 | L_Small | Inductor_SMD:L_0402_1005Metric_Pad0.77x0.64mm_HandSolder | L2 |
| 1 | MAX17201G+T | SamacSys_Parts:SON40P300X300X80-15N | IC2 |
| 1 | MEM2075-00-140-01-A | SamacSys_Parts:MEM20750014001A | J5 |
| 1 | ML414H_IV01E | Downloaded:SEIKO_ML414H_IV01E | BT1 |
| 1 | MS560702BA03-50 | digikey-footprints:SMD-8_5x3mm | U3 |
| 1 | MSS-102545-14A-V-SMT | Alcantara_Footprints:SW_MSS-102545-14A-V-SMT | S6 |
| 1 | NEO-M8N | RF_GPS:ublox_NEO | U4 |
| 1 | PESD2ETH-ADX | SamacSys_Parts:SOT95P275X110-6N | IC5 |
| 1 | Q_PMOS_GSD | Alcantara_v.1:SOT346 | Q4 |
| 1 | TC1264-3.3VDB | SamacSys_Parts:SOT230P700X180-4N | IC4 |
| 1 | TLV803EA30DCKR | Package_TO_SOT_SMD:SOT-323_SC-70 | IC3 |
| 1 | TLV809ED29DBZR | SamacSys_Parts:SOT95P237X112-3N | IC1 |
| 1 | TPS61092 | Package_DFN_QFN:Texas_S-PVQFN-N16_EP2.7x2.7mm_ThermalVias | U2 |
| 1 | USB_B_Micro | digikey-footprints:USB_Micro_B_Female_10118192 | J4 |
| 1 | U_FL-R-SMT_10_ | Connector_Coaxial:U.FL_Hirose_U.FL-R-SMT-1_Vertical | J1 |
Questions
How big is the Alcantara v.1.0 PCB?
It measures 101.5 × 43.6 mm and has 4 copper layers, 1.6 mm thick.
What parts does the Alcantara v.1.0 use?
90 parts, built around the E22-900M30S, ESP32-WROOM-32, FT232RL-REEL and MS560702BA03-50. 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 Alcantara v.1.0 KiCad files?
From the zenitheesc/Alcantara repository on GitHub, at the commit this page was made from: the board is KiCad_Files/Alcantara_v.1.0.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Alcantara v.1.0 design in my own project?
Its repository states no licence, so its author keeps all rights: ask zenitheesc before reusing the design.
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