4 layers60 × 100 mm
4 layers60 × 100 mm
MIDAS MK1
ISSUIUC/ISS-PCB33Building custom flight computers
- Size
- 60 × 100 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 221
- Nets
- 332
- Pads
- 1,033
- Tracks, vias
- 1,104, 275
- Pours
- 29
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 14 Oct 2020
- Updated
- 7 Nov 2026
Overview
MIDAS MK1 is an open-source printed circuit board by ISSUIUC, from the ISSUIUC/ISS-PCB repository on GitHub. It is a 4-layer board of 60 × 100 mm with 221 parts on 332 nets, routed with 1,104 tracks and 275 vias.
It is built around the ESP32-S3-WROOM-1U-N4, TESEO-LIV3R and LIS3MDL, with the MS5611-01BA03, PJS008-4100-0-VE and ADXL355BEZ among its other parts. Its parts include 75 capacitors, 73 resistors, 21 ICs, 13 connectors and 7 diodes. It belongs with the sensors and measurement boards and the ESP32 and NXP (LPC, Kinetis, i.MX RT) boards of this library.
Main components
12
ESP32-S3-WROOM-1U-N4
SMD,19.2x18mm-103.5dBm -40℃~+85℃ 2.4GHz 20.5dBm 355mA 3V~3.6V 95mA Bluetooth5.0 ESP32-S3 UART、SPI、I2C、I2S、USB SMD,19.2x18mm WiFi Modules ROHSEspressif SystemsWiFi Modules
TESEO-LIV3R
SMD-18PSMD-18P GNSS Modules ROHSSTMicroelectronicsGNSS Modules
LIS3MDL
LGA-12(2x2)-40℃~+85℃ 1.9V~3.6V 16bit 1uA、40uA、270uA I2C、SPI ±1.6mT、±1.2mT、±8Gs、±4Gs ±1.6mT、±1.2mT、±8Gs、±4Gs LGA-12(2x2) 3D Magnetic Sensors ROHSSTMicroelectronics3D Magnetic Sensors
MS5611-01BA03
QFN-8(3x5)QFN-8(3x5) Pressure Sensors ROHSMEASPressure SensorsPJS008-4100-0-VE
-3.1mm MicroSD Card (TF Card) Push-Pull - SD Card / Memory Card Connector ROHSYamaichi ElectronicsSD Card / Memory Card Connector
ADXL355BEZ
LCC-14(6x6)-40℃~+125℃ 2.25V~3.6V 20bit 21uA Accelerometer SPI、I2C X,Y,Z ±8g 过量程保护功能 LCC-14(6x6) Accelerometers ROHSAnalog DevicesAccelerometers
BNO086
TFLGA-28TFLGA-28 Accelerometers ROHSCEVAAccelerometers
ECMF02-2AMX6
UFQFN-6(1.5x1.7)-40℃~+85℃ 2 2.5Ω 200mA UFQFN-6(1.5x1.7) Common Mode Filters ROHSSTMicroelectronicsCommon Mode FiltersKX134-1211
LGA-12(2x2)16bit Accelerometer I2C X,Y,Z ±8g 运动事件检测 LGA-12(2x2) Accelerometers ROHSROHM SemiconductorAccelerometers
MCP251863-E/SS
SSOP-28-208mil-40℃~+150℃ 2.7V~5.5V 20mA 5Mbps CAN FD Controller SPI SSOP-28-208mil CAN Controllers ROHSMicrochip TechnologyCAN Controllers
RFM96W-433S2
LCC-16_16X16mmLCC-16_16X16mm New Arrivals ROHSHOPE MICROELECTRONICSUncategorised
BZT52H-A5V1-QX
SOD-123F2uA@2V SOD-123F Zener Diodes ROHSNexperiaZener Diodes
README
boards/Feather_Duo/README.mdFeather Duo
The Feather Duo radio receiver was conceived to optimize communication with MIDAS and simplify the team’s ground station setup, including two LoRa radios for concurrent reception from both stages and software support for increased data rates. It succeeds the Adafruit Feather M0 RFM96 as the team’s primary ground station receiver.
Read more about the Feather Duo, MIDAS and the surrounding avionics systems in the MIDAS MK2 Report.
Schematics
Printable PDF schematics and layouts for the Feather Duo can be found in the PDFs and images folders.
Photos
Parts
221| Qty | Value | Footprint | References |
|---|---|---|---|
| 30 | 0.1uF | Capacitor_SMD:C_0603_1608Metric | C101, C102, C104, C105, C109, C112, C114, C117, C119, C121, C123, C125, C127, C129, C131, C133 +14 |
| 14 | TestPoint_Small | TestPoint:TestPoint_Pad_D1.0mm | TP101, TP102, TP103, TP104, TP105, TP106, TP107, TP108, TP109, TP110, TP111, TP112, TP113, TP114 |
| 13 | 10k | Resistor_SMD:R_0603_1608Metric | R101, R102, R103, R104, R105, R106, R122, R123, R209, R210, R221, R222, R501 |
| 12 | 1uF | Capacitor_SMD:C_0603_1608Metric | C103, C108, C110, C111, C115, C201, C301, C501, C503, C505, C509, C516 |
| 9 | 2.2uF | Capacitor_SMD:C_0603_1608Metric | C116, C118, C120, C122, C124, C126, C128, C130, C132 |
| 9 | 22uF | Capacitor_SMD:C_0603_1608Metric | C113, C308, C309, C310, C311, C312, C313, C314, C315 |
| 8 | 1k | Resistor_SMD:R_0603_1608Metric | R205, R206, R207, R208, R217, R218, R219, R220 |
| 8 | 3.3k | Resistor_SMD:R_0603_1608Metric | R201, R202, R203, R204, R213, R214, R215, R216 |
| 5 | 10uF | Capacitor_SMD:C_0603_1608Metric | C304, C305, C306, C307, C402 |
| 5 | 50k | Resistor_SMD:R_0603_1608Metric | R109, R110, R111, R114, R115 |
| 5 | DMNH6022SSDQ | Package_SO:SO-8_3.9x4.9mm_P1.27mm | Q201, Q202, Q203, Q204, Q205 |
| 4 | 22k | Resistor_SMD:R_0603_1608Metric | R211, R212, R223, R224 |
| 4 | 30k | Resistor_SMD:R_0603_1608Metric | R313, R314, R315, R316 |
| 4 | 470 | Resistor_SMD:R_0603_1608Metric | R124, R125, R126, R127 |
| 4 | 5k | Resistor_SMD:R_0603_1608Metric | R302, R304, R306, R308 |
| 4 | M2 | MountingHole:MountingHole_2.2mm_M2_Pad_Via | H101, H102, H103, H104 |
| 3 | 100k | Resistor_SMD:R_0603_1608Metric | R107, R118, R120 |
| 3 | 220k | Resistor_SMD:R_0603_1608Metric | R119, R121, R318 |
| 3 | 56pF | Capacitor_SMD:C_0603_1608Metric | C405, C406, C407 |
| 3 | TCAL9539-Q1 | Package_DFN_QFN:WQFN-24-1EP_4x4mm_P0.5mm_EP2.6x2.6mm | U101, U102, U103 |
| 2 | 100nF | Capacitor_SMD:C_0603_1608Metric | C517, C518 |
| 2 | 18pF | Capacitor_SMD:C_0603_1608Metric | C106, C107 |
| 2 | 2.2k | Resistor_SMD:R_0603_1608Metric | R502, R503 |
| 2 | 2.2uH | Inductor_TDK:L_TDK_SPM6530 | L301, L302 |
| 2 | 20k | Resistor_SMD:R_0603_1608Metric | R311, R312 |
| 2 | 22 | Resistor_SMD:R_0603_1608Metric | R112, R113 |
| 2 | BZT52H-A5V1-QX | Diode_SMD:D_SOD-123F | D302, D303 |
| 2 | Conn_01x02 | Connector_PinSocket_2.54mm:PinSocket_1x02_P2.54mm_Vertical | J101, J102 |
| 2 | SMA | Connector_Coax:SMA_Molex_732511153_EdgeMount_Horizontal | J401, J402 |
| 2 | SW_Push | Button_Switch_SMD:SW_SPST_FSMSM | SW101, SW102 |
| 2 | TI_TPS566242DRLR | Package_TO_SOT_SMD:SOT-563 | U302, U303 |
| 1 | 0 | Resistor_SMD:R_0603_1608Metric | R309 |
| 1 | 10K | Resistor_SMD:R_0603_1608Metric | R128 |
| 1 | 120 | Resistor_SMD:R_0603_1608Metric | R117 |
| 1 | 120pF | Capacitor_SMD:C_0603_1608Metric | C404 |
| 1 | 135k | Resistor_SMD:R_0603_1608Metric | R317 |
| 1 | 140pF | Capacitor_SMD:C_0603_1608Metric | C401 |
| 1 | 18.7k | Resistor_SMD:R_0603_1608Metric | R310 |
| 1 | 1nF | Capacitor_SMD:C_0603_1608Metric | C403 |
| 1 | 2157601003 | Connector_Molex_Micro-Fit-Plus:Molex_Micro-Fit-Plus_2157601003_1x03_P3.0mm | J107 |
| 1 | 23.3k | Resistor_SMD:R_0603_1608Metric | R303 |
| 1 | 27nH | Inductor_SMD:L_0603_1608Metric | L402 |
| 1 | 40MHz | Crystal:Crystal_SMD_Abracon_ABM10-4Pin_2.5x2.0mm | Y101 |
| 1 | 44k | Resistor_SMD:R_0603_1608Metric | R305 |
| 1 | 5.6nH | Inductor_SMD:L_0603_1608Metric | L401 |
| 1 | 50 | Resistor_SMD:R_0603_1608Metric | R116 |
| 1 | 65k | Resistor_SMD:R_0603_1608Metric | R307 |
| 1 | 7.3k | Resistor_SMD:R_0603_1608Metric | R301 |
| 1 | ADS7138-Q1 | Package_DFN_QFN:WQFN-16-1EP_3x3mm_P0.5mm_EP1.68x1.68mm | U105 |
| 1 | ADXL355 | Sensor_Motion_Analog:Analog_LGA_14-7.4x7.4mm | U502 |
| 1 | AT-0927-TT-6-R | Buzzer:Buzzer_AT-0927-TT-6-R | BZ101 |
| 1 | B4327 | RF_Filter_Qualcomm:SMD-5 | FL401 |
| 1 | BGA725L6 | RF_Amplifier_Infineon:TSNP-6-2 | U402 |
| 1 | BLUE LED | LED_SMD:LED_0603_1608Metric | D104 |
| 1 | BNO086 | Package_LGA:LGA-28_5.2x3.8mm_P0.5mm | U504 |
| 1 | Conn_01x02 | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J109 |
| 1 | D | Diode_SMD:D_0603_1608Metric | D301 |
| 1 | ECMF02-2AMX6 | Package_DFN_QFN:ST_UQFN-6L_1.5x1.7mm_P0.5mm | U108 |
| 1 | ESP32-S3-WROOM-1U | MCU_ESP32:ESP32-S3-WROOM-1U | U107 |
| 1 | GREEN LED | LED_SMD:LED_0603_1608Metric | D103 |
| 1 | KX134-1211 | Package_LGA:LGA-12_2x2mm_P0.5mm | U501 |
| 1 | LIS3MDL | Package_LGA:LGA-12_2x2mm_P0.5mm | U505 |
| 1 | LM74670-Q1 | Package_SO:VSSOP-8_3.0x3.0mm_P0.65mm | U201 |
| 1 | LSM6DSLTR | Package_LGA:Bosch_LGA-14_3x2.5mm_P0.5mm | U503 |
| 1 | Left | Connector_Molex_Terminal-Block:Molex_Terminal-Block_393570010_1x10_P3.5mm | J103 |
| 1 | MCP251863 | Package_SSOP:SSOP-28 | U104 |
| 1 | MS5611-01BA03 | Package_LGA:LGA-8_3x5mm_P1.25mm | U506 |
| 1 | MTFCxxxx | Package_TFBGA:TFBGA-153_11.5x13mm | U106 |
| 1 | ORANGE LED | LED_SMD:LED_0603_1608Metric | D102 |
| 1 | PJS008-4100-0-VE | Connector_Yamaichi:PJS008-4100-0-VE | J108 |
| 1 | RED LED | LED_SMD:LED_0603_1608Metric | D101 |
| 1 | RFM96W-433S2 | RF_Module:HOPERF_RFM9XW_SMD | U401 |
| 1 | Right | Connector_Molex_Terminal-Block:Molex_Terminal-Block_393570010_1x10_P3.5mm | J105 |
| 1 | TBD | Resistor_SMD:R_0603_1608Metric | R108 |
| 1 | TPS2121 | Package_VQFN:VQFN-HR-RUX0012A | U301 |
| 1 | Teseo-LIV3R | RF_GPS_ST:Teseo-LIV3R | U403 |
| 1 | TestPoint | TestPoint:TestPoint_THTPad_D1.0mm_Drill0.5mm | J301 |
| 1 | USB4105-GF-A | Connector_USB:USB_C_Receptacle_GCT_USB4105-xx-A_16P_TopMnt_Horizontal | J106 |
| 1 | ~ | Connector_JST:JST_PH_B3B-PH-K_1x03_P2.00mm_Vertical | J104 |
| 1 | ~ | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J110 |
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Questions
How big is the MIDAS MK1 PCB?
It measures 60 × 100 mm and has 4 copper layers, 1.6 mm thick.
What parts does the MIDAS MK1 use?
221 parts, built around the ESP32-S3-WROOM-1U-N4, TESEO-LIV3R, LIS3MDL and MS5611-01BA03. 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 MIDAS MK1 KiCad files?
From the ISSUIUC/ISS-PCB repository on GitHub, at the commit this page was made from: the board is boards/MIDAS-MK1/MIDAS-MK1-revA/MIDAS-MK1.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the MIDAS MK1 design in my own project?
Its repository states no licence, so its author keeps all rights: ask ISSUIUC before reusing the design.