2 layers53.9 × 29.7 mm
Wind transmitter
pypilot/pypilot_mfd
lcd display for various types of marine data including nmea0183, signalk and pypilot
43 parts4
2 layers115.8 × 85.9 mm
Pypilot mfd
pypilot/pypilot_mfd4lcd display for various types of marine data including nmea0183, signalk and pypilot
- Size
- 115.8 × 85.9 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 103
- Nets
- 114
- Pads
- 386
- Tracks, vias
- 1,124, 140
- Pours
- 9
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 28 Mar 2024
- Updated
- 23 Mar 2026
Overview
Pypilot mfd is an open-source printed circuit board by pypilot, from the pypilot/pypilot_mfd repository on GitHub. It is a 2-layer board of 115.8 × 85.9 mm with 103 parts on 114 nets, routed with 1,124 tracks and 140 vias.
It is built around the ESP32-WROOM-32D, CH340G and LIS2DE12, with the 24LC512-I/P, 74AHC04D and AMS1117-3.3 among its other parts. Its parts include 38 resistors, 31 capacitors, 12 ICs, 6 transistors and 6 connectors. It belongs with the lEDs and displays boards and the ESP32 boards of this library.
Main components
8
ESP32-WROOM-32D
-- WiFi Modules ROHSEspressif SystemsWiFi Modules
CH340G
SOP-16-40℃~+85℃ 2Mbps 3.3V、5V USB 2.0 USB to UART SOP-16 USB Converters ROHSWCH (Nanjing Qinheng Microelectronics)USB Converters
LIS2DE12
LGA-12(2x2)-40℃~+85℃ 1.71V~3.6V 500nA 8bit Accelerometer SPI、I2C X,Y,Z ±16g LGA-12(2x2) Accelerometers ROHSSTMicroelectronicsAccelerometers
24LC512-I/P
PDIP-8-300mil-40℃~+85℃ 1,000,000 cycles 2.5V~5.5V 200 Years 400kHz 512Kbit 5ms Hardware write protection function、Noise suppression function I2C PDIP-8-300mil EEPROM ROHSMicrochip TechnologyEEPROM
74AHC04D
SOIC-14-40℃~+125℃ 1 1.5V~3.85V 1.9V、2.9V、4.4V 2V~5.5V 2uA 500mV~1.65V 6 7.5ns@5V,50pF 74AHC 8mA 8mA SOIC-14 Inverters ROHSNexperiaInverters
AMS1117-3.3
SOT-223-40℃~+125℃ 0.003%Vout 1 1.1V@(800mA) 15V 1A 3.3V 5mA 72dB@(120Hz) Fixed Over Current Protection、Short Circuit Protection、Thermal shutdown Positive SOT-223 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSAdvanced Monolithic SystemsVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
SN65220DBV
SOT-23-6-40℃~+85℃ 1 1uA 35pF 6V 7V 7V IEC 61000-4-2 TVS SOT-23-6 ESD and Surge Protection (TVS/ESD) ROHSTexas InstrumentsESD And Surge Protection (TVS/ESD)
SM712
SOT-23-55℃~+125℃ 12A 16V、26V 1uA、2uA 2 300W 7.5V、13.5V 75pF 7V、12V Bidirectional ESD IEC 61000-4-2、IEC 61000-4-5 SOT-23 ESD and Surge Protection (TVS/ESD) ROHShongjiachengESD And Surge Protection (TVS/ESD)
README
README.mdThis repository contains code for an open source multifunction marine display.
The data formats currently are nmea0183, signalK, and direct communication to pypilot.
It supports zeroconf (mDNS) to detect pypilot and signalk servers. There is support for wifi, usb (serial port) and nmea0183 (rs422) communications.
The esp32s3 can drive high resolution (800x480) RGB parallel dayligth visible lcd.
A standard esp32 can be used for monochrome displays eg: jlx256160
3d printed enclosures may be waterproofed by treating (100% infill and soaking with dichtol) (FDM) or by printing with SLA/SLS. The plexiglass cover is sealed with a rubber oring tested submerged under water for prolonged periods.
Wireless sensors are implemented specifically:
- 3d printed wind sensors using ceramic bearings and hall effect sensors (non contact) Multiple wind sensors can be used mounted in different locations on the boat, and the sensors can compensate motion using inertial sensors.
- pressure, humidity and air quality sensors (bme680)
- lightning, uv and visible light sensors
- (planned but not fully implemented) sonar for depth, water speed, water temperature.
Parts
103| Qty | Value | Footprint | References |
|---|---|---|---|
| 10 | 1.2k | Resistor_SMD:R_0805_2012Metric | R3, R4, R5, R8, R9, R19, R20, R22, R33, R36 |
| 10 | 10uF | Capacitor_SMD:C_1206_3216Metric | C1, C6, C9, C10, C19, C21, C24, C25, C28, C31 |
| 8 | .1uF | Capacitor_SMD:C_0805_2012Metric | C2, C3, C5, C7, C8, C12, C20, C22 |
| 7 | 100k | Resistor_SMD:R_0805_2012Metric | R1, R21, R28, R30, R31, R34, R35 |
| 7 | 100n | Capacitor_SMD:C_0805_2012Metric | C11, C14, C17, C18, C23, C26, C27 |
| 6 | 10k | Resistor_SMD:R_0805_2012Metric | R10, R11, R13, R16, R18, R32 |
| 4 | 4.7k | Resistor_SMD:R_0805_2012Metric | R23, R24, R25, R26 |
| 4 | Q_PMOS_GSD | pypilot_footprints:SOT-23_180 | Q1, Q2, Q3, Q5 |
| 2 | 10n | Capacitor_SMD:C_0805_2012Metric | C15, C16 |
| 2 | 1uF | Capacitor_SMD:C_0805_2012Metric | C29, C30 |
| 2 | 2.4k | Resistor_SMD:R_0805_2012Metric | R14, R15 |
| 2 | 22k | Resistor_SMD:R_0805_2012Metric | R27, R29 |
| 2 | 22pF | Capacitor_SMD:C_0805_2012Metric | C4, C13 |
| 2 | 4.7 | Resistor_SMD:R_0805_2012Metric | R37, R38 |
| 2 | Conn_01x02 | pypilot_mfd_footprints:PinHeader_1x02_P2.54mm_Vertical | J3, J4 |
| 2 | Jumper | Jumper:SolderJumper-2_P1.3mm_Open_TrianglePad1.0x1.5mm | JP1, JP2 |
| 2 | LIS2DE12 | pypilot_mfd_footprints:LGA-12_2x2mm_P0.5mm | U6, U9 |
| 2 | Q_NMOS_GSD | pypilot_footprints:SOT-23_180 | Q4, Q6 |
| 2 | SM712 | pypilot_footprints:SOT-23_180 | D4, D5 |
| 2 | usb | pypilot_footprints:USB_C_Receptacle_Palconn_UTC16-G | J1, J6 |
| 1 | 12mhz | Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm | Y1 |
| 1 | 1k | Resistor_SMD:R_0805_2012Metric | R7 |
| 1 | 20k | Resistor_SMD:R_0805_2012Metric | R2 |
| 1 | 22 | Resistor_SMD:R_0805_2012Metric | R12 |
| 1 | 24LC512 | pypilot_footprints:SOIC-8_3.9x4.9mm_P1.27mm | U10 |
| 1 | 4.7uH | Inductor_SMD:L_Sunlord_MWSA0518_5.4x5.2mm | L1 |
| 1 | 51k | Resistor_SMD:R_0805_2012Metric | R6 |
| 1 | 74AHC04 | pypilot_footprints:SOT-23-6_180 | U7 |
| 1 | ADM2587E | pypilot_footprints:SOIC-20W_7.5x12.8mm_P1.27mm | U5 |
| 1 | AMS1117-3.3 | pypilot_footprints:SOT-223-3_TabPin2_180 | U2 |
| 1 | AP2127K-ADJ | Package_TO_SOT_SMD:SOT-23-5 | U12 |
| 1 | BUZZER-freetronics_schematic | pypilot_mfd_footprints:PUIAudio_SMT_0825_S_4_R_90 | U8 |
| 1 | CH340G | pypilot_footprints:SOIC-16_3.9x9.9mm_P1.27mm_90 | U1 |
| 1 | ESP32-WROOM-32D | RF_Module:ESP32-WROOM-32 | U3 |
| 1 | LED2 | LED_SMD:LED_0805_2012Metric | D2 |
| 1 | LED3 | LED_SMD:LED_0805_2012Metric | D3 |
| 1 | LMR50410 | pypilot_footprints:SOT-23-6_180 | U11 |
| 1 | NTC | Resistor_SMD:R_0805_2012Metric | TH1 |
| 1 | R_PHOTO | pypilot_footprints:R_LDR_4.9x4.2mm_P2.54mm_Vertical | R17 |
| 1 | SN65220 | Package_TO_SOT_SMD:SOT-23-6 | U4 |
| 1 | TVS | pypilot_mfd_footprints:DO-214AC | TVS1 |
| 1 | jlx256160 | pypilot_mfd_footprints:PinHeader_1x14_P2.54mm_Vertical | J5 |
| 1 | keypad | pypilot_mfd_footprints:PinHeader_1x06_P2.54mm_Horizontal | J2 |
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Questions
How big is the Pypilot mfd PCB?
It measures 115.8 × 85.9 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Pypilot mfd use?
103 parts, built around the ESP32-WROOM-32D, CH340G, LIS2DE12 and 24LC512-I/P. 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 Pypilot mfd KiCad files?
From the pypilot/pypilot_mfd repository on GitHub, at the commit this page was made from: the board is schematic/pypilot_mfd.kicad_pcb and its schematic schematic/ideal_diode+.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Pypilot mfd design in my own project?
Its repository states no licence, so its author keeps all rights: ask pypilot before reusing the design.