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WomoNET.core Hardware

The WomoNET.core offers the perfect solution to make your motorhome smart.

Onboard Functionality

  • 512MB DDR3 RAM (NT5CC256M16ER-EK)
  • 8GB eMMC Storage (Samsung KLM8G1GETF-B041)
  • LSM6DS3 3D accelerometer and 3D gyroscope
  • 24AA02UID Type label
  • SD Card for expanding storage space
  • 3x USB-C 2.0 Ports (via USB2514B hub, e.g. for VE.Bus MK3 adapter)
  • 8x 1-Wire Inputs (via i2c: DS2482S-800)
  • 8-Channel ADC, divided into 4x tank monitoring, 4x analog inputs (via i2c: MAX11615)
  • 16-Channel Digital Inputs, divided into 2x tank monitoring (4-finger probes) and 8 universal digital inputs (via i2c: PCA9555APW)
  • Expansion Port with SPI, I2C and 4 user-definable port pins
  • Mini PCI-E Slot for LTE/5G modem

Interfaces

Port Overview

WomoNET.core - Top Side Ports
Top: USB (programming only), OneWire (J23), GPIO (J21), analog inputs (J20)
WomoNET.core - Left Side Ports
Left Side: Analog (J16-J19) and digital tank sensors (J15), USB-C, SIM card
WomoNET.core - Right Side Ports
Right Side: microSD card, Ethernet (J4), T1S (J2, J3), power supply (J1)
WomoNET.core - Bottom Side Ports
Bottom: LIN ports (J10, J11), VE.Direct (J7, J8, J9), RS485 (J6), CAN-Bus (J5)
SocketInterfaceDescriptionConnectorCompatible Devices
J1Power10-36V DC input, 2-3W max power requirementMolex Mini-Fit Jr. 39-01-4020-
J2, J3BASE10-T1S (SPE)Single Pair Ethernet (SPE) for WomoNET networkTyco Electronic Micro-Fit 43025-0400WomoNET.power
J4LAN 100MBit/sConnection to internet and control via appRJ45-
J5CAN FD ISO 11898Connection to CAN bus devices, such as heaters or base vehicleTyco Electronic Micro-Fit 43025-0600Timberline
J6RS485Up to 10Mbps RS-485/RS-422 portTyco Electronic Micro-Fit 43645-0400Nordelectronika
J7, J8, J9Serial Port (UART)3x Isolated, up to 10Mbps serial port, VE.Direct compatibleJST PH-2.0, compatible with official VE.Direct cablesVictron Energy Devices:
- Smart/BlueSolar
- SmartShunt
- Phoenix Inverter
- BMV7xx

Autoterm 2/4D Heater
Webasto (via adapter)
China Diesel Heater
J10, J11, J12, J13LINInterface for LIN bus compatible devices (Caravan LIN, Truma LIN)Tyco Electronic Micro-Fit 43025-0200Truma Combi Series
Schaudt EBL
Schaudt EBL e-SmartWave
Thitronik
Wentronic
Dometic FreshJet Series
Dometic Refrigerators
J14, J15Digital InputDigital inputs for 4/5-way tank sensors or other peripheralsTyco Electronic Micro-Fit 43645-0500Tank sensors from Schaudt and CBE
J16, J17, J18, J19Analog InputAnalog inputs for tank sensors or other peripherals (0-3V). Integrated 12V power supply pins.Tyco Electronic Micro-Fit 43645-0300Votronic 12-24 K/15-50 K

Port Mapping

The ports are integrated into the Linux system as follows:

ConnectorPortMount
J7 (VE.Direct)USART2/dev/ttySTM4
J8 (VE.Direct)UART4/dev/ttySTM5
J9 (VE.Direct)UART7/dev/ttySTM7
J13/J14 (LIN1, master by default)UART1/dev/ttySTM1
J11/J12 (LIN2, slave by default)UART3/dev/ttySTM3
J6 (RS485)UART8/dev/ttySTM2
J5 (CAN)CAN 1 and 2Network devices can0 and can1

All product and company names, brand names, and trademarks are the property of their respective owners. They are used on this site solely to identify the respective products for compatibility and integration purposes. Their use does not imply any affiliation with, sponsorship by, or endorsement by the respective trademark holders. WomoNET is an independent project and is not affiliated with any of the listed manufacturers.