RFXCOM RFXtrxWifi User manual

Copyright, RFXCOM 2022 RFXtrxWifi/USB User Guide Rev. 0.2 page 1 / 10
RFXtrxWifi / RFXtrxUSB
User Guide
www.rfxcom.com

Copyright, RFXCOM 2022 RFXtrxWifi/USB User Guide Rev. 0.2 page 2 / 10
Table of Contents
1. Introduction....................................................................................................................................... 3
2. Contents of the kit. ........................................................................................................................... 3
3. USB drivers ...................................................................................................................................... 3
4. Install the transceiver. ...................................................................................................................... 4
4.1. RFM69 ..................................................................................................................................... 4
4.2. RFM95 ..................................................................................................................................... 4
5. Configure the RFXtrxWifi.................................................................................................................. 5
6. Restore Wifi settings ........................................................................................................................ 6
7. Configure the transceiver ................................................................................................................. 6
8. Update the RFXtrx transceiver firmware .......................................................................................... 7
9. Flash the ESP32 firmware................................................................................................................ 9
10. Warning: .................................................................................................................................... 10
11. License ...................................................................................................................................... 10
12. Copyright notice......................................................................................................................... 10
13. Revision History......................................................................................................................... 10

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1. Introduction
The RFXtrxWifi can have the RFM69 433/868MHz) or RFM95 (868MHz) transceiver installed by the
user. See the chapter “Install the transceiver” below.
An ESP32 is used for the Wifi TCP/IP connection. Open-source firmware is available.
A microcontroller is used for the RFXtrx firmware. The interface over USB and TCP/IP is the same as
the USB RFXtrx versions.
TCP/IP access is using port 10001
Important: The USB connection of the RFXtrxWifi is only used to flash the ESP32.
A 500mA USB connection can be used to power the RFXtrxWifi or a 5V DC 1A power supply can be
used.
The RFXtrxWifi can have 2 applications connected at the same time, for example Domoticz and
RFXmngr or Homeseer and Home Assistant.
2. Contents of the kit.
1 RFXtrxWifi PCB or RFXtrxUSB PCB
1 RFX69 with PTF (push-to-fit) connectors
1 enclosure
4 screws
1 USB Cable
For the RFXtrxWifi: 1 power supply DC 5V 1A
3. USB drivers
The CP2102N USB-serial chip is used. The drivers are available at:
https://www.silabs.com/developers/usb-to-uart-bridge-vcp-drivers?tab=downloads

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4. Install the transceiver.
The RFXtrxWifi and RFXtrxUSB can be equipped with the RFX69 transceiver module.
This RFX module must be inserted in the RFXtrxWifi / RFXtrxUSB PCB if the RFM module has a
Push-To-Fit (PTF) connector. Push the module in the connector holes on the component side. The
RFM69 module has on one side 8 pins and 7 pins on the other side to avoid wrong installation.
4.1. RFX69
The RFX69 is a RFM69 with PTF connector. At this moment only 868MHz is used with RFXtrx868XL
firmware.
RFXtrx433XXL firmware for the RFX69-433MHz is not yet available.
RFXtrx868XL firmware for the RFX69-868MHz is available and supports:
Protocol Protocol receive transmit
Alecto ACH2010 Alecto ACH2010 Y -
Alecto WS5500, FineOffset WH2900,
Ventus W830 Alecto WS5500 Y -
Davis Vantage Vue EU * Davis EU Y -
Edisio Edisio Y Y
FS20
FS20
Y
Y
Itho CVE RFT Itho CVE RFT - Y
Itho CVE ECO RFT Itho CVE ECO RFT Y Y
Keeloq (unencrypted part only) Keeloq Y Y
Orcon Orcon Y Y
Visonic CodeSecure (unencrypted part only) Visonic Y -
Visonic PowerCode Visonic Y -
* based on information available at: wxforum.net – “Implementing a Si1000 based wireless receiver for
Davis ISS data” and madscientistlabs.blogspot.com
Important: it is only possible to enable one protocol for receive in the RFXtrx868XL because of the
used transmission techniques at 868MHz.
4.2. RFX95
The RFXtrxWifi is prepared to hold the RFX95 transceiver.
RFX95 firmware is not yet available.

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5. Configure the RFXtrxWifi.
Connect the RFXtrxWifi to an USB or external 5V 1A power supply.
Open the Wifi network settings on your PC or mobile and connect the access point
RFXCOM WiFi Manager and use password: 12345678
Open a browser and open 192.168.4.1 and enter your Wifi credentials, SSID and password of your
Wifi network.
Optional enter a Local IP with Subnet Mask and Gateway, for example:
192.168.1.150
255.255.255.255.0
192.168.1.1
DHCP is used if no Local IP info is entered
Click Save and the RFXtrxWifi will restart and connect your Wifi.

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6. Restore Wifi settings
To reset the Wifi settings press the RESTORE button inside the RFXtrxWifi and configure the
RFXtrxWifi as described above.
7. Configure the transceiver
The transceiver can be tested and configured with the RFXmngr program.
For the RFXtrxWifi set the IP address of the RFXtrxWifi.and port 10001.
For the RFXtrxUSB select the correct USB port.
Select the protocols necessary for receive and click Set Mode followed by Save Settings.
There is no need to select protocols for transmit!
Note that you can only select 1 protocol for reception in the RFXtrx868XL.
The reason for this is because each protocol uses different frequencies and modulation!!!
RFXtrx433XXL settings:
RFXtrx868XL settings:

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8. Update the RFXtrx transceiver firmware
If required, the transceiver firmware can be updated with the RFXflash program version 10.0.0.0 or
higher.
Stop all connections with the transceiver and be sure that no other program connects the
transceiver during flash of the transceiver!
Start the RFXflash program.
For the RFXtrxWifi, select the IP address and select port 10001.
For the RFXtrxUSB select the COM port
Click the connect button:
Click the Open HEX file and select the correct firmware file.

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Click the Write device button. The firmware will be flashed in about one minute:
At the end of the flash proceure click the Normal Execution Mode button:
Test the RFXtrxWifi or RFXtrxUSB with RFXmngr.

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9. Flash the ESP32 firmware in the RFXtrxWifi
•Download the Arduino IDE to flash the ESP32 with new firmware.
https://www.arduino.cc/en/software
•In Arduino IDE:
Open File – Preferences and add at Additional boards manager URLs:
https://dl.espressif.com/dl/package_esp32_index.json
•Open Tools – Board: “xxxxxx” -Boards Manager
At BOARDS MANAGER enter ESP32 and INSTALL the latest version “esp32 by Espressif
Systems”.
•Select “ESP32 Dev Module” at Tools – Board: “xxxx” – esp32
•Select the COM port of the RFXtrxWifi at Tools – Port
•To know the Sketchbook location open File – Preferences – Settings.
Copy the RFXtrxWiFiTelnetToSerial directory to your Arduino sketch directory
RFXtrxWiFiTelnetToSerial directory contains:
HTML.h
RFXtrxWiFiTelnetToSerial.ino
WifiFunc.h
•Click the Upload button and the firmware will be compiled and flashed in the RFXtrxWifi
ESP32

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10. Warning:
•RF signals are possible disturbed, and it has not been justified for this equipment at uses in
circumstances where life-threatening or dangerous situations are possible.
•RFXCOM HARDWARE AND SOFTWARE IS NOT INTENDED FOR USE IN THE OPERATION
OF NUCLEAR FACILITIES, AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR
TRAFFIC CONTROL SYSTEMS, LIFE SUPPORT MACHINES OR OTHER EQUIPMENT IN
WHICH THE FAILURE OF THE SOFTWARE COULD LEAD TO DEATH, PERSONAL INJURY,
OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE.
11. License
•You are allowed to use RFXCOM software, protocols and Written Materials with RFXCOM
hardware only.
•All copyright and other proprietary notices associated with RFXCOM software, protocols and
Written Materials shall be visible to all users.
•You may not sell, distribute, loan, rent, lease, license, sublicense or otherwise assign or transfer
RFXCOM software or RFXtrx protocols or Written Materials unless expressly authorized in writing
by RFXCOM.
•You may not use any RFXCOM device, software or protocol as part of an exclusive or patented
product without the express prior written permission of RFXCOM.
•You may not alter, modify, adapt or create derivative works based on any part of RFXCOM
software or protocols or Written Materials in any way, including translating, reverse engineering,
disassembling or decompiling the software.
12. Copyright notice
•All RFXCOM hardware, software, protocols and Written Materials are protected by copyright laws,
and may not be reproduced, republished, distributed, transmitted, displayed, broadcast or
otherwise exploited in any manner without the express prior written permission of RFXCOM.
•Netherlands Copyright and international treaty provisions protect the SOFTWARE, HARDWARE,
RFXtrx protocols and Written Materials and shall be subject to the exclusive jurisdiction of the
Netherlands Courts
•RFXCOM reserves all rights not expressly granted herein.
13. Revision History
Version 0.0 November 15, 2022
Initial version
Version 0.1 November 16, 2022
USB driver added
RFX69-PTF picture added
Version 0.2 November 30, 2022
RFXtrxUSB added