Difference between revisions of "EzUHF radio control system"

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The ImmersionRC EzUHF is a 433MHz wireless control system. Suitable for long range and critical remote control situations.
The ImmersionRC EzUHF is a 433MHz wireless control system. Suitable for long range and critical remote control situations.
* [http://www.immersionrc.com/EzUHF.htm ImmersionRC EzUHF product page]


== EzUHF transmitter ==
== EzUHF transmitter ==
Line 5: Line 7:
* Transmitter ID: 985
* Transmitter ID: 985
* Stock firmware version: 1.25a (6)
* Stock firmware version: 1.25a (6)
* Frequency band selected: 431-433MHz
* Upgraded firmware version:
* Frequency band selected: 436-438MHz


== EzUHF receiver ==
== EzUHF receiver ==
* Purchase date: 2012-08-22
* Purchase date: 2012-08-22
* Channels: 8
* Diversity: two dipole antennas
* Stock firmware version: 1.24 (6)
* Stock firmware version: 1.24 (6)
* Frequency band selected: 431-433MHz
* Upgraded firmware version: 1.25a (6)
* Frequency band selected: 436-438MHz


== Spectrum Norway ==
== Spectrum Norway ==
Line 30: Line 36:


[[Image:ezuhf_spectrum_analyzer.png|400px]]
[[Image:ezuhf_spectrum_analyzer.png|400px]]
== Firmware upgrade ==
The firmware upgrade process is simple and recommended to keep the units up-to-date. Make sure to test the units properly after upgrading the firmware to find any new quirks.
Transmitter:
# Remove the antenna, switch the power switch to High and hold the pushbutton
# Plug in the USB cable and install the new Immersion RC Custom USB Device driver
# The red LED should start blinking
# In the IRC tool, the Update Firmware button should now be activated, uncheck Preserve Configuration for a full restore
# Pick the correct .fw-receiver firmware (Tx500) and upload the code, should take about 10-20 seconds
# Mount the antenna and re-plug the USB cable to load the new firmware, configure it using the IRC tool
# Lastly, enter firmware mode again and hit Fix Fuses to make sure everything is set up
Receiver:
# Hold the pushbutton next to the servo-headers using a plastic tool
# Plug in the USB cable and install the new Immersion RC Custom USB Device driver
# The red LED should start blinking
# In the IRC tool, the Update Firmware button should now be activated, uncheck Preserve Configuration for a full restore
# Pick the correct .fw-receiver firmware (Rx8ch) and upload the code, should take about 10-20 seconds
# Unplug the USB cable and re-insert it to load the new firmware, configure it using the IRC tool
# Re-bind the receiver with the transmitter
# Lastly, enter firmware mode again and hit Fix Fuses to make sure everything is set up


== References ==
== References ==
* [http://flitetest.com/articles/Long_Range_Systems Long Range System review]
* [http://flitetest.com/articles/Long_Range_Systems Long Range System review]

Revision as of 17:46, 30 August 2012

The ImmersionRC EzUHF is a 433MHz wireless control system. Suitable for long range and critical remote control situations.

EzUHF transmitter

  • Purchase date: 2012-08-22
  • Transmitter ID: 985
  • Stock firmware version: 1.25a (6)
  • Upgraded firmware version:
  • Frequency band selected: 436-438MHz

EzUHF receiver

  • Purchase date: 2012-08-22
  • Channels: 8
  • Diversity: two dipole antennas
  • Stock firmware version: 1.24 (6)
  • Upgraded firmware version: 1.25a (6)
  • Frequency band selected: 436-438MHz

Spectrum Norway

The spectrum space in Norway follows most of the European line of distribution. The entire 430-438MHz band is dedicated for amateur use.

Equipment

File:Ezuhf boxes.jpg

Content:

  • all needed

Drivers

The driver install is not straight forward, at least not on Windows XP. The USB driver failed to install and a manual driver update had to be done, poin the path to c:\Program Files\ImmersionRC\ImmersionRCTools.

Software

The ImmersionRC software is quite good and fairly straightforward. The receiver tab include a simplified spectrum analyzer, very useful to determine if the RF environment.

Ezuhf spectrum analyzer.png

Firmware upgrade

The firmware upgrade process is simple and recommended to keep the units up-to-date. Make sure to test the units properly after upgrading the firmware to find any new quirks.

Transmitter:

  1. Remove the antenna, switch the power switch to High and hold the pushbutton
  2. Plug in the USB cable and install the new Immersion RC Custom USB Device driver
  3. The red LED should start blinking
  4. In the IRC tool, the Update Firmware button should now be activated, uncheck Preserve Configuration for a full restore
  5. Pick the correct .fw-receiver firmware (Tx500) and upload the code, should take about 10-20 seconds
  6. Mount the antenna and re-plug the USB cable to load the new firmware, configure it using the IRC tool
  7. Lastly, enter firmware mode again and hit Fix Fuses to make sure everything is set up

Receiver:

  1. Hold the pushbutton next to the servo-headers using a plastic tool
  2. Plug in the USB cable and install the new Immersion RC Custom USB Device driver
  3. The red LED should start blinking
  4. In the IRC tool, the Update Firmware button should now be activated, uncheck Preserve Configuration for a full restore
  5. Pick the correct .fw-receiver firmware (Rx8ch) and upload the code, should take about 10-20 seconds
  6. Unplug the USB cable and re-insert it to load the new firmware, configure it using the IRC tool
  7. Re-bind the receiver with the transmitter
  8. Lastly, enter firmware mode again and hit Fix Fuses to make sure everything is set up

References