Walkera Devo 7E Unboxing

Devo_7e_1

The Walkera Devo 7E is a smaller size transmitter (Tx) for flying r/c helicopters, multirotors and air planes. Being that it is not a full size transmitter, it is great for people with smaller hands (kids and ladies), but I actually prefer the smaller size myself. I’m a big guy and I fell comfortable holding it. I purchased a mode 2 Devo 7E from banggood.com. The transmitter is 145 mm tall (not counting antenna, 155 mm wide and 44 mm deep.

What’s In the Box

In the box, you will find the devo 7E, an instruction manual on a CD-ROM, the Micro USB cable and the cord to connect 2 transmitters together for instructional flying.

Devo 7E BoxDevo 7E what's inside the boxDevo 7E Cables

Out of the box, it provides a full 7 channels:

  • Elevator
  • Aileron
  • Throttle
  • Rudder
  • Pitch
  • Gear (Throttle Hold switch)
  • Aux2(Flight Mode switch)

Downside of the Devo 7E is that it  is not a full powered transmitter, it has about 7 mW of output transmission power.  This can be remedied by adding modules or modifying the stock module. More on this later.

The Devo 7E has a very nice look and feel to it. It doesn’t feel cheap and feels very ergonomical.

Devo 7E front viewDevo 7E back viewDevo 7E top view

The sticks feel very smooth and are great on my thumbs (I am a thumb flyer).

Devo 7E throttle stick removed

The sticks are also replaceable, if you want to go with something custom or a different color. I was planning on getting some blue sticks. The the thread is 3M.

The screen is very good as well. It is easy to read, even in bright light. There is a backlight as well, for nighttime flying.

Devo 7E front screenDevo 7E booted up

The batteries go into the bottom of the Devo 7E.

Devo 7E battery compartment empty

Inside, you will find a battery tray for 4 x AA batteries.

Devo 7E battery tray

You can use normal AA bateries or you can use NiMh or NiCd rechargeables. I opted to use 4 x Amazon Basics High-Capacity NiMh batteries. Each battery can hold about 2400 mAh, so they should last a while in between charges. The connector, for the battery tray, is a JST connector, so you could also purchase a LiPo batery to use in this. I think that would be overkill, but if you already have one, why not.

You can also charge the batteries straight through the Transmitter. In the back, you will find a 8-12 Volt input, up to 200 mAh. So, if you already have one (like the ones that come with laptops), charging will be easy without having to pull out the batteries.
Devo 7E charge port and buddy port

On the back, you will also locate the buddy cord plug on the right. On the side of the Devo 7E, you will locate the micro USB port. This port can be used for flashing the Devo 7E with new firmware (or different firmware) and can also be used to fly flight simulators on your Pc or Mac.

Devo 7E micro USB port

Firmware

The stock firmware that comes with the DEvo 7E is very good. It provides you with up to 30 models that can be programmed. I am, however, not planning on using the stock firmware, as the main reason I purchased this transmitter, outside of the smaller size, is that it can handle DeviationTx firmware. DeviationTx will allow me to use this one transmitter to control all of my multirotor models (with addition of modules that I will be installing in another post) Here is a blurp from the DeviationTx site explaining more about the firmware:

Major features include:

  • Support for multiple protocols without any modifications to the transmitter:
    • Walkera DEVO
    • Walkera WK2401/WK2601/WK2801
    • Nine Eagles J6 Pro (requires telemetry module)
    • DSM2/DSMX
  • Support for other protocols with very easy transmitter modifications:
    • Flysky/Turnigy 9X
    • Hubsan-X4
    • Skyartec (thanks to the Skyartec folks for providing hardware for testing)
    • Hisky
    • Tactic SLT/Anylink
    • V202
    • Syma
    • Cheerson
    • …and more! See the Supported Models list for current protocols in the Nightly Builds.
  • Support for up to 255 different models in transmitter memory
  • Transmitter can act like a USB drive. Managing models, configuration, icons, and themes is as easy as copying a file… No more need to use the Walkera DfuSe tool for that.
  • Fully configurable themes including bitmaps, fonts, and colors (color models Devo 6/8/8S/12/12S)
  • Flexible transmitter configuration. Support up-to 12 channels on a Devo8; remap any switches or buttons to any purpose. Also Virtual Channels for additional functionality.
  • All text is localized. Available translations for Hungarian, German, French, Russian, Chinese, Italian, Romanian, Spanish, and Afrikaans. Adding a new translation is as easy as editing a text file, and copying it to the transmitter.

Conclusion

I am highly excited about this transmitter. The Devo 7E is a perfect size, can handle rechargeable batteries, can be used on flight simulators and supports DeviationTx to make it an all inclusive transmitter for a great price. Only downfall is that it is not a full powered transmitter and, to make it one, does require a very tricky modification to the stock module. But, with addition of other modules, you can easily fly pretty much any multirotor with this transmitter. m

Again, I picked mine up from Banggood.com, for around $60, but you can find this transmitter on Amazon or Ebay as well. It is a great value for the money and I look forward to using it to run all my quads (after a few more posts on how to install the needed modules). Stay tuned for more posts on the Devo 7E, as I make modifications to it to make it better/best transmitter you can have.

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